Climate Normals (1981-2010)
other states
Source: National Climatic Data Center
| Illinois Climate Normals (1981-2010) other states Source: National Climatic Data Center |
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
City: ALBERS 1 W
State: IL
ID: USC00110050
Lat: 38.5411
Long: -89.6289
County: Clinton
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.29 2.38 3.37 3.65 4.36 4.35 3.52 2.94 2.87 3.46 3.83 2.87 39.89
Snow 4.0 3.4 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.8 10.3
City: ALBION
State: IL
ID: USC00110055
Lat: 38.3778
Long: -88.0569
County: Edwards
Elev: 530 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.9 43.4 55.0 66.4 76.4 85.4 88.6 87.7 81.1 69.9 55.7 41.7 66.0
Mean 30.6 34.6 45.3 56.1 66.1 75.2 78.4 77.0 69.8 58.5 45.9 33.5 56.0
Minimum 22.4 25.7 35.5 45.9 55.9 65.0 68.1 66.4 58.5 47.0 36.1 25.3 46.1
CDD 0 <0.5 4 28 121 313 414 375 185 34 2 <0.5 1476
HDD 1065 852 616 294 85 7 <0.5 1 41 237 576 976 4751
City: ALEDO
State: IL
ID: USC00110072
Lat: 41.1961
Long: -90.7478
County: Mercer
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.9 34.5 47.6 61.5 71.5 80.6 83.9 82.1 75.3 63.0 48.1 33.4 59.4
Mean 21.5 25.7 37.3 49.6 60.2 70.0 73.4 71.7 63.8 51.8 38.8 25.5 49.2
Minimum 13.0 16.8 26.9 37.8 48.8 59.4 62.9 61.2 52.3 40.6 29.4 17.5 39.0
CDD 0 0 <0.5 7 44 178 264 217 80 8 <0.5 0 800
HDD 1350 1102 861 468 195 28 4 11 117 417 788 1226 6565
Precip 1.41 1.54 2.46 3.75 4.36 4.82 3.94 4.11 3.43 3.02 2.36 2.09 37.29
City: ALTON MELVIN PRICE L&D
State: IL
ID: USC00110137
Lat: 38.8661
Long: -90.1461
County: Madison
Elev: 435 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.7 44.3 54.6 66.7 75.9 84.8 88.9 87.7 80.7 68.8 56.1 42.9 66.0
Mean 31.4 35.3 45.2 56.6 66.3 75.6 79.7 78.2 70.6 58.8 47.3 34.9 56.7
Minimum 23.0 26.4 35.8 46.5 56.8 66.4 70.4 68.6 60.5 48.7 38.5 26.9 47.5
CDD 0 <0.5 5 29 116 324 454 408 203 33 3 <0.5 1576
HDD 1043 830 619 281 75 6 <0.5 1 35 227 534 933 4583
Precip 2.42 2.58 3.18 4.25 5.12 3.48 3.64 3.15 3.30 3.29 3.91 2.98 41.30
City: ALTONA
State: IL
ID: USC00110140
Lat: 41.1203
Long: -90.1644
County: Knox
Elev: 735 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.1 34.8 48.3 61.5 72.3 81.0 84.3 81.9 75.9 63.6 48.1 33.7 59.7
Mean 21.7 25.7 37.6 49.8 60.7 70.1 73.3 71.0 63.5 51.6 38.4 25.7 49.2
Minimum 13.3 16.5 26.9 38.1 49.1 59.1 62.3 60.1 51.1 39.6 28.7 17.6 38.6
CDD 0 0 <0.5 2 40 171 260 192 54 10 0 0 729
HDD 1342 1101 850 458 173 20 3 7 100 426 798 1219 6496
Precip 1.62 1.79 2.91 3.73 4.37 4.38 4.09 3.91 3.44 2.87 2.86 2.16 38.13
City: AMBOY
State: IL
ID: USC00110146
Lat: 41.7058
Long: -89.3367
County: Lee
Elev: 755 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.61 1.62 2.49 3.24 4.24 4.63 4.21 4.32 3.37 2.86 2.80 2.22 37.61
City: ANNA 2 NNE
State: IL
ID: USC00110187
Lat: 37.4814
Long: -89.2344
County: Union
Elev: 640 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 43.7 49.2 59.6 70.2 77.9 85.9 88.8 88.8 81.8 71.2 58.5 45.8 68.5
Mean 33.4 38.0 47.2 57.1 65.6 74.0 77.5 76.7 69.1 58.2 47.2 35.9 56.7
Minimum 23.0 26.7 34.8 44.1 53.3 62.0 66.2 64.5 56.3 45.2 35.9 26.1 44.9
CDD <0.5 <0.5 3 27 101 275 388 362 164 29 2 <0.5 1352
HDD 981 757 555 262 83 6 <0.5 1 43 240 536 900 4366
Precip 3.71 3.50 4.63 4.67 6.01 4.40 3.32 3.23 3.33 4.22 4.85 4.51 50.38
Snow 3.5 4.2 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.1 2.5 11.5
City: ANTIOCH
State: IL
ID: USC00110203
Lat: 42.4811
Long: -88.0994
County: Lake
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.0 33.0 43.8 57.1 68.1 78.0 82.1 80.6 73.3 60.9 46.8 33.1 57.3
Mean 21.5 25.2 35.3 47.3 57.7 67.7 72.3 71.0 63.4 50.9 39.0 25.9 48.2
Minimum 13.9 17.3 26.8 37.5 47.4 57.4 62.5 61.3 53.4 41.0 31.1 18.6 39.1
CDD 0 <0.5 <0.5 6 34 142 235 199 79 7 <0.5 0 702
HDD 1350 1116 921 537 259 61 9 15 129 443 782 1213 6833
Precip 1.60 1.48 2.09 3.21 4.24 4.71 3.57 4.08 3.54 3.09 2.75 2.32 36.68
Snow 12.7 9.8 6.1 1.5 0.0 0.0 0.0 0.0 0.0 0.0 1.5 11.1 42.7
City: ATHENS 2SW
State: IL
ID: USC00110306
Lat: 39.9467
Long: -89.7597
County: Menard
Elev: 590 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.4 39.5 51.4 64.2 73.6 81.6 83.4 83.5 77.2 65.1 52.7 38.1 62.2
Mean 26.1 30.3 40.8 52.7 62.4 71.2 73.8 73.0 65.2 53.8 43.1 29.7 51.9
Minimum 17.7 21.1 30.3 41.2 51.3 60.9 64.3 62.4 53.2 42.5 33.5 21.2 41.7
CDD 0 0 1 12 68 206 276 253 94 14 1 0 925
HDD 1207 971 750 382 147 18 2 7 88 361 658 1095 5687
Precip 1.92 1.95 2.61 3.76 4.39 4.22 4.17 3.48 3.09 3.06 3.37 2.62 38.64
City: AUGUSTA
State: IL
ID: USC00110330
Lat: 40.2378
Long: -90.9456
County: Hancock
Elev: 680 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.80 1.94 2.87 3.87 4.92 4.40 4.36 3.93 3.37 2.96 3.08 2.11 39.61
Snow 7.0 3.0 2.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 5.8 18.7
City: AURORA
State: IL
ID: USC00110338
Lat: 41.7806
Long: -88.3092
County: Kane
Elev: 660 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.3 35.0 46.8 60.0 70.9 80.3 83.9 81.7 75.0 62.3 47.7 33.8 59.1
Mean 23.1 27.5 38.2 50.2 60.5 70.1 74.3 72.5 64.9 52.6 40.1 27.0 50.2
Minimum 15.9 20.0 29.6 40.3 50.1 60.0 64.8 63.3 54.9 42.8 32.5 20.2 41.3
CDD 0 0 1 9 51 187 292 240 99 11 <0.5 0 890
HDD 1299 1050 831 454 191 33 3 8 100 397 747 1178 6291
Precip 1.68 1.72 2.37 3.62 4.01 4.22 3.90 4.07 3.59 3.07 3.24 2.20 37.69
Snow 7.8 6.8 2.5 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.8 8.6 27.1
City: AVON 5 NE
State: IL
ID: USC00110356
Lat: 40.7086
Long: -90.3628
County: Fulton
Elev: 640 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.6 35.9 49.0 62.9 73.1 81.6 84.7 83.6 77.0 64.8 50.1 36.3 61.0
Mean 23.0 27.1 38.2 51.0 61.5 70.9 73.9 72.6 64.7 52.9 40.4 27.9 50.4
Minimum 14.3 18.3 27.4 39.1 49.9 60.2 63.0 61.5 52.4 40.9 30.7 19.5 39.9
CDD 0 0 <0.5 6 44 188 275 240 64 5 0 0 822
HDD 1303 1061 831 426 152 11 1 7 74 381 738 1150 6134
Precip 1.64 1.54 2.61 3.63 4.34 4.20 4.38 3.64 3.52 2.89 2.71 1.98 37.08
Snow 7.1 5.9 2.4 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.7 6.9 23.6
City: BARRINGTON 3SW
State: IL
ID: USC00110442
Lat: 42.1153
Long: -88.1639
County: Cook
Elev: 875 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.2 33.2 44.0 57.4 68.1 77.5 81.5 79.3 72.2 60.0 46.6 32.5 56.8
Mean 20.6 25.0 35.2 47.5 57.8 67.6 72.1 70.2 62.3 50.3 38.4 25.2 47.8
Minimum 13.0 16.7 26.4 37.6 47.5 57.7 62.6 61.1 52.4 40.5 30.3 17.9 38.7
CDD 0 0 <0.5 7 32 136 228 179 62 5 <0.5 0 649
HDD 1376 1121 924 532 255 58 10 18 143 462 797 1234 6929
Precip 1.90 1.89 2.29 3.56 4.24 3.85 3.78 4.86 3.40 3.10 3.04 2.26 38.17
Snow 11.6 7.3 3.8 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.4 10.0 34.9
City: BEARDSTOWN
State: IL
ID: USC00110492
Lat: 40.0164
Long: -90.4278
County: Cass
Elev: 450 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.81 1.61 2.07 3.57 4.01 3.76 3.82 3.16 3.04 3.03 3.62 2.47 35.97
Snow 2.0 4.3 0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 3.3 10.7
City: BEECHER CITY
State: IL
ID: USC00110500
Lat: 39.1814
Long: -88.7831
County: Effingham
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.50 2.34 3.00 3.70 4.91 4.28 3.96 2.70 2.73 3.42 3.79 2.92 40.25
Snow 5.7 4.8 1.9 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 3.1 16.0
City: BELLEVILLE SIU RSCH
State: IL
ID: USW00013802
Lat: 38.5200
Long: -89.8467
County: St. Clair
Elev: 450 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.7 47.6 58.6 69.6 78.4 87.1 90.7 89.8 83.0 72.2 58.5 45.1 68.7
Mean 32.8 37.1 47.0 57.7 67.0 75.7 79.3 77.7 69.7 59.0 47.5 35.8 57.3
Minimum 23.0 26.5 35.5 45.9 55.7 64.4 68.0 65.5 56.3 45.7 36.5 26.5 45.9
CDD <0.5 <0.5 6 37 133 327 445 393 183 40 4 <0.5 1570
HDD 997 783 563 254 70 5 <0.5 1 44 228 529 905 4379
Precip 2.29 2.24 3.20 3.86 4.90 4.26 4.05 3.30 3.28 3.44 3.92 2.91 41.65
Snow 3.3 3.3 1.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.3 11.8
City: BELVIDERE
State: IL
ID: USC00110583
Lat: 42.2550
Long: -88.8644
County: Boone
Elev: 738 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.44 1.46 2.16 3.46 3.88 5.35 3.98 5.05 3.62 3.00 2.73 2.16 38.29
Snow 11.1 8.4 3.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.6 12.5 36.1
City: BENTLEY
State: IL
ID: USC00110598
Lat: 40.3436
Long: -91.1125
County: Hancock
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.7 39.7 51.7 64.1 74.1 83.4 88.2 86.3 79.4 67.0 52.6 38.4 63.4
Mean 25.2 29.8 40.9 52.4 62.8 71.8 76.3 74.1 66.2 54.7 41.8 29.0 52.2
Minimum 15.7 20.0 30.1 40.7 51.4 60.3 64.3 62.0 53.0 42.4 31.0 19.7 41.0
CDD 0 <0.5 1 16 72 222 349 288 116 20 <0.5 0 1084
HDD 1233 984 749 394 142 17 1 4 80 339 696 1114 5753
Precip 1.41 1.79 2.75 3.86 4.91 4.52 4.42 4.16 3.72 3.02 2.78 2.08 39.42
Snow 6.0 5.3 2.1 0.5 0.0 0.0 0.0 0.0 0.0 0.0 1.0 5.8 20.7
City: BENTON 2 N
State: IL
ID: USC00110608
Lat: 38.0336
Long: -88.9203
County: Franklin
Elev: 445 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.7 44.9 55.9 67.5 76.4 85.0 88.9 88.5 80.7 68.7 56.6 42.5 66.5
Mean 32.9 36.2 46.0 56.4 65.4 74.3 78.2 77.1 68.8 57.2 47.0 34.5 56.3
Minimum 25.0 27.4 36.1 45.3 54.4 63.7 67.5 65.6 57.0 45.7 37.5 26.4 46.0
CDD 0 <0.5 4 28 102 287 409 375 166 26 4 0 1402
HDD 997 808 593 286 90 7 <0.5 1 50 268 543 947 4590
Precip 2.77 2.86 3.75 4.42 5.34 4.53 3.28 2.84 3.05 3.89 4.43 3.44 44.60
Snow 1.8 1.6 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 5.2
City: BLOOMINGTON 5W
State: IL
ID: USC00110764
Lat: 40.4864
Long: -89.0864
County: McLean
Elev: 780 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.9 38.8 51.7 64.4 75.1 83.2 86.6 84.9 78.8 65.2 49.9 36.2 62.4
Mean 24.1 29.3 40.4 51.9 62.3 71.0 74.8 72.9 65.9 53.6 40.7 27.6 51.3
Minimum 15.2 19.8 29.0 39.5 49.5 58.8 63.0 60.8 53.0 42.0 31.5 19.1 40.2
CDD 0 0 <0.5 11 65 200 305 250 107 16 <0.5 0 954
HDD 1269 999 764 403 148 20 1 7 80 369 729 1157 5948
Precip 2.05 1.97 2.74 3.70 4.39 3.92 4.14 4.28 3.16 3.14 3.25 2.50 39.24
City: BLOOMINGTON WATERWORKS
State: IL
ID: USC00110761
Lat: 40.4961
Long: -88.9994
County: McLean
Elev: 775 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.96 1.93 2.79 3.72 4.36 4.09 3.99 3.84 3.10 3.19 3.38 3.22 39.57
City: BOURBONNAIS 3NW
State: IL
ID: USC00110803
Lat: 41.1750
Long: -87.9350
County: Kankakee
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.93 1.71 2.76 3.65 4.38 3.95 3.94 3.20 2.98 3.01 3.28 2.54 37.33
Snow 8.9 5.1 3.2 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.9 7.3 26.6
City: BRADFORD 3SSE
State: IL
ID: USC00110868
Lat: 41.1492
Long: -89.6233
County: Marshall
Elev: 780 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.62 1.63 2.52 3.38 4.00 4.07 3.95 3.85 3.32 2.67 2.90 2.12 36.03
Snow 6.5 5.3 2.4 0.6 0.0 0.0 0.0 0.0 0.0 0.1 0.7 5.7 21.3
City: BROOKPORT DAM 52
State: IL
ID: USC00110993
Lat: 37.1275
Long: -88.6531
County: Massac
Elev: 330 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 41.7 46.6 56.8 67.8 76.2 84.4 87.9 87.7 80.5 69.6 56.5 44.5 66.8
Mean 32.8 37.0 45.9 56.5 65.5 73.9 77.7 76.8 69.0 57.6 46.4 35.8 56.4
Minimum 23.9 27.4 35.1 45.3 54.9 63.3 67.6 65.9 57.5 45.7 36.3 27.1 45.9
CDD 0 <0.5 2 21 97 272 395 367 165 29 2 <0.5 1349
HDD 998 784 592 274 80 6 <0.5 1 45 257 560 905 4502
Precip 3.54 3.95 4.17 4.60 5.08 3.91 4.09 2.86 3.48 3.93 4.16 4.45 48.22
Snow 1.3 1.7 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 4.8
City: BROWNSTOWN 4 SW
State: IL
ID: USC00111020
Lat: 38.9544
Long: -88.9583
County: Fayette
Elev: 530 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.3 43.0 53.4 65.2 75.6 85.0 87.9 86.2 80.0 68.2 54.8 41.6 64.9
Mean 29.8 34.8 44.2 55.4 65.5 75.1 77.6 75.3 68.0 56.4 46.0 33.8 55.2
Minimum 22.3 26.5 35.1 45.6 55.4 65.1 67.2 64.5 56.0 44.7 37.2 26.1 45.6
CDD 0 <0.5 2 27 110 311 389 325 151 25 4 <0.5 1344
HDD 1091 847 645 315 95 10 <0.5 4 61 290 574 965 4897
Precip 2.33 2.44 2.86 3.62 5.43 4.15 3.99 2.98 3.20 2.98 3.95 3.04 40.97
City: BUFFALO
State: IL
ID: USC00111083
Lat: 39.8564
Long: -89.4161
County: Sangamon
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.99 1.86 2.59 3.68 4.35 4.30 4.30 3.47 2.95 3.23 3.55 2.54 38.81
City: CAHOKIA ST LOUIS AP
State: IL
ID: USW00003960
Lat: 38.5714
Long: -90.1572
County: St. Clair
Elev: 413 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.7 45.5 56.2 67.5 76.6 85.4 88.4 87.7 80.3 69.2 54.9 42.7 66.3
Mean 31.7 36.1 45.2 55.9 65.8 74.0 77.8 76.2 67.7 57.0 45.1 34.3 55.7
Minimum 22.7 26.7 34.2 44.3 55.0 62.6 67.2 64.7 55.1 44.7 35.3 26.0 45.0
CDD 0 <0.5 3 24 108 277 397 349 134 28 1 <0.5 1322
HDD 1032 809 617 297 83 7 <0.5 2 53 277 598 950 4727
Precip 2.39 2.10 3.17 4.05 4.95 4.17 3.59 3.15 3.18 3.39 3.76 3.04 40.94
City: CAHOKIA
State: IL
ID: USC00111160
Lat: 38.5669
Long: -90.1942
County: St. Clair
Elev: 400 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.8 45.4 55.6 67.0 75.5 84.0 88.0 87.0 79.6 69.1 56.2 42.6 65.9
Mean 30.7 35.1 45.2 56.3 65.4 74.2 78.4 76.9 68.7 57.4 45.8 33.8 55.7
Minimum 21.5 24.9 34.7 45.5 55.3 64.5 68.7 66.7 57.8 45.7 35.5 24.9 45.6
CDD <0.5 <0.5 5 29 103 285 414 369 162 29 3 <0.5 1399
HDD 1065 836 621 291 90 7 <0.5 2 51 265 577 969 4774
Precip 2.62 2.54 3.34 3.83 4.65 4.10 4.44 3.40 3.40 3.42 3.92 3.07 42.73
Snow 5.0 3.6 1.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.0 15.1
City: CAIRO 3N
State: IL
ID: USW00093809
Lat: 37.0422
Long: -89.1856
County: Alexander
Elev: 313 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.7 47.9 58.5 69.6 78.1 86.2 89.0 88.1 81.3 70.3 57.9 45.6 68.0
Mean 34.0 38.5 47.7 58.0 67.5 75.6 78.9 77.5 69.9 58.8 48.1 37.3 57.7
Minimum 25.2 29.1 36.9 46.4 56.9 65.1 68.8 67.0 58.6 47.2 38.3 28.9 47.4
CDD <0.5 <0.5 4 35 135 323 431 390 186 35 3 <0.5 1543
HDD 962 742 541 245 58 4 <0.5 1 38 229 510 861 4189
Precip 3.69 3.77 4.05 4.63 5.27 3.91 4.14 3.01 3.19 4.05 4.46 4.47 48.64
Snow 1.6 1.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 4.4
City: CAMP GROVE 2SW
State: IL
ID: USC00111236
Lat: 41.0522
Long: -89.6572
County: Stark
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.97 1.75 2.68 3.43 4.41 4.08 4.10 3.89 3.49 2.76 3.04 2.09 37.69
City: CANTON 1 ESE
State: IL
ID: USC00111250
Lat: 40.5447
Long: -90.0211
County: Fulton
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.37 1.96 2.82 4.16 5.10 4.67 4.33 3.70 3.39 2.93 3.32 2.23 39.98
Snow 6.5 3.9 1.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 4.8 16.9
City: CARBONDALE SEWAGE PLT
State: IL
ID: USC00111265
Lat: 37.7308
Long: -89.1658
County: Jackson
Elev: 390 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 41.8 46.9 57.1 68.3 77.0 85.6 89.0 88.7 81.6 70.3 57.7 45.0 67.5
Mean 32.4 36.6 45.8 56.3 65.8 74.6 78.1 76.5 68.5 57.0 46.6 35.4 56.2
Minimum 23.0 26.2 34.6 44.3 54.6 63.6 67.3 64.3 55.3 43.7 35.6 25.9 44.9
CDD <0.5 <0.5 4 30 109 294 408 358 158 28 3 <0.5 1391
HDD 1010 797 597 291 84 7 <0.5 1 55 276 553 916 4587
Precip 3.06 3.08 4.15 4.45 5.37 4.51 3.66 3.26 3.14 3.81 4.63 4.05 47.17
Snow 3.0 4.1 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 2.6 11.0
City: CARBONDALE SOUTHERN IL AP
State: IL
ID: USW00093810
Lat: 37.7797
Long: -89.2497
County: Jackson
Elev: 406 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 41.4 46.4 56.8 67.5 76.8 85.5 88.5 87.5 80.2 69.9 56.4 44.2 66.8
Mean 32.9 37.1 46.4 56.3 66.2 74.7 78.2 76.5 68.1 57.5 46.6 35.9 56.5
Minimum 24.5 27.9 36.0 45.1 55.6 64.0 67.8 65.5 56.1 45.2 36.9 27.6 46.1
CDD 0 <0.5 3 23 110 296 408 357 143 29 2 <0.5 1370
HDD 993 780 579 284 73 4 0 1 49 260 552 902 4476
Precip 2.93 2.77 3.94 4.14 5.16 3.99 3.59 2.88 3.42 3.87 4.25 3.63 44.57
City: CARLINVILLE
State: IL
ID: USC00111280
Lat: 39.2883
Long: -89.8703
County: Macoupin
Elev: 621 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.9 41.1 52.5 65.2 74.4 82.9 86.4 85.4 78.8 67.0 53.2 39.2 63.6
Mean 27.2 31.6 42.1 54.0 63.5 72.5 76.0 74.4 66.7 55.4 43.4 31.0 53.2
Minimum 18.6 22.2 31.8 42.8 52.7 62.0 65.5 63.4 54.7 43.7 33.5 22.7 42.9
CDD 0 <0.5 2 16 78 238 341 296 128 19 1 <0.5 1118
HDD 1170 934 710 346 123 14 1 5 75 318 651 1055 5403
Precip 2.11 2.08 2.90 3.92 4.36 3.92 3.74 3.10 3.13 3.32 3.74 2.74 39.06
Snow 5.4 4.5 2.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.6 16.4
City: CARLYLE RSVR
State: IL
ID: USC00111290
Lat: 38.6308
Long: -89.3658
County: Clinton
Elev: 501 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.7 42.9 53.4 65.0 74.2 83.2 86.8 86.2 79.4 67.5 54.6 40.6 64.4
Mean 29.1 33.0 43.6 54.6 64.5 73.5 77.2 76.0 68.3 56.4 45.2 32.3 54.6
Minimum 20.5 23.1 33.8 44.2 54.8 63.7 67.6 65.8 57.2 45.2 35.7 24.0 44.7
CDD 0 <0.5 2 19 90 263 378 343 154 25 1 0 1278
HDD 1113 896 666 331 106 10 <0.5 2 56 293 597 1013 5083
Precip 2.56 2.52 3.44 3.97 5.28 4.37 4.22 2.80 3.16 3.60 3.99 3.59 43.50
City: CARMI 3
State: IL
ID: USC00111302
Lat: 38.0733
Long: -88.1805
County: White
Elev: 335 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.1 44.5 55.4 67.1 75.9 84.4 87.0 86.6 80.0 69.4 56.0 42.6 65.9
Mean 31.2 34.6 44.9 55.7 65.1 73.9 76.9 75.5 67.8 56.7 45.4 33.9 55.2
Minimum 22.3 24.8 34.4 44.2 54.3 63.5 66.8 64.4 55.7 44.0 34.8 25.2 44.6
CDD 0 <0.5 3 23 100 276 369 327 141 24 2 <0.5 1264
HDD 1048 850 626 303 97 7 <0.5 2 56 281 590 964 4823
Precip 3.40 3.21 4.10 4.41 5.55 4.10 4.36 3.38 3.21 3.49 4.20 4.01 47.42
Snow 2.5 4.5 1.8 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.2 3.0 12.2
City: CARMI 6 NW
State: IL
ID: USC00111296
Lat: 38.1497
Long: -88.2244
County: White
Elev: 390 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.97 2.82 4.17 4.33 5.76 3.89 4.41 3.01 2.93 3.45 4.20 3.65 45.59
Snow 3.1 3.7 1.8 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.1 2.4 11.4
City: CARTHAGE
State: IL
ID: USC00111316
Lat: 40.4008
Long: -91.1278
County: Hancock
Elev: 660 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.78 1.83 2.66 3.80 5.05 4.63 4.44 3.97 3.85 3.39 3.19 2.17 40.76
Snow 7.2 5.7 2.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 5.5 21.5
City: CASEY
State: IL
ID: USC00111329
Lat: 39.2975
Long: -87.9747
County: Clark
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.78 2.51 3.22 4.37 4.63 4.42 4.15 3.46 2.92 3.71 4.01 3.22 43.40
Snow 4.9 2.1 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 4.3 12.9
City: CENTRALIA
State: IL
ID: USC00111386
Lat: 38.5547
Long: -89.1297
County: Marion
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.70 2.61 3.72 4.08 5.00 4.49 4.01 2.71 2.93 3.85 4.08 3.28 43.46
Snow 2.1 3.7 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.9 8.8
City: CHAMPAIGN 9 SW
State: IL
ID: USW00054808
Lat: 40.0528
Long: -88.3728
County: Champaign
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.7 37.6 50.4 63.2 73.2 82.3 84.0 82.4 77.3 65.1 50.5 37.1 61.4
Mean 24.3 29.1 40.2 51.5 61.9 71.1 73.4 71.5 64.6 53.1 41.3 29.2 51.0
Minimum 15.9 20.5 30.0 39.8 50.6 59.8 62.8 60.5 51.9 41.1 32.1 21.2 40.6
CDD 0 0 <0.5 6 57 200 262 211 78 14 <0.5 0 828
HDD 1261 1006 769 411 153 19 2 12 90 383 711 1111 5928
Precip 2.05 2.14 2.96 3.62 4.14 4.35 4.50 3.67 2.97 3.17 3.57 2.61 39.75
City: CHAMPAIGN WILLARD AP
State: IL
ID: USW00094870
Lat: 40.0397
Long: -88.2778
County: Champaign
Elev: 754 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.5 37.9 50.7 63.8 75.1 83.3 84.2 82.9 78.0 65.4 51.1 36.5 62.0
Mean 25.3 29.5 40.6 51.8 63.1 71.9 74.0 72.2 65.5 53.7 41.6 29.0 51.6
Minimum 17.2 21.2 30.6 39.8 51.0 60.5 63.9 61.5 53.0 42.0 32.1 21.4 41.3
CDD 0 0 1 10 81 223 282 230 98 19 1 0 945
HDD 1229 992 756 406 142 17 2 7 83 369 703 1117 5822
Precip 2.05 2.02 2.75 3.79 4.55 4.17 4.34 3.61 3.28 3.14 3.50 2.52 39.72
City: CHANNAHON DRESDEN IS
State: IL
ID: USC00111420
Lat: 41.3978
Long: -88.2819
County: Grundy
Elev: 505 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.9 35.9 47.4 60.6 71.6 80.5 84.4 82.5 76.2 64.2 49.8 35.1 60.0
Mean 23.2 27.5 37.9 49.6 60.2 69.6 73.7 72.2 65.0 53.2 41.2 27.5 50.2
Minimum 15.6 19.0 28.3 38.7 48.9 58.7 63.1 61.9 53.8 42.3 32.6 19.9 40.3
CDD 0 0 <0.5 5 47 171 274 230 92 14 <0.5 0 833
HDD 1294 1051 842 466 194 33 3 7 92 379 714 1162 6236
Precip 1.81 1.59 2.37 3.45 4.03 4.17 4.17 3.70 3.04 2.86 3.06 2.25 36.50
Snow 5.5 7.2 0.3 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.2 6.1 19.8
City: CHARLESTON
State: IL
ID: USC00111436
Lat: 39.4761
Long: -88.1653
County: Coles
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.4 41.7 53.2 65.7 75.0 83.8 86.4 85.0 79.1 67.1 53.3 39.7 64.0
Mean 28.4 33.1 43.4 54.7 64.2 73.1 76.2 74.6 67.8 56.3 44.4 32.1 54.1
Minimum 20.5 24.4 33.5 43.7 53.3 62.4 66.1 64.3 56.4 45.5 35.6 24.5 44.3
CDD 0 <0.5 3 21 87 255 349 302 144 24 1 <0.5 1186
HDD 1133 894 674 330 113 12 <0.5 3 61 294 618 1020 5153
Precip 2.49 2.51 2.89 4.29 4.62 4.35 4.47 2.93 3.24 3.76 3.97 3.15 42.67
Snow 7.5 4.4 1.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.7 2.6 17.2
City: CHENOA
State: IL
ID: USC00111475
Lat: 40.7394
Long: -88.7108
County: McLean
Elev: 710 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.2 38.2 50.7 64.4 74.9 83.3 85.4 83.9 78.3 65.7 50.6 36.4 62.2
Mean 24.8 29.2 40.3 52.4 63.0 72.0 74.7 72.9 66.1 54.4 41.6 28.5 51.7
Minimum 16.3 20.2 29.8 40.5 51.0 60.7 64.0 61.8 53.9 43.1 32.7 20.5 41.3
CDD 0 <0.5 1 14 75 226 302 250 115 17 <0.5 0 1000
HDD 1248 1002 768 390 139 16 1 7 82 345 701 1133 5833
Precip 1.87 1.54 3.04 3.32 4.02 3.71 3.55 3.05 2.86 3.08 3.07 2.41 35.52
Snow 4.9 5.1 1.8 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.8 6.3 19.7
City: CHESTER
State: IL
ID: USC00111491
Lat: 37.9022
Long: -89.8308
County: Randolph
Elev: 428 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.61 2.64 3.70 3.96 5.50 4.27 3.96 3.14 3.70 3.63 4.29 3.38 44.78
Snow 4.2 4.0 1.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 13.3
City: CHICAGO AURORA MUNI AP
State: IL
ID: USW00004808
Lat: 41.7700
Long: -88.4814
County: Kane
Elev: 710 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.1 33.7 47.0 60.0 70.6 80.1 83.5 81.2 74.9 62.2 47.8 32.8 58.7
Mean 20.8 24.9 37.0 48.5 58.8 68.8 71.7 70.1 62.8 50.6 38.1 25.1 48.2
Minimum 12.6 16.2 26.9 37.0 47.1 57.5 59.8 59.0 50.7 39.0 28.4 17.5 37.7
CDD 0 0 <0.5 3 38 155 215 173 63 8 <0.5 0 655
HDD 1368 1121 870 498 228 41 9 15 129 454 807 1235 6776
Precip 1.47 1.62 2.23 3.30 4.26 4.01 4.19 4.12 3.44 3.12 3.14 1.96 36.86
City: CHICAGO BOTANICAL GDN
State: IL
ID: USC00111497
Lat: 42.1406
Long: -87.7867
County: Cook
Elev: 630 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.6 35.7 45.4 56.7 67.5 77.7 82.6 81.3 74.4 62.3 48.9 35.7 58.4
Mean 23.7 27.4 36.8 47.3 57.3 67.3 72.8 71.8 64.1 52.1 40.8 28.0 49.2
Minimum 15.9 19.1 28.2 37.9 47.2 57.0 63.1 62.3 53.9 41.9 32.8 20.4 40.1
CDD 0 <0.5 1 9 36 142 252 223 87 9 <0.5 0 759
HDD 1279 1053 875 540 274 71 9 12 113 408 725 1145 6503
Precip 1.81 1.73 2.37 3.58 4.01 3.67 3.63 4.77 3.48 3.24 3.06 2.40 37.75
Snow 11.2 7.9 5.4 0.9 0.0 0.0 0.0 0.0 0.0 0.1 1.4 6.5 33.4
City: CHICAGO MIDWAY AP 3SW
State: IL
ID: USW00014819
Lat: 41.7372
Long: -87.7775
County: Cook
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.5 35.8 46.8 59.2 70.2 79.9 84.2 82.1 75.3 62.8 48.6 35.3 59.4
Mean 24.8 28.7 38.8 50.4 60.9 71.0 75.9 74.1 66.4 54.2 41.5 29.0 51.4
Minimum 18.2 21.7 30.9 41.7 51.6 62.1 67.5 66.2 57.5 45.7 34.5 22.7 43.5
CDD 0 <0.5 1 12 61 210 338 288 119 16 <0.5 0 1045
HDD 1245 1015 812 448 188 31 1 4 77 349 704 1116 5989
Precip 2.06 1.94 2.72 3.64 4.13 4.06 4.01 3.99 3.31 3.24 3.42 2.57 39.09
Snow 11.5 9.1 5.4 1.0 0.0 0.0 0.0 0.0 0.0 0.1 1.3 8.7 37.1
City: CHICAGO NORTHERLY IS
State: IL
ID: USC00111550
Lat: 41.8661
Long: -87.6153
County: Cook
Elev: 592 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.2 36.4 45.8 56.9 67.8 77.1 83.4 81.5 74.5 62.8 49.2 36.3 58.8
Mean 26.0 29.7 38.4 49.6 59.8 69.5 76.5 75.1 67.8 56.0 43.4 30.6 51.9
Minimum 19.8 22.9 30.9 42.2 51.7 61.9 69.5 68.6 61.1 49.2 37.5 24.9 45.1
CDD 0 0 <0.5 3 31 172 355 312 130 22 <0.5 0 1025
HDD 1209 990 826 466 194 37 <0.5 1 46 301 650 1066 5786
City: CHICAGO OHARE AP
State: IL
ID: USW00094846
Lat: 41.9950
Long: -87.9336
County: DuPage
Elev: 658 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.0 35.3 46.6 59.0 70.0 79.7 84.1 81.9 74.8 62.3 48.2 34.8 59.1
Mean 23.8 27.7 37.9 48.9 59.1 68.9 74.0 72.4 64.6 52.5 40.3 27.7 49.9
Minimum 16.5 20.1 29.2 38.8 48.3 58.1 63.9 62.9 54.3 42.8 32.4 20.7 40.8
CDD 0 <0.5 1 9 44 165 283 238 92 11 <0.5 0 842
HDD 1279 1044 841 492 225 48 4 9 105 397 741 1155 6339
Precip 1.73 1.79 2.50 3.38 3.68 3.45 3.70 4.90 3.21 3.15 3.15 2.25 36.89
Snow 10.8 9.1 5.6 1.2 0.0 0.0 0.0 0.0 0.0 0.3 1.2 8.5 36.7
City: CHICAGO PALWAUKEE AP
State: IL
ID: USW00004838
Lat: 42.1208
Long: -87.9047
County: Cook
Elev: 636 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.8 35.2 46.1 57.9 69.1 79.0 83.3 81.5 74.3 61.7 48.1 35.1 58.6
Mean 23.7 27.8 37.5 47.8 58.3 68.4 73.6 72.3 64.3 52.2 40.0 28.0 49.6
Minimum 16.6 20.4 28.9 37.6 47.5 57.8 63.8 63.1 54.3 42.6 32.0 20.9 40.6
CDD 0 <0.5 <0.5 4 38 154 269 232 81 11 <0.5 0 789
HDD 1280 1041 853 522 245 52 4 6 102 409 749 1147 6410
Precip 1.63 0.95 2.25 2.97 3.69 3.71 3.62 3.66 3.21 2.94 2.89 1.83 33.35
City: CHICAGO UNIV
State: IL
ID: USW00014892
Lat: 41.7833
Long: -87.6000
County: Cook
Elev: 594 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.8 38.0 47.7 59.6 70.3 80.4 84.6 83.2 76.6 64.8 50.8 37.3 60.7
Mean 27.3 31.2 40.1 50.7 61.0 70.8 76.0 74.9 67.8 56.2 44.2 31.1 52.7
Minimum 20.9 24.4 32.6 41.8 51.7 61.3 67.4 66.6 59.0 47.5 37.7 24.9 44.7
CDD 0 0 1 13 64 209 342 309 144 18 1 0 1102
HDD 1167 946 772 442 188 34 1 2 60 292 623 1051 5579
Precip 2.25 2.04 2.79 3.35 4.07 4.05 3.78 3.81 3.13 2.88 3.23 2.58 37.96
City: CHICAGO WAUKEGAN RGNL AP
State: IL
ID: USW00014880
Lat: 42.4167
Long: -87.8667
County: Lake
Elev: 727 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.5 33.5 43.9 55.3 65.9 75.7 80.3 79.0 71.4 59.9 46.7 34.4 56.5
Mean 23.0 25.9 35.2 46.1 55.7 65.7 71.3 69.9 62.2 51.0 39.1 27.5 47.8
Minimum 15.5 18.3 26.5 36.8 45.5 55.6 62.2 60.8 53.1 42.2 31.4 20.5 39.1
CDD 0 0 <0.5 4 21 105 205 167 55 7 <0.5 0 564
HDD 1302 1095 924 572 309 86 12 16 138 440 779 1164 6834
Precip 1.39 1.66 2.32 3.48 4.01 3.88 3.88 3.83 3.46 2.92 2.76 2.00 35.59
City: CHILLICOTHE
State: IL
ID: USC00111627
Lat: 40.9153
Long: -89.5031
County: Peoria
Elev: 535 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.86 1.72 2.77 3.47 4.53 3.86 3.24 3.82 3.30 2.72 3.12 2.24 36.65
Snow 6.3 4.7 2.1 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.4 5.4 19.5
City: CISCO
State: IL
ID: USC00111655
Lat: 40.0086
Long: -88.7267
County: Piatt
Elev: 688 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.05 2.19 2.72 3.69 4.38 4.49 4.86 3.87 3.07 3.25 3.43 2.77 40.77
City: CISNE 2 S
State: IL
ID: USC00111664
Lat: 38.5047
Long: -88.4094
County: Wayne
Elev: 454 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.80 2.69 4.00 4.46 5.24 3.96 4.48 3.48 3.24 3.80 4.27 3.45 45.87
City: CLAREMONT 6N
State: IL
ID: USC00111691
Lat: 38.8011
Long: -87.9281
County: Richland
Elev: 465 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.73 2.55 3.64 4.28 5.45 4.05 4.52 2.95 3.07 3.64 4.10 3.60 44.58
City: CLAY CITY 6SSE
State: IL
ID: USC00111700
Lat: 38.6058
Long: -88.3117
County: Wayne
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.68 2.70 3.87 4.16 5.22 4.01 3.95 3.29 3.05 3.74 4.15 3.46 44.28
Snow 3.7 3.0 1.1 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.6 3.6 12.2
City: CLINTON 1SSW
State: IL
ID: USC00111743
Lat: 40.1375
Long: -88.9675
County: De Witt
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.06 2.17 2.95 3.98 4.51 4.27 4.58 3.60 2.76 3.45 3.68 2.89 40.90
City: COMPTON 1 NW
State: IL
ID: USC00111835
Lat: 41.7061
Long: -89.1003
County: Lee
Elev: 905 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.5 33.7 46.0 59.7 71.2 79.6 83.1 81.3 74.3 62.5 47.0 32.4 58.4
Mean 20.5 25.0 36.2 48.4 59.5 68.6 72.2 70.3 62.6 50.7 38.3 24.6 48.2
Minimum 12.4 16.4 26.4 37.1 47.9 57.5 61.4 59.4 50.9 38.9 29.6 16.8 38.0
CDD 0 0 <0.5 7 45 152 232 182 65 5 <0.5 0 689
HDD 1381 1118 893 505 214 46 7 16 137 449 801 1252 6820
City: CONGERVILLE 2NW
State: IL
ID: USC00111836
Lat: 40.6211
Long: -89.2414
County: Woodford
Elev: 635 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.8 38.2 50.5 63.6 73.6 82.7 85.8 84.2 79.0 66.7 51.3 37.0 62.2
Mean 23.7 28.7 39.5 51.6 61.5 70.8 74.3 72.1 65.2 53.6 41.5 27.6 51.0
Minimum 14.6 19.3 28.6 39.6 49.5 58.9 62.9 60.1 51.4 40.5 31.6 18.3 39.7
CDD 0 <0.5 1 13 64 199 292 230 96 18 <0.5 0 913
HDD 1280 1015 790 415 171 26 2 9 90 371 707 1157 6033
Precip 1.87 1.71 2.46 3.49 4.65 3.93 3.98 4.07 3.19 3.08 3.24 2.17 37.84
Snow 7.3 4.2 2.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 1.1 5.8 21.7
City: CRYSTAL LAKE 4 NW
State: IL
ID: USC00112048
Lat: 42.2611
Long: -88.3953
County: McHenry
Elev: 940 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.72 1.69 2.27 3.40 4.63 4.35 3.73 4.29 3.17 3.06 2.82 2.11 37.24
Snow 10.3 7.9 4.5 1.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4 10.3 35.5
City: DAHINDA 1NE
State: IL
ID: USC00112125
Lat: 40.9372
Long: -90.0881
County: Knox
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.66 1.86 2.66 3.66 4.36 4.24 4.21 3.82 3.37 2.83 2.83 2.15 37.65
City: DANVILLE SEWAGE PLT
State: IL
ID: USC00112145
Lat: 40.1017
Long: -87.5967
County: Vermilion
Elev: 527 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.25 2.07 2.96 3.91 4.85 4.34 4.86 3.30 2.80 3.54 3.68 2.92 41.48
Snow 6.4 4.4 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 4.1 17.6
City: DANVILLE
State: IL
ID: USC00112140
Lat: 40.1392
Long: -87.6481
County: Vermilion
Elev: 558 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.1 40.0 51.9 64.8 74.7 83.3 85.4 83.8 78.3 66.1 52.2 38.3 62.9
Mean 27.1 31.4 42.0 53.5 63.1 72.1 75.1 73.5 66.7 55.0 43.4 30.8 52.9
Minimum 19.2 22.9 32.0 42.1 51.5 60.9 64.7 63.1 55.1 43.8 34.5 23.3 42.8
CDD 0 <0.5 2 16 74 229 312 267 123 18 1 <0.5 1041
HDD 1173 939 716 363 133 16 1 5 72 329 650 1060 5458
Precip 2.21 2.21 3.02 3.98 4.74 4.55 4.67 3.48 2.93 3.57 3.83 2.83 42.02
Snow 4.8 4.9 2.7 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 5.2 17.9
City: DE KALB
State: IL
ID: USC00112223
Lat: 41.9342
Long: -88.7756
County: DeKalb
Elev: 873 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 27.9 32.8 44.9 59.0 70.3 80.0 83.3 81.3 74.5 61.9 46.4 31.9 58.0
Mean 20.3 24.8 35.9 48.4 59.4 69.5 73.1 71.2 63.4 51.1 38.1 24.5 48.4
Minimum 12.8 16.8 27.0 37.7 48.5 58.9 62.9 61.0 52.3 40.2 29.7 17.2 38.9
CDD 0 0 <0.5 6 42 172 256 206 79 8 <0.5 0 769
HDD 1384 1125 901 506 216 38 5 15 127 440 809 1254 6820
Precip 1.48 1.54 2.27 3.27 4.57 4.14 4.37 4.36 3.25 2.88 2.70 2.15 36.98
Snow 10.1 7.3 4.3 0.9 0.0 0.0 0.0 0.0 0.0 0.1 1.1 8.1 31.9
City: DECATUR AP
State: IL
ID: USW00003887
Lat: 39.8344
Long: -88.8656
County: Macon
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.2 39.2 51.4 63.8 74.2 82.6 86.5 84.4 78.6 65.9 51.7 38.8 62.8
Mean 27.3 31.0 41.6 52.8 62.8 72.1 75.7 73.6 66.5 54.5 42.9 30.8 52.7
Minimum 19.4 22.9 31.8 41.8 51.4 61.6 65.0 62.7 54.3 43.0 34.1 22.9 42.7
CDD 0 0 1 13 73 229 333 269 111 19 <0.5 0 1049
HDD 1168 950 727 379 141 17 1 5 67 345 663 1058 5522
Precip 1.74 1.98 2.64 3.80 4.29 4.35 3.86 3.65 2.89 3.28 3.43 2.54 38.45
City: DECATUR WTP
State: IL
ID: USC00112193
Lat: 39.8289
Long: -88.9506
County: Macon
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.0 41.1 53.1 66.0 75.9 84.5 87.4 86.1 80.0 67.7 53.1 39.4 64.3
Mean 27.5 32.2 42.7 54.4 64.2 73.3 76.5 75.1 67.8 56.2 43.8 31.2 53.8
Minimum 19.1 23.2 32.3 42.9 52.5 62.0 65.6 64.1 55.6 44.7 34.4 23.1 43.4
CDD 0 <0.5 2 19 88 259 357 317 147 25 1 <0.5 1216
HDD 1161 920 693 336 112 12 <0.5 4 63 298 639 1046 5284
Precip 2.14 2.00 2.59 3.67 4.79 4.50 3.98 3.77 3.14 3.25 3.71 2.78 40.32
Snow 4.8 4.2 1.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 4.9 16.0
City: DIX
State: IL
ID: USC00112344
Lat: 38.4628
Long: -88.9433
County: Jefferson
Elev: 602 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.75 2.50 3.78 4.01 5.24 3.66 3.97 3.23 3.40 3.71 3.94 3.35 43.54
Snow 3.5 2.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4 2.7 10.3
City: DIXON 1 NW
State: IL
ID: USC00112348
Lat: 41.8472
Long: -89.5047
County: Lee
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.8 33.5 46.1 60.2 70.5 79.4 82.6 81.1 74.5 62.4 47.4 32.7 58.4
Mean 20.2 24.6 36.6 49.0 59.6 68.9 72.6 70.9 62.9 51.0 38.4 24.6 48.4
Minimum 11.6 15.7 27.0 37.8 48.6 58.4 62.6 60.6 51.4 39.7 29.3 16.5 38.4
CDD 0 <0.5 <0.5 8 42 156 242 197 72 8 <0.5 0 726
HDD 1389 1131 882 488 211 39 7 16 134 441 800 1252 6789
Precip 1.57 1.58 2.47 3.50 4.41 4.90 4.14 4.50 3.55 2.90 2.69 2.19 38.40
Snow 11.2 5.8 4.1 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.4 6.9 30.2
City: DIXON SPRINGS AG CTR
State: IL
ID: USC00112353
Lat: 37.4389
Long: -88.6678
County: Pope
Elev: 527 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 44.3 49.5 60.0 70.3 78.2 86.1 89.3 89.1 82.9 72.0 59.2 46.7 69.1
Mean 35.5 40.0 49.2 58.9 67.1 75.1 78.6 77.8 70.7 59.8 49.3 38.2 58.4
Minimum 26.7 30.4 38.5 47.5 56.1 64.1 67.9 66.4 58.5 47.6 39.4 29.7 47.8
CDD <0.5 <0.5 8 42 132 309 422 396 207 47 5 <0.5 1568
HDD 914 702 496 225 66 6 <0.5 1 36 208 476 831 3960
Precip 3.62 3.51 4.37 4.56 5.57 4.07 3.86 3.29 3.54 3.89 4.51 4.49 49.28
Snow 2.5 2.8 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 1.5 7.6
City: DU QUOIN 4 SE
State: IL
ID: USC00112483
Lat: 37.9878
Long: -89.1931
County: Perry
Elev: 420 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.9 46.1 56.8 67.9 76.7 85.1 88.2 87.7 80.6 69.7 56.6 43.6 66.8
Mean 32.4 36.9 46.5 57.0 66.2 74.7 77.9 76.4 68.6 57.7 46.5 35.1 56.4
Minimum 23.9 27.7 36.2 46.1 55.6 64.3 67.6 65.1 56.5 45.8 36.4 26.7 46.1
CDD 0 <0.5 4 30 113 296 400 355 156 29 3 <0.5 1386
HDD 1010 787 577 270 77 5 <0.5 1 50 254 558 925 4515
Precip 2.92 2.74 4.16 4.26 5.71 4.51 3.86 3.14 3.36 3.86 4.23 3.55 46.30
Snow 3.7 3.7 0.8 0.2 0.0 0.0 0.0 0.0 0.0 0.2 0.2 3.6 12.4
City: DWIGHT
State: IL
ID: USC00112500
Lat: 41.1067
Long: -88.4111
County: Livingston
Elev: 628 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.7 35.2 47.7 61.2 72.2 81.3 83.9 82.0 76.5 63.9 49.0 34.4 59.9
Mean 22.5 26.6 37.3 49.3 60.6 69.9 73.1 70.9 63.6 51.8 39.6 26.2 49.4
Minimum 14.2 17.9 27.0 37.5 49.0 58.5 62.3 59.8 50.8 39.6 30.3 18.1 38.8
CDD 0 0 <0.5 6 57 181 256 196 76 9 <0.5 0 781
HDD 1319 1076 857 475 193 35 5 13 117 419 761 1201 6471
Precip 1.53 1.60 2.79 3.47 4.44 3.93 4.00 3.50 3.05 2.98 3.28 2.20 36.77
Snow 7.2 3.4 4.1 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.4 6.7 22.5
City: EARLVILLE 3 S
State: IL
ID: USC00112510
Lat: 41.5514
Long: -88.9147
County: La Salle
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.65 1.63 2.34 3.17 4.17 4.13 4.23 4.17 3.46 2.94 2.98 2.12 36.99
City: EDWARDSVILLE 2 W
State: IL
ID: USC00112679
Lat: 38.8097
Long: -90.0028
County: Madison
Elev: 500 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.51 2.41 3.09 4.05 5.17 4.48 4.16 3.62 3.14 3.54 4.10 2.93 43.20
Snow 3.9 3.2 0.9 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 3.8 12.1
City: EFFINGHAM 3SW
State: IL
ID: USW00093816
Lat: 39.1186
Long: -88.6242
County: Effingham
Elev: 625 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.2 41.2 52.3 64.5 74.2 83.7 87.1 86.2 79.5 67.1 53.6 39.9 63.9
Mean 28.0 32.1 42.2 53.4 63.4 72.9 76.4 74.9 67.2 55.3 43.9 31.6 53.5
Minimum 19.7 23.0 32.1 42.2 52.6 62.2 65.7 63.5 54.9 43.6 34.2 23.3 43.2
CDD 0 <0.5 2 16 79 253 354 309 137 21 1 0 1173
HDD 1148 921 709 366 128 15 1 4 71 320 634 1035 5352
Precip 2.89 2.72 3.27 4.01 5.27 4.46 4.43 2.75 2.99 3.59 4.13 3.22 43.73
Snow 4.5 5.3 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.4 3.2 15.2
City: EFFINGHAM SE
State: IL
ID: USC00112685
Lat: 39.1064
Long: -88.5311
County: Effingham
Elev: 625 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.70 2.50 3.47 3.85 5.08 4.23 4.18 3.01 3.08 3.56 4.06 3.14 42.86
City: ELBURN
State: IL
ID: USC00112709
Lat: 41.8742
Long: -88.4728
County: Kane
Elev: 870 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.62 1.76 2.12 3.44 4.27 4.07 3.94 4.55 3.65 3.09 2.95 2.18 37.64
City: ELGIN
State: IL
ID: USC00112736
Lat: 42.0628
Long: -88.2861
County: Kane
Elev: 763 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.8 34.2 45.8 59.1 70.0 80.0 83.7 82.0 75.0 62.6 47.7 33.8 58.8
Mean 21.6 25.6 36.1 48.2 58.8 68.8 73.3 71.5 63.6 51.3 39.0 25.8 48.7
Minimum 13.4 17.0 26.5 37.4 47.6 57.6 62.9 61.0 52.1 40.1 30.3 17.9 38.7
CDD 0 <0.5 <0.5 7 39 159 262 214 78 8 <0.5 0 769
HDD 1345 1103 895 510 231 45 5 12 122 431 780 1213 6694
Precip 1.86 1.55 2.29 3.69 4.20 3.98 3.80 4.80 3.37 2.91 3.13 2.18 37.76
Snow 9.2 6.4 3.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.7 9.2 29.0
City: ELIZABETH
State: IL
ID: USC00112745
Lat: 42.3161
Long: -90.2269
County: Jo Daviess
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.2 33.4 45.5 59.5 70.2 79.8 83.4 81.5 74.1 61.9 47.2 32.6 58.2
Mean 18.9 23.6 35.3 47.6 57.8 67.9 71.8 69.7 61.2 49.4 37.3 23.6 47.1
Minimum 9.7 13.8 25.1 35.7 45.5 56.1 60.2 57.9 48.3 36.9 27.4 14.6 36.0
CDD 0 0 <0.5 5 29 134 219 169 53 6 <0.5 0 617
HDD 1427 1159 921 527 251 46 9 24 167 490 831 1283 7135
Precip 1.13 1.51 2.23 3.53 3.94 5.00 3.72 4.49 3.29 2.95 2.85 2.04 36.68
City: EUREKA
State: IL
ID: USC00112854
Lat: 41.7122
Long: -89.2611
County: Lee
Elev: 761 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.24 1.54 2.60 3.39 4.62 4.32 4.10 3.90 3.44 3.40 3.46 2.57 39.58
City: FAIRBURY WWTP
State: IL
ID: USC00112923
Lat: 40.7511
Long: -88.4983
County: Livingston
Elev: 690 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.59 1.50 2.54 3.08 3.91 3.76 3.86 3.35 2.78 3.08 3.08 2.26 34.79
Snow 2.1 3.0 0.5 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 4.1 10.1
City: FAIRFIELD RADIO WFIW
State: IL
ID: USC00112931
Lat: 38.3806
Long: -88.3264
County: Wayne
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.1 44.2 55.2 66.7 75.8 84.8 87.9 87.2 80.3 68.5 54.9 41.9 65.6
Mean 30.4 34.7 44.5 55.1 64.3 73.3 76.6 75.3 67.7 56.3 44.8 33.3 54.8
Minimum 21.6 25.2 33.8 43.5 52.9 61.8 65.3 63.4 55.1 44.1 34.6 24.7 43.9
CDD 0 <0.5 2 20 88 259 360 322 143 24 1 <0.5 1219
HDD 1074 848 638 317 108 10 <0.5 3 62 294 609 983 4945
Precip 3.03 2.78 4.39 4.35 4.97 3.81 3.62 3.15 2.62 3.88 4.17 3.49 44.26
Snow 3.4 3.8 1.5 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.1 3.8 12.8
City: FARMER CITY 3W
State: IL
ID: USC00112993
Lat: 40.2539
Long: -88.7075
County: De Witt
Elev: 745 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.7 37.4 48.8 61.3 72.8 81.8 84.4 83.4 78.3 64.8 49.3 35.9 61.0
Mean 24.2 28.6 38.9 50.3 61.8 70.8 73.4 72.4 65.5 52.6 39.9 28.6 50.7
Minimum 15.7 19.8 29.1 39.4 50.9 59.8 62.5 61.3 52.6 40.4 30.5 21.4 40.4
CDD 0 0 1 5 60 196 264 237 107 11 <0.5 0 883
HDD 1264 1019 809 445 158 22 3 9 94 396 753 1127 6099
Precip 1.91 2.02 2.30 3.63 4.23 4.29 3.97 4.01 3.06 3.28 3.31 2.58 38.59
Snow 3.6 5.4 1.7 0.5 0.0 0.0 0.0 0.0 0.0 0.1 0.7 6.3 18.3
City: FISHER
State: IL
ID: USC00113061
Lat: 40.3175
Long: -88.3506
County: Champaign
Elev: 683 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.13 2.34 2.72 3.54 4.38 4.84 4.44 3.81 3.73 3.11 3.51 2.70 41.25
Snow 4.6 4.4 1.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.9 17.3
City: FLORA 5 NW
State: IL
ID: USC00113109
Lat: 38.7103
Long: -88.5758
County: Clay
Elev: 500 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.3 44.5 55.8 67.9 76.2 84.7 87.7 86.8 80.3 69.0 55.5 41.8 65.9
Mean 31.0 35.3 45.2 56.2 65.0 73.6 76.8 75.4 68.2 57.2 46.0 33.7 55.4
Minimum 22.6 26.0 34.7 44.4 53.8 62.6 66.0 63.9 56.0 45.4 36.4 25.6 44.9
CDD 0 <0.5 4 28 97 268 368 323 152 28 2 <0.5 1270
HDD 1055 833 617 293 97 9 <0.5 2 57 270 574 970 4777
Precip 3.08 2.59 3.78 4.01 5.23 4.24 3.92 3.43 3.05 3.64 4.26 3.34 44.57
Snow 2.5 1.6 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 2.1 7.8
City: FLORA
State: IL
ID: USC00113106
Lat: 38.6786
Long: -88.4797
County: Clay
Elev: 500 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.2 43.6 54.3 67.1 75.7 85.9 88.6 87.4 80.4 68.2 55.1 41.2 65.6
Mean 29.5 33.8 43.5 54.9 64.5 74.1 77.1 75.1 67.8 55.3 44.8 32.5 54.5
Minimum 20.9 24.0 32.6 42.8 53.3 62.4 65.5 62.8 55.1 42.5 34.5 23.9 43.4
CDD 0 0 2 21 91 282 374 315 137 21 1 0 1245
HDD 1099 873 669 323 107 8 <0.5 2 55 320 608 1005 5070
Precip 3.04 2.64 3.92 4.25 5.22 4.18 4.11 3.14 3.14 3.67 4.13 3.44 44.88
City: FORRESTON
State: IL
ID: USC00113132
Lat: 42.1319
Long: -89.5742
County: Ogle
Elev: 913 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.53 1.50 2.47 3.51 4.04 4.67 4.27 4.61 3.73 2.82 2.36 2.01 37.52
City: FREEPORT WASTE WTP
State: IL
ID: USC00113262
Lat: 42.2972
Long: -89.6039
County: Stephenson
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.5 33.6 45.6 59.5 70.7 80.2 83.4 81.5 74.4 62.0 46.8 32.3 58.3
Mean 19.8 24.5 35.7 48.2 59.3 69.0 72.7 70.5 62.4 50.3 37.6 24.0 47.9
Minimum 11.2 15.4 25.9 36.8 47.8 57.8 61.9 59.5 50.3 38.5 28.4 15.8 37.5
CDD 0 <0.5 <0.5 7 41 158 243 188 65 6 <0.5 0 708
HDD 1399 1134 907 512 220 38 6 17 145 463 822 1269 6933
Precip 1.37 1.52 2.08 3.30 3.99 4.61 3.94 4.29 3.66 2.88 2.66 1.76 36.06
Snow 9.0 6.5 3.5 0.8 0.0 0.0 0.0 0.0 0.0 0.0 1.8 9.7 31.3
City: FT MASSAC SP
State: IL
ID: USC00113120
Lat: 37.1442
Long: -88.7114
County: Massac
Elev: 313 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 4.69 4.01 3.28 5.11 5.47 3.68 4.08 2.87 3.68 2.08 4.19 3.82 46.96
City: FULTON L&D #13
State: IL
ID: USC00113290
Lat: 41.8978
Long: -90.1544
County: Whiteside
Elev: 592 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.9 34.5 46.1 60.3 71.5 80.8 84.5 82.5 75.6 63.3 48.1 33.5 59.3
Mean 21.4 25.8 37.0 49.9 60.8 70.7 74.5 72.5 64.8 52.7 39.7 26.0 49.8
Minimum 12.9 17.2 27.9 39.5 50.2 60.6 64.5 62.5 54.1 42.2 31.4 18.5 40.2
CDD 0 0 <0.5 9 48 199 297 240 95 9 <0.5 0 899
HDD 1351 1096 868 462 176 28 3 7 100 389 758 1209 6449
Precip 1.38 1.48 2.36 3.01 3.69 4.16 3.30 4.33 2.83 2.82 2.47 1.77 33.60
City: GALENA
State: IL
ID: USC00113312
Lat: 42.3994
Long: -90.3861
County: Jo Daviess
Elev: 753 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.17 1.39 2.27 3.53 4.15 5.11 4.28 4.32 3.52 2.73 2.72 1.95 37.14
Snow 10.6 7.1 4.9 1.3 0.2 0.0 0.0 0.0 0.0 0.2 1.9 10.7 36.9
City: GALESBURG
State: IL
ID: USC00113320
Lat: 40.9464
Long: -90.3856
County: Knox
Elev: 771 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.3 35.0 47.9 61.5 71.7 80.8 84.0 82.2 75.4 62.9 48.3 33.9 59.6
Mean 21.9 26.1 38.0 50.9 61.4 71.1 74.6 72.7 64.7 52.5 39.1 26.0 50.0
Minimum 13.5 17.2 28.0 40.3 51.0 61.3 65.1 63.2 54.0 42.1 29.9 18.1 40.4
CDD 0 0 <0.5 11 57 204 298 247 96 11 <0.5 0 924
HDD 1336 1089 839 434 170 22 2 8 105 398 777 1209 6390
Precip 1.51 1.63 2.76 3.72 4.45 4.30 4.38 3.97 3.47 2.75 2.87 2.27 38.08
Snow 7.8 5.9 2.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.8 5.9 22.5
City: GALVA
State: IL
ID: USC00113335
Lat: 41.1739
Long: -90.0350
County: Henry
Elev: 810 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.1 35.2 48.1 61.7 72.4 81.6 84.6 82.7 76.0 63.6 48.4 34.0 60.0
Mean 21.3 26.0 37.6 49.7 60.8 70.1 73.5 71.4 63.6 51.7 38.7 25.2 49.3
Minimum 12.5 16.9 27.2 37.8 49.2 58.7 62.5 60.1 51.2 39.7 29.1 16.3 38.5
CDD 0 <0.5 1 9 53 182 271 212 81 9 <0.5 0 817
HDD 1355 1090 848 467 183 28 6 13 124 422 788 1235 6559
Precip 1.54 1.64 2.63 4.11 3.98 4.32 3.84 4.22 3.41 2.83 3.03 2.23 37.78
Snow 7.0 5.2 2.4 0.7 0.0 0.0 0.0 0.0 0.0 0.0 1.3 4.0 20.6
City: GEBHARD WOODS SP
State: IL
ID: USC00113369
Lat: 41.3500
Long: -88.4333
County: Grundy
Elev: 505 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.5 35.7 48.6 61.9 73.6 82.2 84.6 82.9 76.4 63.7 50.1 35.6 60.7
Mean 23.2 26.7 38.7 50.5 61.6 70.5 73.7 72.3 64.3 52.3 40.9 27.7 50.3
Minimum 14.9 17.7 28.7 39.2 49.7 58.9 62.9 61.8 52.1 40.8 31.7 19.8 40.0
CDD 0 0 1 8 62 193 275 238 90 8 <0.5 0 875
HDD 1295 1072 818 442 166 27 4 11 113 403 723 1156 6229
City: GENESEO
State: IL
ID: USC00113384
Lat: 41.4511
Long: -90.1486
County: Henry
Elev: 639 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.5 35.3 48.2 62.1 73.0 82.3 85.4 83.0 76.0 63.3 48.4 33.9 60.2
Mean 22.7 27.3 38.9 51.3 62.2 71.8 75.3 73.1 65.1 53.0 39.9 26.4 50.7
Minimum 14.9 19.3 29.5 40.5 51.4 61.3 65.3 63.1 54.2 42.7 31.3 18.9 41.1
CDD 0 <0.5 1 13 66 222 322 256 101 13 <0.5 0 995
HDD 1311 1056 812 424 153 18 2 7 98 385 755 1197 6216
Precip 1.42 1.62 2.69 3.66 4.20 4.06 4.05 4.41 3.35 3.38 2.80 2.17 37.81
Snow 8.0 4.9 2.4 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.9 8.2 25.2
City: GENOA 2 SW
State: IL
ID: USC00113392
Lat: 42.0744
Long: -88.7075
County: DeKalb
Elev: 850 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.45 1.62 2.25 3.31 4.88 4.47 3.77 5.38 3.29 2.82 2.46 1.97 37.67
City: GIBSON CITY
State: IL
ID: USC00113413
Lat: 40.4731
Long: -88.3653
County: Ford
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.4 36.3 48.1 61.5 72.4 81.5 83.9 82.5 76.9 63.7 49.3 35.0 60.3
Mean 24.5 29.0 39.5 50.5 61.4 70.7 73.6 71.6 65.0 52.5 41.1 28.0 50.7
Minimum 17.6 21.7 30.8 39.4 50.5 59.9 63.3 60.7 53.0 41.3 33.0 21.0 41.1
CDD 0 <0.5 1 9 61 199 270 217 100 11 <0.5 0 869
HDD 1255 1008 793 445 171 29 3 13 102 398 716 1147 6080
Precip 1.75 1.71 2.51 3.47 4.22 4.09 3.81 3.83 2.69 3.06 3.16 2.42 36.72
Snow 6.0 4.9 1.6 0.8 0.0 0.0 0.0 0.0 0.0 0.1 0.9 5.7 20.0
City: GLADSTONE DAM 18
State: IL
ID: USC00113455
Lat: 40.8825
Long: -91.0242
County: Henderson
Elev: 538 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.0 36.8 48.6 61.9 72.2 81.9 85.3 83.6 76.5 64.5 49.8 35.8 60.9
Mean 23.6 28.1 39.1 51.6 62.1 71.9 75.6 73.8 65.8 54.0 41.1 27.5 51.3
Minimum 15.2 19.4 29.5 41.3 51.9 62.0 65.9 64.0 55.2 43.5 32.4 19.3 41.7
CDD 0 0 1 8 61 226 329 277 106 12 <0.5 0 1020
HDD 1283 1033 805 410 153 18 1 4 80 353 717 1161 6018
Precip 1.22 1.47 2.49 3.62 4.38 4.65 4.19 3.75 3.60 2.79 2.62 1.97 36.75
City: GLEN ELLYN 4S
State: IL
ID: USC00113490
Lat: 41.8267
Long: -88.0581
County: DuPage
Elev: 685 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.87 1.89 2.48 3.44 4.41 4.06 4.23 4.18 3.43 3.12 3.32 2.33 38.76
City: GLENVIEW NAS
State: IL
ID: USW00014855
Lat: 42.0833
Long: -87.8333
County: Cook
Elev: 646 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.1 36.4 46.9 58.9 69.8 79.1 83.4 82.2 75.1 62.7 49.1 36.1 59.4
Mean 24.9 28.9 38.0 49.1 59.3 69.0 74.1 73.2 65.5 53.4 41.2 29.0 50.6
Minimum 17.7 21.3 29.1 39.3 48.9 58.8 64.7 64.2 55.9 44.0 33.4 21.9 41.7
CDD 0 0 1 11 50 167 284 262 110 10 <0.5 0 895
HDD 1243 1012 839 488 225 48 4 8 95 371 713 1116 6161
Precip 1.80 2.12 2.32 3.35 3.91 3.56 4.04 4.56 3.63 3.03 3.15 2.38 37.85
Snow 11.9 11.1 5.8 0.6 0.1 0.0 0.0 0.0 0.0 0.0 2.3 6.4 38.2
City: GOLDEN
State: IL
ID: USC00113530
Lat: 40.1064
Long: -91.0222
County: Adams
Elev: 718 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.4 38.3 50.4 63.1 73.3 82.5 86.1 85.2 78.0 65.6 50.9 36.8 62.1
Mean 24.7 28.8 39.9 51.9 62.3 71.8 75.4 74.0 65.6 53.9 41.2 28.4 51.6
Minimum 15.9 19.3 29.4 40.6 51.4 61.1 64.8 62.8 53.3 42.3 31.5 20.0 41.1
CDD 0 0 <0.5 12 63 221 325 285 116 15 1 0 1039
HDD 1251 1013 779 406 146 17 1 6 97 358 715 1134 5922
Precip 1.66 1.79 2.53 3.84 5.03 4.84 4.24 3.86 3.45 3.17 2.90 2.35 39.66
Snow 4.4 3.7 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.8 3.8 14.1
City: GRAFTON
State: IL
ID: USC00113572
Lat: 38.9681
Long: -90.4289
County: Jersey
Elev: 443 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.44 2.29 3.07 4.07 4.52 3.81 3.82 3.27 3.38 2.97 3.68 2.87 40.19
City: GRAND CHAIN DAM 53
State: IL
ID: USC00113580
Lat: 37.2036
Long: -89.0422
County: Pulaski
Elev: 385 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.1 46.7 56.7 67.3 75.8 84.3 88.6 88.1 81.9 70.1 57.7 44.8 67.1
Mean 33.8 38.1 46.4 56.5 65.8 73.9 78.5 77.8 70.8 59.0 48.3 36.9 57.3
Minimum 25.6 29.6 36.2 45.8 55.8 63.5 68.3 67.5 59.7 47.9 38.9 28.9 47.4
CDD 0 0 1 17 100 275 417 397 200 36 2 0 1447
HDD 966 752 576 271 75 8 1 <0.5 27 222 503 872 4273
Precip 3.85 3.90 4.48 4.81 4.96 4.30 3.36 2.87 3.30 4.06 4.51 4.60 49.00
Snow 2.1 3.3 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 1.8 8.0
City: GRAND TWR 2 N
State: IL
ID: USC00113595
Lat: 37.6592
Long: -89.5103
County: Jackson
Elev: 383 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.70 2.93 4.17 4.10 4.97 4.15 3.55 2.94 2.94 3.62 4.37 3.84 44.28
Snow 2.1 2.2 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 1.5 6.8
City: GRAYVILLE
State: IL
ID: USC00113612
Lat: 38.2758
Long: -87.9989
County: Edwards
Elev: 435 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.2 44.6 56.0 67.2 76.5 85.3 88.3 87.8 81.7 70.0 56.6 43.7 66.6
Mean 31.3 35.1 45.0 55.9 65.3 74.5 77.6 76.4 69.1 57.3 46.2 34.5 55.8
Minimum 22.4 25.5 33.9 44.5 54.1 63.7 66.9 65.0 56.5 44.6 35.8 25.3 44.9
CDD 0 <0.5 3 24 101 290 391 355 163 28 2 <0.5 1357
HDD 1044 838 624 299 92 5 <0.5 2 40 267 566 945 4723
Precip 3.07 3.10 4.28 4.35 5.78 3.93 4.08 3.33 3.20 3.67 4.49 3.69 46.97
City: GREENFIELD
State: IL
ID: USC00113666
Lat: 39.3425
Long: -90.2056
County: Greene
Elev: 548 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.14 2.16 3.12 4.02 4.56 4.27 3.63 3.06 3.14 3.20 3.89 3.00 40.19
Snow 4.9 4.2 2.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.5 17.1
City: GREENUP 3SE
State: IL
ID: USC00113683
Lat: 39.2283
Long: -88.1261
County: Cumberland
Elev: 545 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 3.02 2.39 3.20 3.95 4.60 4.06 4.18 3.20 2.96 3.51 3.83 2.78 41.68
Snow 4.5 3.6 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.8 12.8
City: GREENVILLE
State: IL
ID: USC00113693
Lat: 38.8664
Long: -89.4050
County: Bond
Elev: 541 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.29 2.27 3.23 3.63 4.74 3.70 3.91 2.79 2.82 3.50 3.97 2.68 39.53
Snow 4.4 4.8 1.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.6 13.8
City: GRIGGSVILLE
State: IL
ID: USC00113717
Lat: 39.7378
Long: -90.7086
County: Pike
Elev: 628 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.1 39.1 50.6 63.3 73.2 81.8 85.6 84.6 77.9 65.9 51.5 37.6 62.2
Mean 25.7 29.9 40.5 52.4 62.4 71.7 75.2 73.7 66.0 54.2 41.8 29.3 52.0
Minimum 17.3 20.8 30.3 41.5 51.5 61.6 64.8 62.8 54.2 42.4 32.1 21.0 41.8
CDD 0 <0.5 1 12 55 215 318 275 116 16 <0.5 0 1008
HDD 1218 981 762 390 137 14 2 5 85 352 696 1107 5749
Precip 1.90 1.85 2.84 3.71 4.52 4.38 4.35 3.00 3.39 2.93 3.34 2.37 38.58
Snow 4.0 4.9 2.2 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.9 17.7
City: GURNEE PUBLIC WORKS
State: IL
ID: USC00113738
Lat: 42.3656
Long: -87.9533
County: Lake
Elev: 680 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.80 1.82 2.35 3.59 3.96 3.69 3.79 2.90 3.29 2.85 2.90 2.28 35.22
City: HAMMOND
State: IL
ID: USC00113774
Lat: 39.8014
Long: -88.5928
County: Piatt
Elev: 660 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.84 2.01 2.46 3.91 4.61 4.79 4.48 3.18 2.98 3.26 3.80 2.75 40.07
Snow 3.7 1.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.2 6.7
City: HARRISBURG
State: IL
ID: USC00113879
Lat: 37.7408
Long: -88.5244
County: Saline
Elev: 365 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 41.7 46.9 57.4 68.8 77.1 85.2 88.6 88.3 81.7 70.8 57.7 44.9 67.5
Mean 32.5 36.9 46.2 56.9 66.0 74.5 77.9 76.8 69.0 57.6 46.9 35.7 56.5
Minimum 23.2 26.9 35.0 45.0 54.9 63.8 67.3 65.2 56.3 44.5 36.1 26.5 45.5
CDD 0 <0.5 3 32 111 292 402 366 169 28 3 <0.5 1406
HDD 1009 787 586 275 80 7 <0.5 1 49 256 546 908 4505
Precip 3.42 3.42 4.67 4.43 5.07 4.46 3.75 3.00 3.05 3.75 4.50 3.94 47.46
Snow 1.3 1.5 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.9
City: HARVARD
State: IL
ID: USC00113902
Lat: 42.4147
Long: -88.6308
County: McHenry
Elev: 910 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.45 1.54 2.23 3.42 4.05 4.40 3.63 4.29 3.73 2.85 2.84 1.98 36.41
Snow 9.6 6.9 3.6 0.8 0.0 0.0 0.0 0.0 0.0 0.0 1.3 7.3 29.5
City: HAVANA
State: IL
ID: USC00113940
Lat: 40.3031
Long: -90.0656
County: Mason
Elev: 440 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.4 39.5 51.8 64.5 74.9 84.7 88.6 87.0 80.3 68.0 52.9 38.1 63.8
Mean 25.3 29.8 40.9 52.5 63.2 73.0 76.6 74.7 66.6 54.6 42.3 29.0 52.5
Minimum 16.3 20.1 30.0 40.5 51.4 61.2 64.7 62.3 52.9 41.2 31.8 19.9 41.1
CDD 0 <0.5 1 15 78 255 362 303 129 18 1 0 1162
HDD 1229 985 749 390 135 17 1 4 81 340 680 1116 5727
Precip 2.08 2.10 2.81 3.67 4.79 4.36 4.04 3.76 3.15 3.04 3.24 2.76 39.80
Snow 8.2 7.1 3.1 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.8 7.9 28.0
City: HENNEPIN WTR TRMT PLT
State: IL
ID: USC00114013
Lat: 41.2647
Long: -89.3381
County: Putnam
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.4 37.0 49.5 63.0 73.7 83.0 86.4 84.6 78.4 65.6 50.6 36.4 61.8
Mean 23.0 27.4 38.7 50.8 61.4 70.9 74.6 72.8 65.1 53.0 40.4 27.2 50.6
Minimum 13.7 17.8 28.0 38.5 49.1 58.8 62.7 60.9 51.9 40.3 30.2 18.1 39.3
CDD 0 <0.5 1 12 59 201 299 251 105 13 <0.5 0 942
HDD 1300 1053 815 440 170 25 3 10 101 386 739 1170 6212
Precip 1.74 1.71 2.55 3.02 3.93 3.87 4.02 4.18 3.36 2.97 3.04 1.79 36.18
Snow 4.2 3.8 1.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 5.3 15.5
City: HIDALGO 3SW
State: IL
ID: USC00114078
Lat: 39.1397
Long: -88.1906
County: Jasper
Elev: 500 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.5 43.4 55.5 67.4 75.6 83.9 87.4 86.2 80.2 69.3 55.0 41.6 65.4
Mean 30.0 34.0 44.6 55.8 64.5 73.2 76.7 75.0 67.9 57.1 45.3 33.1 54.8
Minimum 21.4 24.5 33.7 44.1 53.3 62.4 66.0 63.7 55.5 44.9 35.6 24.6 44.2
CDD 0 0 3 17 70 248 362 309 129 29 <0.5 0 1168
HDD 1086 869 636 295 87 4 <0.5 1 44 274 591 988 4875
Precip 2.92 2.53 3.41 4.15 5.00 4.54 4.54 3.01 3.17 3.75 4.06 3.41 44.49
City: HIGHLAND
State: IL
ID: USC00114089
Lat: 38.7583
Long: -89.6556
County: Madison
Elev: 525 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.45 2.52 3.59 4.09 4.93 4.11 3.99 3.53 3.22 3.70 4.38 3.13 43.64
Snow 4.3 2.3 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.9 10.8
City: HILLSBORO
State: IL
ID: USC00114108
Lat: 39.1500
Long: -89.4833
County: Montgomery
Elev: 630 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.0 43.8 55.1 67.6 77.2 85.7 89.3 88.0 81.2 69.4 54.8 41.3 66.1
Mean 29.8 34.5 44.9 56.5 66.1 75.1 78.7 77.0 69.0 57.8 45.5 33.3 55.8
Minimum 21.5 25.2 34.7 45.4 55.0 64.4 68.1 66.0 56.8 46.1 36.2 25.3 45.5
CDD 0 <0.5 4 30 116 308 425 373 168 33 2 <0.5 1459
HDD 1092 854 627 285 82 7 <0.5 1 48 258 587 982 4824
Precip 2.51 2.32 2.96 4.17 5.21 3.63 3.94 3.02 3.37 3.36 4.03 2.87 41.39
Snow 6.2 3.1 1.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 14.6
City: HOOPESTON 1NE
State: IL
ID: USC00114198
Lat: 40.4742
Long: -87.6564
County: Vermilion
Elev: 710 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.8 38.1 50.4 63.4 73.8 83.1 85.4 84.0 78.3 65.6 51.2 37.2 62.1
Mean 25.6 29.3 40.4 52.5 63.0 72.8 75.3 73.6 66.5 54.8 42.2 29.7 52.2
Minimum 17.5 20.6 30.4 41.5 52.3 62.5 65.3 63.2 54.6 44.0 33.3 22.1 42.4
CDD 0 <0.5 1 14 80 250 322 272 122 18 1 <0.5 1079
HDD 1220 998 764 390 141 16 1 5 78 334 683 1096 5726
Precip 1.76 1.90 2.79 3.62 4.67 4.38 4.39 4.06 2.76 3.49 3.23 2.31 39.36
Snow 4.7 4.8 1.6 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.4 5.7 17.7
City: HUTSONVILLE PWR PLT
State: IL
ID: USC00114317
Lat: 39.1331
Long: -87.6586
County: Sullivan
Elev: 455 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.6 42.2 54.6 66.1 76.2 86.1 89.8 88.8 81.3 69.1 55.8 41.3 65.8
Mean 28.8 33.3 43.3 54.5 65.0 75.0 78.1 76.6 68.6 56.5 45.1 32.6 54.9
Minimum 20.0 24.4 31.9 42.9 53.8 63.9 66.4 64.3 55.9 43.9 34.3 23.9 43.9
CDD 0 0 1 14 84 302 406 358 156 30 <0.5 0 1352
HDD 1122 887 675 330 84 2 0 <0.5 48 294 599 1004 5045
Precip 2.62 2.59 3.61 4.32 5.09 4.20 4.77 2.97 3.56 3.64 4.07 3.29 44.73
Snow 2.3 1.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.1 6.8
City: ILLINOIS CITY DAM 16
State: IL
ID: USC00114355
Lat: 41.4256
Long: -91.0094
County: Rock Island
Elev: 550 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.12 1.35 2.49 3.28 4.46 4.68 3.85 4.19 3.40 2.96 2.26 1.75 35.79
Snow 8.8 7.7 2.3 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.1 5.0 24.3
City: IUKA 12 SW
State: IL
ID: USC00114400
Lat: 38.4931
Long: -88.9703
County: Marion
Elev: 570 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.4 43.9 54.5 66.0 74.4 83.9 88.2 87.6 79.9 68.9 55.3 41.4 65.3
Mean 29.1 33.8 43.8 54.5 63.2 72.9 76.9 75.5 67.1 56.3 45.0 32.5 54.3
Minimum 19.8 23.7 33.1 43.0 52.1 62.0 65.5 63.5 54.3 43.7 34.8 23.6 43.4
CDD 0 0 3 17 75 250 368 330 126 26 2 <0.5 1196
HDD 1113 873 660 332 129 12 1 3 63 295 600 1007 5089
Precip 2.81 2.69 3.85 4.13 5.37 3.99 3.60 3.06 3.05 3.64 4.28 3.48 43.95
City: JACKSONVILLE 2
State: IL
ID: USC00114447
Lat: 39.7136
Long: -90.2289
County: Morgan
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.8 40.9 52.6 65.2 75.4 83.8 88.1 86.6 79.8 67.6 53.2 39.1 64.1
Mean 26.9 30.9 41.7 53.7 63.9 73.0 77.1 75.3 67.3 55.3 43.1 30.4 53.3
Minimum 18.0 20.9 30.7 42.2 52.3 62.1 66.0 63.9 54.7 42.9 32.9 21.7 42.5
CDD 0 0 2 15 67 244 374 319 123 24 <0.5 0 1167
HDD 1181 954 726 354 102 6 <0.5 1 56 326 659 1072 5438
Precip 2.04 1.93 3.06 3.93 4.51 4.48 3.86 3.51 3.68 3.19 3.47 2.74 40.40
City: JACKSONVILLE 2E
State: IL
ID: USC00114442
Lat: 39.7347
Long: -90.1978
County: Morgan
Elev: 610 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.5 40.6 52.2 64.7 74.4 83.0 86.4 85.1 79.3 67.2 53.2 39.2 63.5
Mean 26.4 30.5 40.7 52.1 62.1 71.2 74.8 73.0 65.7 54.2 42.5 29.9 52.0
Minimum 17.2 20.4 29.3 39.6 49.9 59.4 63.2 60.9 52.1 41.2 31.8 20.6 40.6
CDD 0 <0.5 2 13 64 207 306 257 111 17 1 0 977
HDD 1198 966 753 398 153 22 2 9 90 351 676 1088 5706
Precip 1.59 1.69 2.72 4.03 4.81 4.58 3.95 3.42 3.53 3.01 3.62 2.50 39.45
Snow 4.5 4.6 2.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.2 17.4
City: JERSEYVILLE 2 SW
State: IL
ID: USC00114489
Lat: 39.1053
Long: -90.3419
County: Jersey
Elev: 630 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.7 41.9 52.9 65.2 74.6 83.2 87.1 86.1 79.1 67.4 53.8 40.1 64.1
Mean 27.9 32.4 42.6 53.8 63.7 72.6 76.4 74.6 66.7 55.1 43.9 31.3 53.5
Minimum 19.0 22.9 32.3 42.3 52.8 62.0 65.7 63.1 54.2 42.9 34.0 22.4 42.9
CDD 0 <0.5 3 19 81 243 354 302 126 18 1 0 1147
HDD 1152 913 697 356 121 15 1 5 77 324 634 1046 5340
Precip 2.17 2.25 3.24 3.88 4.61 3.84 3.62 3.17 3.41 3.21 4.08 3.12 40.60
Snow 3.9 3.4 1.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.6 3.6 13.2
City: JOLIET BRANDON RD DAM
State: IL
ID: USC00114530
Lat: 41.5033
Long: -88.1028
County: Will
Elev: 543 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.4 36.0 47.4 60.6 71.4 80.9 84.2 82.4 76.3 63.8 49.4 35.2 60.0
Mean 24.0 28.2 38.4 49.9 60.1 70.3 74.1 72.5 65.4 53.2 41.3 28.1 50.6
Minimum 16.6 20.4 29.3 39.2 48.7 59.7 63.9 62.7 54.5 42.7 33.2 20.9 41.1
CDD 0 <0.5 <0.5 8 45 190 283 240 103 12 <0.5 0 882
HDD 1271 1030 827 461 199 31 3 6 91 376 711 1145 6151
Precip 1.80 1.71 2.25 3.49 4.08 3.88 4.33 4.16 3.01 2.84 3.06 2.20 36.81
City: KANKAKEE WASTEWATER
State: IL
ID: USC00114603
Lat: 41.1381
Long: -87.8856
County: Kankakee
Elev: 640 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.0 36.5 48.0 61.0 71.8 81.6 84.6 82.9 77.2 64.4 49.9 35.7 60.6
Mean 24.3 28.3 38.8 50.4 61.1 71.1 74.7 72.8 65.7 53.3 41.4 28.1 50.9
Minimum 16.5 20.1 29.6 39.8 50.4 60.5 64.9 62.7 54.2 42.2 32.9 20.6 41.3
CDD 0 <0.5 <0.5 8 58 208 304 249 111 12 <0.5 0 951
HDD 1263 1027 813 446 179 27 2 8 90 375 708 1142 6079
Precip 1.99 1.86 2.54 3.48 4.81 4.14 4.65 3.31 3.19 3.11 3.48 2.60 39.16
Snow 7.9 5.4 2.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.6 6.3 23.5
City: KASKASKIA RVR NAV LOCK
State: IL
ID: USC00114629
Lat: 37.9842
Long: -89.9492
County: Randolph
Elev: 380 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.9 46.0 56.7 68.3 77.6 86.4 90.2 89.2 81.4 69.7 56.6 43.3 67.3
Mean 31.9 35.9 45.7 56.4 66.2 75.2 79.2 77.5 69.3 57.8 46.6 34.7 56.5
Minimum 22.9 25.9 34.8 44.6 54.9 64.1 68.1 65.7 57.1 45.9 36.5 26.1 45.6
CDD <0.5 <0.5 3 29 119 313 439 388 176 32 2 <0.5 1502
HDD 1026 813 600 285 80 6 <0.5 2 49 255 556 939 4612
Precip 2.44 2.21 3.35 3.77 5.20 3.89 3.81 3.40 3.46 3.49 4.24 3.68 42.94
Snow 1.0 1.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.6 4.5
City: KEITHSBURG
State: IL
ID: USC00114655
Lat: 41.0994
Long: -90.9394
County: Mercer
Elev: 550 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.42 1.66 3.00 3.47 4.22 4.41 4.01 3.90 3.56 2.90 2.45 2.03 37.03
Snow 6.1 4.4 2.5 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.6 19.5
City: KEWANEE 1 E
State: IL
ID: USC00114710
Lat: 41.2428
Long: -89.8997
County: Henry
Elev: 780 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.6 34.5 47.1 60.6 71.2 80.4 83.5 81.9 75.3 63.0 48.2 33.5 59.2
Mean 21.3 25.8 37.0 49.2 60.1 69.9 73.1 71.2 63.1 51.3 38.9 25.4 49.0
Minimum 13.0 17.0 26.9 37.7 49.0 59.3 62.8 60.4 50.8 39.6 29.7 17.4 38.7
CDD 0 <0.5 <0.5 7 45 174 257 204 70 7 <0.5 0 764
HDD 1354 1099 868 482 197 29 5 13 129 432 782 1226 6615
Precip 1.59 1.74 2.63 3.43 4.14 4.58 3.94 4.22 3.51 2.87 2.83 2.12 37.60
Snow 7.9 6.2 2.7 0.8 0.0 0.0 0.0 0.0 0.0 0.2 0.7 8.1 26.6
City: KINCAID 3W
State: IL
ID: USC00114739
Lat: 39.5894
Long: -89.4556
County: Christian
Elev: 580 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.11 2.06 2.90 3.57 4.90 4.47 3.63 3.05 3.12 3.22 3.64 2.61 39.28
Snow 4.8 4.9 1.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.2 14.9
City: KINMUNDY
State: IL
ID: USC00114756
Lat: 38.7706
Long: -88.8556
County: Marion
Elev: 596 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.55 2.44 3.72 3.69 4.96 4.30 4.43 3.40 3.17 3.53 4.10 3.10 43.39
Snow 5.5 3.9 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.8 3.3 15.0
City: KNOXVILLE
State: IL
ID: USC00114780
Lat: 40.9033
Long: -90.2892
County: Knox
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.1 36.5 48.7 61.6 71.8 81.0 83.7 82.7 76.4 63.8 49.4 35.3 60.3
Mean 22.6 27.5 38.4 50.4 60.9 70.8 73.9 72.8 64.9 52.6 40.0 26.7 50.2
Minimum 14.0 18.5 28.0 39.1 50.0 60.6 64.0 62.8 53.4 41.3 30.6 18.1 40.1
CDD 0 0 <0.5 5 41 190 276 244 86 14 0 0 857
HDD 1316 1050 826 444 168 17 2 4 90 400 750 1187 6254
Precip 1.88 1.97 2.79 3.95 4.86 4.51 4.29 4.19 3.80 3.17 2.76 2.45 40.62
Snow 6.7 5.7 3.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.6 8.5 25.2
City: LA GRANGE
State: IL
ID: USC00114816
Lat: 41.7953
Long: -87.8708
County: Cook
Elev: 659 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.94 1.93 2.54 3.72 4.21 4.11 2.92 4.55 3.34 3.26 3.45 2.76 38.73
City: LA HARPE
State: IL
ID: USC00114823
Lat: 40.5839
Long: -90.9686
County: Hancock
Elev: 690 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.1 37.9 50.2 63.0 73.1 82.3 86.1 84.5 77.2 65.3 50.6 36.6 61.8
Mean 24.1 28.3 39.8 51.7 62.1 71.7 75.3 73.5 65.3 53.4 40.6 27.7 51.2
Minimum 15.1 18.7 29.3 40.5 51.1 61.0 64.5 62.6 53.4 41.5 30.6 18.9 40.7
CDD 0 <0.5 1 12 63 219 321 270 107 13 <0.5 0 1006
HDD 1268 1027 784 410 153 19 1 5 98 373 732 1155 6025
Precip 1.49 1.75 2.66 3.90 4.80 4.75 4.64 3.73 3.79 3.09 2.94 2.28 39.82
City: LACON 1N
State: IL
ID: USC00114805
Lat: 41.0411
Long: -89.4061
County: Marshall
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.7 38.8 51.1 65.1 75.0 84.0 87.1 85.6 78.9 66.5 51.6 37.0 63.0
Mean 26.1 30.4 41.4 53.6 63.5 72.6 76.2 74.5 67.0 55.1 42.6 29.5 52.8
Minimum 18.5 22.0 31.6 42.2 51.9 61.2 65.3 63.4 55.0 43.7 33.6 22.0 42.6
CDD 0 <0.5 2 18 79 242 348 299 132 20 <0.5 0 1141
HDD 1206 969 735 359 127 14 1 4 74 327 673 1100 5588
Precip 1.92 1.84 3.05 3.71 4.41 3.86 3.72 3.56 3.19 3.11 3.17 2.29 37.83
Snow 7.0 5.2 3.0 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.8 6.2 23.0
City: LAKE SPRINGFIELD
State: IL
ID: USC00114833
Lat: 39.7578
Long: -89.6044
County: Sangamon
Elev: 587 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.96 2.20 2.76 3.54 4.39 4.35 3.71 3.02 2.91 3.10 3.39 2.41 37.74
City: LAKE VILLA 2NE
State: IL
ID: USC00114837
Lat: 42.4308
Long: -88.0594
County: Lake
Elev: 840 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.7 33.8 44.9 57.5 68.8 78.3 82.5 80.5 72.6 60.1 46.9 33.6 57.5
Mean 22.2 25.9 36.0 47.5 58.0 67.8 72.6 71.2 63.3 51.2 39.0 26.2 48.5
Minimum 14.7 18.0 27.1 37.5 47.3 57.2 62.6 61.9 54.0 42.3 31.2 18.8 39.5
CDD 0 0 <0.5 7 36 140 241 204 70 7 <0.5 0 705
HDD 1327 1095 899 531 251 57 7 12 121 435 779 1203 6717
Precip 1.99 1.76 2.55 3.79 3.88 3.86 4.03 3.65 3.21 2.83 2.83 2.39 36.77
Snow 15.1 9.2 5.2 1.3 0.1 0.0 0.0 0.0 0.0 0.2 3.2 9.5 43.8
City: LANARK
State: IL
ID: USC00114879
Lat: 42.0925
Long: -89.8422
County: Carroll
Elev: 830 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.30 1.41 2.44 3.40 4.01 4.94 4.78 4.15 3.15 2.97 2.72 1.70 36.97
City: LANSING
State: IL
ID: USC00114890
Lat: 41.5419
Long: -87.5414
County: Cook
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.92 1.80 2.38 3.99 3.18 2.94 4.37 4.23 3.17 2.99 3.04 2.57 36.58
City: LAWRENCEVILLE INTL AP
State: IL
ID: USW00013809
Lat: 38.7642
Long: -87.6056
County: Lawrence
Elev: 429 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.2 44.2 55.3 66.7 76.6 85.2 88.3 87.5 81.9 69.5 55.8 42.3 66.1
Mean 31.1 35.5 45.0 56.0 66.0 74.5 77.8 76.4 69.5 57.7 46.3 34.6 56.0
Minimum 22.9 26.9 34.7 45.3 55.4 63.7 67.4 65.4 57.0 45.9 36.9 27.0 45.8
CDD 0 <0.5 2 24 113 290 398 356 171 32 1 <0.5 1387
HDD 1052 824 622 294 82 7 <0.5 1 38 258 561 941 4680
Precip 2.38 2.01 3.43 4.16 5.58 3.98 4.42 3.39 3.19 3.98 3.97 3.39 43.88
City: LAWRENCEVILLE
State: IL
ID: USC00114957
Lat: 38.7267
Long: -87.6900
County: Lawrence
Elev: 442 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.5 43.4 54.0 65.9 75.8 85.0 88.3 86.8 80.7 68.6 55.6 41.9 65.5
Mean 30.5 34.4 43.9 54.7 64.8 74.0 77.3 75.7 68.6 56.8 45.8 33.8 55.1
Minimum 22.5 25.4 33.7 43.5 53.7 63.1 66.3 64.7 56.4 44.9 36.0 25.7 44.8
CDD 0 <0.5 2 16 97 281 381 335 158 26 2 <0.5 1297
HDD 1069 857 657 325 104 9 <0.5 2 52 282 578 967 4902
Precip 2.83 2.59 3.73 4.09 5.80 4.21 4.31 2.96 3.37 3.87 4.22 3.53 45.51
Snow 4.3 4.5 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.3 4.7 15.7
City: LEBANON
State: IL
ID: USC00114991
Lat: 38.6003
Long: -89.8178
County: St. Clair
Elev: 498 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.4 44.4 55.4 67.0 76.1 85.0 88.4 87.5 80.5 69.2 55.9 42.1 66.0
Mean 30.0 34.1 44.1 55.2 64.7 73.9 77.7 76.1 67.8 56.7 45.1 33.0 54.9
Minimum 20.5 23.7 32.7 43.4 53.2 62.8 67.0 64.7 55.1 44.2 34.2 23.9 43.9
CDD 0 0 3 19 92 274 394 346 133 26 1 0 1287
HDD 1086 866 652 313 103 8 <0.5 2 49 283 600 992 4953
Precip 2.56 2.68 3.57 4.06 4.70 4.01 4.26 3.55 3.58 3.71 4.53 3.07 44.28
City: LEWISTOWN
State: IL
ID: USC00115038
Lat: 40.3969
Long: -90.1539
County: Fulton
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.89 1.52 2.64 4.04 4.15 4.17 4.57 3.81 3.59 2.91 3.06 2.50 38.85
City: LINCOLN
State: IL
ID: USC00115079
Lat: 40.1514
Long: -89.3381
County: Logan
Elev: 583 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.8 38.8 51.1 63.9 74.3 83.1 85.5 84.0 78.3 65.6 51.2 37.3 62.3
Mean 25.9 30.4 41.1 52.4 63.0 72.1 75.0 73.0 65.9 53.8 42.1 29.5 52.1
Minimum 18.0 22.0 31.2 40.9 51.8 61.2 64.5 62.0 53.6 42.0 33.0 21.8 41.9
CDD 0 <0.5 2 13 76 232 311 255 114 14 <0.5 0 1017
HDD 1212 969 741 391 136 17 2 7 86 361 687 1099 5708
Precip 1.93 1.82 2.60 3.61 4.16 4.32 5.06 3.92 3.21 3.08 3.25 2.64 39.60
Snow 5.9 5.8 1.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 6.2 20.5
City: LISLE-MORTON ARBORETUM
State: IL
ID: USC00115097
Lat: 41.8128
Long: -88.0728
County: DuPage
Elev: 680 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.7 35.5 46.9 59.6 69.7 80.1 83.8 81.2 74.8 62.5 48.5 35.1 59.1
Mean 22.7 26.2 36.5 48.3 58.5 69.1 72.8 70.6 62.9 50.9 38.6 27.0 48.8
Minimum 14.7 16.9 26.1 37.0 47.2 58.0 61.7 60.0 50.9 39.3 28.6 18.8 38.4
CDD 0 0 0 1 25 155 245 194 55 7 <0.5 0 683
HDD 1311 1086 884 503 228 34 5 20 119 444 793 1179 6607
Precip 1.87 1.85 2.46 3.60 4.04 4.22 3.70 4.27 3.51 3.08 3.33 2.59 38.52
City: LITTLE RED SCHOOL HSE
State: IL
ID: USC00115110
Lat: 41.7156
Long: -87.8825
County: Cook
Elev: 715 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.09 1.84 2.38 3.69 4.26 4.20 4.22 4.48 3.35 2.99 3.51 2.61 39.62
Snow 10.3 6.6 3.5 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.9 7.7 29.4
City: LOAMI 3SSW
State: IL
ID: USC00115113
Lat: 39.6314
Long: -89.8744
County: Sangamon
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.3 39.4 51.2 64.0 74.3 82.6 85.3 85.0 79.3 67.1 52.8 38.5 62.9
Mean 25.9 30.2 40.9 52.7 63.3 72.2 75.2 73.9 66.6 54.7 42.8 29.8 52.4
Minimum 17.4 20.9 30.6 41.4 52.2 61.7 65.1 62.8 53.9 42.2 32.7 21.1 41.9
CDD 0 0 1 15 77 229 317 281 117 18 1 0 1054
HDD 1213 976 748 384 131 14 1 5 69 339 668 1091 5639
Precip 1.95 1.88 2.75 3.78 4.56 4.74 3.78 3.26 3.37 3.11 3.44 2.55 39.17
City: LOUISVILLE
State: IL
ID: USC00115209
Lat: 38.7725
Long: -88.5011
County: Clay
Elev: 480 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.84 2.61 3.75 4.06 5.23 4.37 4.24 3.51 3.34 3.53 4.26 3.34 45.08
City: LOVINGTON
State: IL
ID: USC00115219
Lat: 39.7122
Long: -88.6300
County: Moultrie
Elev: 632 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.08 2.14 2.83 3.88 4.76 4.46 4.51 3.17 3.38 3.50 3.76 3.04 41.51
City: MACKINAW 1N
State: IL
ID: USC00115272
Lat: 40.5514
Long: -89.3342
County: Tazewell
Elev: 710 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.03 1.83 2.78 3.71 4.27 3.74 4.34 3.50 3.25 2.95 3.38 2.70 38.48
Snow 7.7 6.8 2.3 0.7 0.0 0.0 0.0 0.0 0.0 0.1 0.9 6.6 25.1
City: MACOMB
State: IL
ID: USC00115280
Lat: 40.4792
Long: -90.6692
County: McDonough
Elev: 610 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.60 1.76 2.69 3.69 4.34 4.49 4.13 3.51 3.60 3.31 2.79 2.26 38.17
City: MANHATTAN 4 SW
State: IL
ID: USC00115313
Lat: 41.3639
Long: -87.9989
County: Will
Elev: 665 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.59 1.56 2.43 3.34 4.08 3.90 4.64 3.82 3.22 3.13 3.40 1.83 36.94
City: MARENGO
State: IL
ID: USC00115326
Lat: 42.2928
Long: -88.6469
County: McHenry
Elev: 815 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.9 33.4 45.0 58.8 70.2 80.3 83.6 81.9 74.9 62.4 47.1 32.7 58.4
Mean 20.4 24.8 35.5 47.7 58.5 68.4 72.4 70.7 62.9 50.8 38.2 24.5 48.0
Minimum 11.9 16.2 26.0 36.5 46.9 56.6 61.3 59.5 50.9 39.2 29.2 16.3 37.6
CDD 0 0 <0.5 7 38 150 239 195 75 8 <0.5 0 712
HDD 1382 1125 915 527 238 47 9 18 138 448 806 1255 6908
Precip 1.28 1.37 2.08 3.43 4.05 4.32 3.82 4.68 3.03 2.83 2.59 2.03 35.51
Snow 8.0 7.8 3.7 0.9 0.1 0.0 0.0 0.0 0.0 0.1 1.7 8.7 31.0
City: MARION 4 NNE
State: IL
ID: USC00115342
Lat: 37.7747
Long: -88.8981
County: Williamson
Elev: 477 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.4 43.7 53.8 65.6 74.5 81.6 85.9 85.4 78.5 66.7 54.6 41.4 64.3
Mean 29.8 34.1 43.4 54.1 63.6 71.7 75.8 74.4 66.7 55.1 44.6 32.9 54.0
Minimum 21.2 24.5 33.1 42.6 52.7 61.7 65.7 63.5 55.0 43.6 34.7 24.4 43.6
CDD <0.5 <0.5 2 17 76 217 336 297 127 20 2 <0.5 1095
HDD 1091 865 670 344 120 18 1 4 75 326 613 995 5121
Precip 3.26 3.30 4.36 4.99 5.95 4.36 4.26 2.87 2.82 3.72 4.62 4.03 48.54
Snow 4.2 5.1 1.5 0.1 0.0 0.0 0.0 0.0 0.0 0.4 0.1 3.0 14.4
City: MARSEILLES LOCK
State: IL
ID: USC00115372
Lat: 41.3286
Long: -88.7533
County: La Salle
Elev: 490 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.6 35.1 47.2 60.8 71.8 80.2 83.3 82.0 76.0 63.5 48.8 34.6 59.6
Mean 22.3 26.3 37.2 49.3 60.0 69.0 72.5 71.1 64.0 52.1 39.7 26.5 49.3
Minimum 14.0 17.6 27.3 37.7 48.2 57.9 61.7 60.3 52.0 40.8 30.6 18.4 39.0
CDD 0 0 <0.5 6 47 157 237 199 77 13 <0.5 0 736
HDD 1323 1082 860 478 202 35 4 9 108 411 759 1193 6466
Precip 1.82 1.64 2.72 3.33 4.28 4.19 4.13 4.12 3.47 3.01 3.32 2.34 38.37
Snow 8.0 6.2 2.3 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.8 23.3
City: MARTINSVILLE 10S
State: IL
ID: USC00115385
Lat: 39.1908
Long: -87.8950
County: Clark
Elev: 560 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.73 2.42 3.56 4.19 4.69 4.89 4.24 3.24 3.47 3.65 4.30 3.42 44.80
City: MASON CITY 2N
State: IL
ID: USC00115413
Lat: 40.2272
Long: -89.6947
County: Mason
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.6 38.0 50.9 64.2 73.9 82.9 85.7 84.4 78.5 66.4 51.3 36.9 62.3
Mean 24.8 28.7 40.2 52.8 62.9 72.3 75.2 73.5 66.1 54.5 41.3 28.5 51.8
Minimum 16.0 19.4 29.5 41.4 51.9 61.8 64.7 62.6 53.6 42.7 31.2 20.1 41.3
CDD 0 0 1 12 73 236 317 269 114 18 <0.5 0 1041
HDD 1246 1016 770 378 138 15 1 6 82 342 713 1131 5839
Precip 1.92 1.61 2.49 3.61 4.07 4.04 4.60 3.29 3.04 2.87 3.11 2.33 36.98
Snow 5.3 4.3 1.4 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.2 3.2 14.7
City: MATTOON COLES CO AP
State: IL
ID: USW00053802
Lat: 39.4781
Long: -88.2803
County: Coles
Elev: 721 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.8 39.7 52.2 63.6 73.4 82.0 85.7 84.9 78.3 65.6 51.6 38.4 62.6
Mean 27.1 31.8 42.5 53.5 63.2 71.9 75.6 73.9 66.7 54.9 43.2 31.3 53.1
Minimum 19.5 24.0 32.8 43.3 53.1 61.8 65.6 62.9 55.2 44.1 34.8 24.2 43.5
CDD 0 0 1 13 74 223 330 279 118 19 <0.5 0 1059
HDD 1173 928 699 359 128 17 1 4 66 333 655 1044 5406
Precip 2.21 1.77 2.57 3.43 4.37 4.24 4.25 3.06 3.07 2.83 3.48 2.77 38.05
City: MATTOON
State: IL
ID: USC00115430
Lat: 39.4725
Long: -88.3544
County: Coles
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.0 39.8 51.5 64.4 74.6 83.6 86.5 85.0 79.3 66.2 52.1 38.2 63.1
Mean 27.7 31.9 42.3 54.1 64.2 73.5 76.6 74.8 68.0 56.1 43.6 31.0 53.8
Minimum 20.5 24.1 33.1 43.8 53.8 63.4 66.7 64.6 56.6 46.0 35.1 23.8 44.4
CDD 0 <0.5 2 17 89 267 360 307 148 22 1 0 1212
HDD 1155 925 706 344 114 12 <0.5 3 59 298 643 1054 5313
Precip 2.26 2.14 2.71 4.01 4.17 4.11 4.22 2.89 3.22 3.56 3.85 2.96 40.10
Snow 5.8 3.0 1.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.4 3.7 14.4
City: MCHENRY-WG STRATTON LD
State: IL
ID: USC00115493
Lat: 42.3103
Long: -88.2525
County: McHenry
Elev: 742 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.3 33.0 44.2 57.3 68.4 78.2 81.7 80.4 73.3 60.8 46.4 32.2 57.1
Mean 20.1 24.5 35.1 47.2 57.7 67.3 71.4 70.1 62.3 49.7 38.0 24.6 47.4
Minimum 11.9 16.1 26.1 37.0 47.0 56.3 61.1 59.7 51.2 38.6 29.6 17.1 37.8
CDD 0 <0.5 <0.5 5 35 129 211 176 60 5 <0.5 0 621
HDD 1392 1132 926 540 261 62 13 19 143 480 810 1250 7027
Precip 1.39 1.43 2.03 3.26 4.09 4.10 3.90 4.16 3.07 2.93 2.66 1.87 34.89
Snow 10.9 8.1 4.1 0.7 0.0 0.0 0.0 0.0 0.0 0.0 1.3 9.2 34.3
City: MCLEANSBORO
State: IL
ID: USC00115515
Lat: 38.0844
Long: -88.5425
County: Hamilton
Elev: 446 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.0 45.2 55.7 66.4 76.0 85.0 88.6 88.3 81.7 69.8 56.7 43.4 66.5
Mean 30.7 35.2 44.7 55.1 64.7 73.7 77.0 75.7 68.4 56.9 45.8 33.8 55.3
Minimum 21.5 25.2 33.7 43.9 53.5 62.5 65.5 63.1 55.0 44.1 34.8 24.3 44.0
CDD 0 <0.5 3 21 92 272 374 334 155 27 2 0 1280
HDD 1062 834 633 316 100 9 1 2 54 276 580 965 4833
Precip 3.06 2.89 4.50 4.40 5.38 4.01 3.59 3.02 3.10 3.61 4.39 3.93 45.88
Snow 3.9 4.1 1.8 0.2 0.0 0.0 0.0 0.0 0.0 0.3 0.1 3.7 14.1
City: MEDORA 1 S
State: IL
ID: USC00115539
Lat: 39.1564
Long: -90.1392
County: Macoupin
Elev: 607 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.16 2.29 3.04 3.86 4.93 3.40 3.58 3.15 3.24 3.36 3.60 2.72 39.33
Snow 4.9 5.0 2.3 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.8 3.6 17.0
City: MENDOTA 2 SE
State: IL
ID: USC00115562
Lat: 41.5294
Long: -89.1267
County: La Salle
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.69 1.60 2.40 3.30 4.24 4.05 4.23 4.09 3.41 2.94 3.02 2.16 37.13
City: MILFORD 5 NW
State: IL
ID: USC00115646
Lat: 40.6828
Long: -87.7575
County: Iroquois
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.90 1.81 2.70 3.59 4.38 4.08 4.55 3.54 2.86 3.31 3.24 2.52 38.48
City: MINONK
State: IL
ID: USC00115712
Lat: 40.9125
Long: -89.0342
County: Woodford
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.2 37.1 49.1 62.7 73.7 82.9 85.9 84.2 78.3 65.3 50.4 36.0 61.6
Mean 23.2 27.8 38.7 50.7 61.5 71.1 74.4 72.4 65.2 53.0 40.6 27.3 50.6
Minimum 14.3 18.5 28.3 38.7 49.4 59.2 62.9 60.6 52.1 40.6 30.8 18.6 39.6
CDD 0 <0.5 1 12 65 208 295 240 106 13 <0.5 0 941
HDD 1294 1041 816 441 172 26 4 11 101 387 732 1169 6194
Precip 1.92 1.96 2.82 3.47 4.22 3.77 3.80 3.46 3.40 2.97 3.40 2.48 37.67
Snow 5.4 4.4 2.8 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 7.3 21.8
City: MOLINE WSO AP
State: IL
ID: USW00014923
Lat: 41.4653
Long: -90.5233
County: Rock Island
Elev: 592 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.0 35.7 48.8 62.3 72.9 82.3 85.8 83.8 76.8 64.1 49.2 34.6 60.7
Mean 22.6 27.0 39.1 51.4 61.8 71.5 75.4 73.5 65.4 53.2 40.0 26.6 50.7
Minimum 14.3 18.3 29.4 40.5 50.7 60.7 65.0 63.2 53.9 42.4 30.9 18.6 40.8
CDD 0 <0.5 1 13 62 214 324 269 106 14 1 <0.5 1005
HDD 1313 1064 804 421 161 19 2 6 96 378 749 1190 6204
Precip 1.49 1.60 2.86 3.59 4.32 4.49 4.29 4.52 3.09 2.97 2.56 2.18 37.96
Snow 9.4 6.8 4.0 0.9 0.0 0.0 0.0 0.0 0.0 0.0 1.2 9.3 31.6
City: MOMENCE 5 ENE
State: IL
ID: USC00115758
Lat: 41.1819
Long: -87.5731
County: Kankakee
Elev: 630 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.79 1.55 2.68 3.25 3.84 3.94 4.20 3.98 3.37 3.01 3.01 2.26 36.88
Snow 7.4 5.3 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 6.3 20.7
City: MONEE RSVR
State: IL
ID: USC00115763
Lat: 41.3933
Long: -87.7650
County: Will
Elev: 740 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.35 1.74 2.59 3.56 4.43 4.37 4.57 4.53 3.30 3.40 3.31 2.45 39.60
City: MONMOUTH 4NW
State: IL
ID: USC00115772
Lat: 40.9361
Long: -90.7197
County: Warren
Elev: 724 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.7 35.8 48.3 61.5 72.2 81.4 84.6 83.5 76.8 64.4 49.5 34.1 60.3
Mean 22.2 26.8 38.4 50.2 61.3 70.6 73.6 72.3 64.5 52.5 39.9 25.9 50.0
Minimum 13.7 17.8 28.6 38.8 50.4 59.8 62.6 61.2 52.3 40.6 30.3 17.8 39.6
CDD 0 0 <0.5 7 60 191 270 236 89 12 <0.5 0 866
HDD 1327 1069 823 453 175 23 4 8 103 400 753 1210 6348
Precip 1.52 1.54 2.53 3.88 4.77 4.49 4.11 4.74 3.74 2.80 2.28 2.12 38.52
City: MONMOUTH
State: IL
ID: USC00115768
Lat: 40.9442
Long: -90.6381
County: Warren
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.8 37.8 51.2 64.8 74.3 82.6 85.8 84.4 78.0 65.8 50.6 36.0 62.1
Mean 24.3 28.9 40.6 52.7 62.5 71.4 74.8 73.1 65.7 54.3 41.2 27.9 51.6
Minimum 15.7 19.9 30.0 40.6 50.6 60.2 63.8 61.8 53.5 42.9 31.8 19.9 41.0
CDD 0 <0.5 1 14 65 210 305 257 110 15 <0.5 0 978
HDD 1263 1012 758 383 144 18 1 6 88 345 714 1148 5881
Precip 1.66 1.87 2.75 3.92 4.75 4.36 4.21 4.07 3.54 3.06 2.82 2.37 39.38
Snow 8.4 5.5 3.0 1.1 0.0 0.0 0.0 0.0 0.0 0.1 1.2 5.6 24.9
City: MONTICELLO 3N
State: IL
ID: USC00115792
Lat: 40.0817
Long: -88.5550
County: Piatt
Elev: 670 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.10 2.05 2.55 3.74 4.88 3.96 4.12 3.56 2.76 3.11 3.53 2.65 39.01
Snow 6.0 5.2 2.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.7 19.5
City: MORRIS 1 NW
State: IL
ID: USC00115825
Lat: 41.3708
Long: -88.4336
County: Grundy
Elev: 524 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.0 36.1 47.8 61.3 71.6 81.5 84.5 82.4 76.6 64.6 49.6 35.4 60.3
Mean 23.2 27.8 38.3 50.7 61.1 71.0 74.5 72.6 65.4 53.6 41.2 27.7 50.7
Minimum 15.4 19.5 28.9 40.1 50.5 60.5 64.4 62.8 54.2 42.5 32.8 20.0 41.1
CDD 0 <0.5 1 10 62 208 296 241 102 16 1 0 937
HDD 1295 1041 827 439 184 29 3 6 90 371 715 1156 6156
Precip 1.82 1.67 2.26 3.12 3.96 4.40 5.13 3.95 3.34 3.06 2.96 2.24 37.91
Snow 8.0 5.4 2.9 0.4 0.0 0.0 0.0 0.0 0.0 0.0 1.0 6.3 24.0
City: MORRISON
State: IL
ID: USC00115833
Lat: 41.8039
Long: -89.9744
County: Whiteside
Elev: 603 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.9 35.9 48.2 61.8 72.7 82.0 85.4 83.3 76.4 63.9 49.2 35.0 60.5
Mean 21.6 26.3 37.9 49.9 60.9 70.3 73.9 71.8 63.7 51.6 39.4 26.1 49.5
Minimum 12.3 16.6 27.6 38.0 49.0 58.6 62.4 60.3 50.9 39.4 29.5 17.1 38.6
CDD 0 <0.5 <0.5 8 51 185 279 221 78 7 <0.5 0 830
HDD 1345 1085 841 461 180 26 3 10 119 421 770 1207 6467
Precip 1.48 1.69 2.68 3.48 4.20 4.83 3.94 4.70 2.96 2.97 2.74 2.09 37.76
Snow 10.4 6.1 3.2 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.7 7.9 30.3
City: MORRISONVILLE
State: IL
ID: USC00115841
Lat: 39.4158
Long: -89.4614
County: Christian
Elev: 630 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.4 39.6 51.1 64.2 74.0 82.9 85.9 84.9 79.5 67.0 52.5 38.3 63.0
Mean 26.2 30.7 41.2 52.9 63.2 72.4 75.3 73.8 66.9 54.7 42.8 30.1 52.6
Minimum 18.0 21.7 31.3 41.6 52.4 61.9 64.8 62.7 54.2 42.5 33.0 22.0 42.3
CDD 0 <0.5 2 14 79 238 322 278 131 18 <0.5 0 1082
HDD 1203 962 739 377 135 16 1 5 75 336 668 1080 5597
Precip 2.01 1.94 2.64 3.48 4.35 3.75 3.60 3.03 3.29 2.97 3.69 2.63 37.38
Snow 5.7 4.8 2.7 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.6 5.0 19.0
City: MORTON
State: IL
ID: USC00115876
Lat: 40.6006
Long: -89.4653
County: Tazewell
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.97 1.88 2.90 4.01 5.06 3.93 3.89 3.39 2.87 3.03 3.26 2.43 38.62
Snow 7.1 4.5 2.6 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.7 8.0 23.6
City: MOWEAQUA 2S
State: IL
ID: USC00115950
Lat: 39.5878
Long: -89.0158
County: Shelby
Elev: 625 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.9 40.3 52.4 64.6 74.9 83.8 86.8 85.8 79.5 67.7 53.1 39.1 63.7
Mean 26.2 30.8 42.1 53.2 63.6 73.1 76.1 74.1 66.7 55.2 43.2 30.6 53.0
Minimum 17.5 21.2 31.7 41.7 52.4 62.4 65.3 62.5 53.9 42.7 33.4 22.1 42.3
CDD 0 <0.5 2 13 79 257 343 288 131 18 1 0 1132
HDD 1202 959 714 368 121 14 <0.5 5 80 322 654 1066 5505
Precip 1.92 1.93 2.68 3.69 4.35 4.56 3.73 3.14 3.09 3.35 3.98 2.61 39.03
Snow 4.2 4.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.7 12.1
City: MT CARMEL
State: IL
ID: USC00115888
Lat: 38.4106
Long: -87.7578
County: Wabash
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.7 43.9 54.2 65.7 75.0 83.9 86.9 86.0 79.9 68.2 55.3 42.0 65.1
Mean 31.3 35.5 45.1 55.9 65.7 74.8 77.8 76.2 69.0 57.3 46.3 34.5 55.9
Minimum 23.9 27.1 36.0 46.1 56.3 65.6 68.6 66.5 58.0 46.3 37.3 27.0 46.7
CDD 0 <0.5 3 25 110 299 396 351 168 28 2 0 1380
HDD 1045 826 620 298 89 6 <0.5 2 50 268 563 945 4712
Precip 3.14 3.05 3.99 4.19 5.93 3.71 4.19 3.31 2.94 3.75 4.23 3.51 45.94
Snow 2.0 2.8 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 2.7 8.6
City: MT CARROLL
State: IL
ID: USC00115901
Lat: 42.0981
Long: -89.9842
County: Carroll
Elev: 640 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.2 35.3 47.1 60.7 71.7 81.2 84.5 82.9 75.8 63.3 48.2 33.8 59.7
Mean 20.7 25.4 36.7 48.7 59.5 68.8 72.6 70.7 62.5 50.6 38.4 24.9 48.4
Minimum 11.2 15.5 26.3 36.7 47.3 56.5 60.6 58.6 49.3 37.9 28.5 15.9 37.1
CDD 0 <0.5 <0.5 9 43 155 241 198 73 8 <0.5 0 728
HDD 1373 1109 878 498 214 40 7 19 147 454 800 1244 6783
Precip 1.48 1.69 2.61 3.70 4.42 4.98 4.52 4.50 3.46 3.14 2.90 2.24 39.64
Snow 9.6 6.2 3.5 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.2 8.9 30.2
City: MT PULASKI
State: IL
ID: USC00115927
Lat: 40.0075
Long: -89.2831
County: Logan
Elev: 635 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.79 1.93 2.49 3.63 4.08 4.05 4.44 3.86 2.71 3.39 3.13 2.32 37.82
Snow 3.7 4.8 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.1 15.7
City: MT STERLING
State: IL
ID: USC00115935
Lat: 39.9842
Long: -90.7525
County: Brown
Elev: 709 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.68 1.98 2.59 3.88 4.79 4.38 4.01 3.59 3.40 3.35 3.07 2.39 39.11
Snow 5.6 3.6 1.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.7 14.9
City: MT VERNON 3 NE
State: IL
ID: USC00115943
Lat: 38.3483
Long: -88.8533
County: Jefferson
Elev: 490 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.1 43.1 53.5 64.9 73.8 82.9 86.3 85.6 78.6 67.4 54.5 41.3 64.3
Mean 29.5 33.6 43.5 54.2 63.7 72.9 76.6 75.1 67.2 55.6 44.7 32.6 54.2
Minimum 20.9 24.2 33.4 43.6 53.6 62.9 66.9 64.6 55.8 43.8 34.8 23.9 44.1
CDD 0 <0.5 2 18 79 249 360 316 134 20 1 0 1179
HDD 1100 878 670 341 120 12 1 3 68 311 612 1004 5119
Precip 2.34 2.85 3.87 4.36 5.16 3.88 3.68 2.96 3.22 3.65 4.21 3.22 43.40
Snow 3.6 4.7 1.3 0.2 0.0 0.0 0.0 0.0 0.0 0.2 0.3 3.6 13.9
City: MUNDELEIN 4WSW
State: IL
ID: USC00115961
Lat: 42.2553
Long: -88.0769
County: Lake
Elev: 840 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.8 33.2 44.3 56.9 68.2 77.8 82.1 80.3 72.9 60.4 46.4 32.5 57.1
Mean 20.9 25.1 35.2 46.9 57.6 68.0 72.3 70.7 62.8 50.8 38.3 25.1 47.9
Minimum 13.1 16.9 26.2 37.0 47.0 58.1 62.6 61.1 52.7 41.1 30.2 17.6 38.7
CDD 0 0 <0.5 4 32 144 236 191 65 7 <0.5 0 680
HDD 1365 1118 922 545 261 56 8 14 132 449 801 1238 6911
Precip 1.53 1.97 2.55 3.21 4.21 4.05 3.82 4.19 3.48 2.92 2.65 1.97 36.55
Snow 10.9 11.0 5.5 1.3 0.0 0.0 0.0 0.0 0.0 0.0 1.0 13.5 43.2
City: MURPHYSBORO 2 SW
State: IL
ID: USC00115983
Lat: 37.7608
Long: -89.3656
County: Jackson
Elev: 550 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.67 2.62 4.50 3.85 5.22 4.11 3.38 2.94 3.50 4.12 4.32 3.85 45.08
Snow 3.2 1.9 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 4.0 9.9
City: NASHVILLE 1 E
State: IL
ID: USC00116011
Lat: 38.3431
Long: -89.3586
County: Washington
Elev: 513 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.2 43.0 54.1 65.5 74.7 83.7 86.9 86.1 79.0 68.1 54.3 41.4 64.7
Mean 29.9 34.0 44.5 55.5 65.1 74.0 77.3 76.0 68.4 57.5 45.1 33.5 55.2
Minimum 21.7 25.0 34.9 45.6 55.4 64.3 67.7 65.8 57.7 47.0 35.8 25.5 45.6
CDD 0 <0.5 2 19 96 277 382 341 153 30 1 <0.5 1302
HDD 1086 868 637 303 95 8 1 2 52 261 600 978 4890
Precip 2.31 2.27 3.33 3.68 4.77 3.91 3.93 2.64 3.27 3.44 3.70 2.87 40.12
Snow 4.2 4.3 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.3 3.4 13.3
City: NEOGA 4NW
State: IL
ID: USC00116025
Lat: 39.3536
Long: -88.5000
County: Shelby
Elev: 625 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.3 41.2 52.3 64.8 74.6 83.8 87.2 86.2 80.1 68.1 54.5 40.0 64.2
Mean 27.3 31.7 41.6 53.2 63.6 73.1 76.2 74.4 66.6 55.1 44.0 31.6 53.3
Minimum 18.3 22.2 30.8 41.6 52.5 62.3 65.2 62.5 53.0 42.1 33.5 23.1 42.4
CDD 0 0 1 11 62 248 347 292 110 23 <0.5 0 1094
HDD 1168 932 728 365 107 7 <0.5 3 64 330 630 1036 5371
Precip 2.48 2.26 3.10 3.95 4.50 4.66 5.42 3.08 2.94 3.51 3.99 3.04 42.93
City: NEOGA
State: IL
ID: USC00116024
Lat: 39.3197
Long: -88.4617
County: Cumberland
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.43 2.33 3.13 3.86 4.50 4.44 4.58 3.18 2.96 3.46 3.90 2.52 41.29
City: NEW ATHENS
State: IL
ID: USC00116072
Lat: 38.3219
Long: -89.8756
County: St. Clair
Elev: 426 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.43 2.57 3.47 3.93 4.93 4.64 4.22 3.30 3.46 3.50 4.09 3.33 43.87
City: NEW BOSTON DAM 17
State: IL
ID: USC00116080
Lat: 41.1922
Long: -91.0578
County: Mercer
Elev: 548 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.6 36.4 48.7 62.4 72.8 82.5 86.2 84.0 76.8 63.8 49.6 35.3 60.9
Mean 22.7 27.7 39.1 51.5 62.2 71.9 75.9 73.5 65.4 53.4 40.5 27.7 51.1
Minimum 14.8 19.1 29.5 40.7 51.6 61.4 65.5 63.0 54.0 43.0 31.3 20.1 41.3
CDD 0 0 <0.5 7 64 227 337 268 95 14 <0.5 0 1012
HDD 1311 1043 803 410 151 18 1 4 83 374 737 1156 6091
Precip 1.21 1.55 2.63 3.24 4.54 4.10 3.49 3.89 3.32 2.91 2.32 1.82 35.02
City: NEWARK 2 SSE
State: IL
ID: USC00116065
Lat: 41.5325
Long: -88.5536
County: Kendall
Elev: 750 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.57 1.58 2.37 3.23 4.23 4.09 4.45 4.11 3.44 3.16 3.09 1.96 37.28
City: NEWMAN 3W
State: IL
ID: USC00116134
Lat: 39.7914
Long: -88.0364
County: Douglas
Elev: 645 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.95 1.91 2.67 3.87 4.09 4.31 4.21 3.52 3.16 3.30 3.68 2.88 39.55
Snow 7.8 3.9 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 4.0 18.3
City: NEWTON 6 SSE
State: IL
ID: USC00116159
Lat: 38.9136
Long: -88.1183
County: Jasper
Elev: 510 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.6 39.7 50.6 62.7 71.8 81.0 84.4 83.2 77.5 66.0 52.2 38.3 61.9
Mean 27.2 31.1 41.3 52.4 61.7 71.2 74.6 72.6 65.7 54.3 43.0 30.6 52.2
Minimum 19.8 22.6 32.0 42.0 51.7 61.5 64.7 62.0 53.9 42.6 33.7 22.8 42.5
CDD 0 0 1 11 55 209 298 242 106 14 1 0 937
HDD 1172 948 736 390 156 22 2 6 85 346 662 1068 5593
Precip 2.55 2.40 3.54 3.95 5.15 3.90 4.46 2.95 3.22 3.36 4.02 3.06 42.56
Snow 4.1 2.7 2.0 0.1 0.0 0.0 0.0 0.0 0.0 0.2 0.6 3.0 12.7
City: NEWTON
State: IL
ID: USC00116157
Lat: 38.9917
Long: -88.1828
County: Jasper
Elev: 550 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.9 42.4 53.7 65.2 75.1 84.4 87.9 86.6 80.4 68.3 54.7 41.2 64.9
Mean 29.3 33.8 43.4 54.6 63.9 73.7 77.0 75.2 68.0 56.3 44.7 33.0 54.5
Minimum 20.7 25.2 33.2 43.9 52.8 63.0 66.1 63.9 55.6 44.3 34.6 24.7 44.1
CDD 0 <0.5 2 16 85 271 372 320 143 25 1 0 1235
HDD 1106 873 670 330 117 10 <0.5 3 53 294 612 993 5062
Precip 2.99 2.51 3.81 4.15 5.12 4.51 3.83 2.90 3.08 3.58 4.08 3.56 44.12
Snow 6.4 2.9 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 4.4 16.1
City: NORMAL 4NE
State: IL
ID: USC00116200
Lat: 40.5492
Long: -88.9497
County: McLean
Elev: 800 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.9 37.6 49.4 62.3 73.1 82.8 85.4 84.0 77.7 65.0 50.2 36.3 61.5
Mean 23.9 27.9 38.2 50.0 61.1 71.4 74.4 72.5 65.1 53.1 40.5 27.8 50.6
Minimum 14.8 18.3 27.1 37.8 49.1 59.9 63.3 61.0 52.5 41.2 30.8 19.2 39.7
CDD 0 <0.5 1 9 62 213 292 242 105 14 <0.5 0 939
HDD 1275 1037 830 458 183 23 3 10 102 383 735 1155 6193
Precip 2.13 1.93 2.71 3.67 4.64 3.91 4.16 3.80 3.14 3.28 3.27 2.70 39.34
Snow 7.1 5.1 1.5 0.7 0.0 0.0 0.0 0.0 0.0 0.1 0.3 5.1 19.9
City: OAK BROOK 2W
State: IL
ID: USC00116281
Lat: 41.8422
Long: -87.9731
County: DuPage
Elev: 715 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.91 1.88 2.44 3.52 4.07 4.03 4.27 4.38 3.40 3.22 3.33 2.37 38.82
City: OGDEN
State: IL
ID: USC00116344
Lat: 40.1100
Long: -87.9567
County: Champaign
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.05 2.08 2.81 3.67 4.44 4.68 5.02 3.52 3.01 3.32 3.53 2.75 40.88
City: OLIVE BRANCH
State: IL
ID: USC00116383
Lat: 37.1742
Long: -89.3506
County: Alexander
Elev: 340 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 43.7 49.2 59.3 69.9 78.3 86.1 88.7 88.0 81.6 72.0 57.8 46.0 68.5
Mean 34.5 39.3 48.0 58.1 66.9 75.1 78.2 77.3 69.7 59.3 47.9 36.9 57.7
Minimum 25.4 29.4 36.7 46.3 55.6 64.1 67.6 66.6 57.8 46.7 38.0 27.8 46.9
CDD 0 <0.5 3 30 123 307 408 382 175 35 2 <0.5 1465
HDD 944 720 530 237 63 4 <0.5 1 34 210 515 871 4128
Precip 3.54 3.89 4.49 5.04 4.91 4.50 3.39 2.68 3.36 4.09 4.88 3.83 48.60
City: OLNEY 2S
State: IL
ID: USC00116446
Lat: 38.7003
Long: -88.0817
County: Richland
Elev: 480 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.8 42.7 53.7 65.6 75.0 84.3 87.2 86.5 80.3 68.3 54.7 41.2 64.9
Mean 29.1 33.2 42.9 54.2 63.8 73.4 76.4 75.2 67.8 56.2 44.5 32.7 54.2
Minimum 20.4 23.6 32.2 42.7 52.6 62.5 65.6 63.9 55.4 44.0 34.4 24.2 43.5
CDD 0 <0.5 2 17 82 262 354 318 145 24 1 <0.5 1204
HDD 1113 892 685 342 119 10 <0.5 2 59 298 615 1001 5137
Precip 3.05 2.73 4.34 4.33 5.83 4.19 4.33 3.20 3.07 3.99 4.48 3.88 47.42
Snow 4.0 3.3 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.9 11.6
City: OTTAWA 5SW
State: IL
ID: USC00116526
Lat: 41.3283
Long: -88.9106
County: La Salle
Elev: 525 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.5 36.4 48.8 62.4 72.4 81.0 84.1 82.6 76.7 64.8 50.0 35.6 60.6
Mean 23.3 27.7 39.0 51.2 61.5 70.7 74.2 72.5 65.3 53.5 41.0 27.6 50.7
Minimum 15.1 19.0 29.3 40.0 50.5 60.4 64.4 62.4 53.9 42.1 32.0 19.6 40.8
CDD 0 <0.5 1 11 59 197 290 241 104 13 <0.5 0 916
HDD 1292 1044 805 425 169 26 3 9 95 371 720 1159 6120
Precip 1.48 1.43 2.46 3.22 4.11 3.98 3.85 3.89 3.26 2.80 3.11 2.13 35.72
Snow 7.6 4.6 2.7 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.2 4.5 20.1
City: PALESTINE
State: IL
ID: USC00116558
Lat: 39.0028
Long: -87.6225
County: Crawford
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 37.9 43.1 54.7 66.3 75.7 84.1 86.7 85.9 79.9 68.0 53.9 40.8 64.8
Mean 30.3 34.4 44.7 55.1 65.0 73.7 76.4 75.0 67.4 56.4 44.8 33.3 54.8
Minimum 22.7 25.8 34.7 43.9 54.3 63.4 66.1 64.0 54.9 44.8 35.7 25.7 44.8
CDD 0 <0.5 2 20 98 271 354 310 134 21 1 <0.5 1212
HDD 1075 855 632 317 98 8 1 2 62 288 607 984 4929
Precip 3.09 2.56 3.66 4.36 5.04 4.09 3.90 3.50 3.38 3.47 3.91 3.29 44.25
Snow 4.1 3.2 1.2 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.4 4.3 13.4
City: PANA 3E
State: IL
ID: USC00116579
Lat: 39.3722
Long: -89.0242
County: Shelby
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.6 40.6 52.3 65.0 74.4 83.3 86.5 85.4 79.2 67.1 53.1 39.3 63.6
Mean 27.0 31.2 41.9 53.7 63.3 72.5 75.9 74.2 66.8 55.3 43.3 31.0 53.1
Minimum 18.3 21.8 31.5 42.3 52.2 61.7 65.2 63.0 54.4 43.4 33.5 22.7 42.6
CDD 0 0 2 14 73 240 337 289 125 18 1 0 1099
HDD 1179 946 718 355 125 15 1 4 71 320 652 1054 5441
Precip 2.22 2.23 2.89 3.99 4.64 4.51 3.95 2.80 3.24 3.53 4.05 3.05 41.10
Snow 5.4 4.6 2.7 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.7 5.4 19.3
City: PARIS STP
State: IL
ID: USC00116610
Lat: 39.6186
Long: -87.6672
County: Edgar
Elev: 680 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.3 39.2 50.7 63.2 73.2 82.4 85.2 83.9 77.8 65.6 52.0 37.9 62.2
Mean 26.2 30.3 40.9 52.7 63.0 72.5 75.5 73.8 66.5 54.8 42.8 30.2 52.6
Minimum 18.1 21.5 31.1 42.2 52.9 62.7 65.8 63.8 55.2 44.1 33.7 22.6 42.9
CDD 0 <0.5 1 14 76 243 326 279 121 18 1 <0.5 1079
HDD 1203 970 748 383 137 16 1 4 76 333 665 1077 5614
Precip 2.39 2.34 2.90 4.11 4.55 4.35 4.43 3.91 3.18 3.38 3.78 3.03 42.35
Snow 8.9 5.9 2.6 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.4 5.5 23.6
City: PARK FOREST
State: IL
ID: USC00116616
Lat: 41.4947
Long: -87.6803
County: Cook
Elev: 710 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.6 35.0 46.3 59.4 70.2 80.1 83.9 81.9 75.2 63.0 48.3 34.9 59.2
Mean 23.1 27.0 37.7 49.6 60.1 70.1 74.4 72.5 65.0 52.9 40.4 27.6 50.1
Minimum 15.6 19.0 29.1 39.8 50.0 60.0 65.0 63.1 54.8 42.9 32.4 20.3 41.1
CDD 0 <0.5 1 10 54 191 296 242 100 12 <0.5 0 907
HDD 1299 1064 847 472 206 40 4 10 100 386 740 1159 6326
Precip 1.99 1.85 2.61 3.77 4.47 4.56 4.55 4.50 3.18 3.35 3.58 2.62 41.03
Snow 8.4 7.9 4.4 0.7 0.0 0.0 0.0 0.0 0.0 0.2 0.6 5.6 27.8
City: PATOKA
State: IL
ID: USC00116642
Lat: 38.7642
Long: -89.0564
County: Marion
Elev: 519 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.86 2.82 3.54 3.72 5.39 4.25 3.80 3.13 3.13 3.42 3.78 3.12 42.96
Snow 2.0 2.5 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 8.0
City: PAW PAW 2 NW
State: IL
ID: USC00116661
Lat: 41.7122
Long: -88.9989
County: Lee
Elev: 950 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 27.2 31.6 44.2 58.8 69.3 79.0 81.5 79.6 73.6 61.6 45.9 31.2 57.1
Mean 19.0 23.2 34.8 47.6 58.3 68.0 71.2 69.3 62.1 50.2 36.9 23.3 47.1
Minimum 10.9 14.9 25.5 36.4 47.2 57.0 60.8 59.0 50.5 38.8 27.9 15.4 37.1
CDD 0 0 <0.5 4 34 137 203 156 56 5 <0.5 0 596
HDD 1424 1169 935 526 243 47 13 23 145 464 843 1292 7124
Precip 1.35 1.55 2.17 3.11 4.46 4.36 4.13 4.15 3.45 2.79 2.98 2.02 36.52
Snow 9.3 6.7 3.8 0.5 0.0 0.0 0.0 0.0 0.0 0.2 1.1 8.6 30.2
City: PAXTON 2 WSW
State: IL
ID: USC00116663
Lat: 40.4547
Long: -88.1417
County: Ford
Elev: 790 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.1 35.9 47.9 61.4 72.0 80.9 83.6 82.4 77.4 64.3 49.3 35.0 60.2
Mean 23.0 27.4 38.3 50.0 60.9 70.2 73.1 71.4 64.6 52.5 40.2 27.2 50.0
Minimum 14.9 18.9 28.6 38.6 49.8 59.4 62.5 60.4 51.9 40.7 31.1 19.5 39.8
CDD 0 0 1 7 57 189 254 210 92 12 <0.5 0 822
HDD 1302 1053 830 457 185 34 5 12 102 399 744 1170 6293
Precip 1.88 1.80 2.68 3.57 4.25 3.99 4.28 3.48 2.90 3.32 3.41 2.62 38.18
Snow 5.1 4.8 1.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.2 17.4
City: PAYSON
State: IL
ID: USC00116670
Lat: 39.8208
Long: -91.2436
County: Adams
Elev: 764 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.79 1.88 2.49 3.68 4.84 3.89 4.47 3.86 3.31 3.21 3.20 2.36 38.98
Snow 4.7 5.6 1.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.5 4.7 17.0
City: PEORIA 5NW
State: IL
ID: USC00116710
Lat: 40.7492
Long: -89.6203
County: Peoria
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.77 1.71 2.82 3.58 4.08 4.91 3.90 3.59 3.28 2.86 3.11 2.37 37.98
City: PEORIA GTR PEORIA RGNL
State: IL
ID: USW00014842
Lat: 40.6675
Long: -89.6839
County: Peoria
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.8 37.7 50.3 63.0 73.2 82.2 85.6 83.8 77.0 64.5 50.3 36.1 61.5
Mean 24.9 29.5 40.6 52.3 62.4 71.8 75.5 73.8 66.1 54.0 41.6 28.6 51.9
Minimum 17.0 21.2 31.0 41.7 51.6 61.4 65.5 63.7 55.2 43.5 32.9 21.0 42.2
CDD 0 <0.5 1 13 67 222 328 276 117 15 <0.5 0 1040
HDD 1243 995 756 393 148 18 1 5 84 356 702 1130 5831
Precip 1.78 1.79 2.80 3.63 4.33 3.53 3.85 3.24 3.15 2.84 3.13 2.42 36.49
Snow 6.9 6.2 2.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 1.1 7.1 24.6
City: PEOTONE
State: IL
ID: USC00116725
Lat: 41.3269
Long: -87.7858
County: Will
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.81 1.75 2.42 3.77 4.67 4.54 4.45 4.33 3.70 3.63 3.91 2.48 41.46
Snow 7.8 7.4 4.0 0.9 0.0 0.0 0.0 0.0 0.0 0.2 1.0 5.6 26.9
City: PERRY 6 NW
State: IL
ID: USC00116738
Lat: 39.8058
Long: -90.8236
County: Pike
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.4 41.2 52.7 64.7 74.3 83.8 87.2 86.7 79.0 67.2 53.3 39.6 63.9
Mean 26.7 31.1 41.6 52.8 63.2 72.5 75.9 74.3 66.2 54.4 43.0 30.4 52.8
Minimum 17.1 21.1 30.6 41.0 52.0 61.2 64.5 62.0 53.4 41.5 32.7 21.1 41.6
CDD 0 <0.5 1 16 77 240 337 293 120 17 1 0 1102
HDD 1186 948 725 380 134 15 1 4 84 347 661 1074 5559
Precip 1.89 1.81 2.59 3.78 4.22 4.30 4.33 3.84 3.63 3.06 3.31 2.45 39.21
Snow 7.1 5.4 2.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 1.0 5.4 21.9
City: PERU
State: IL
ID: USC00116753
Lat: 41.3503
Long: -89.1072
County: La Salle
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.3 35.3 48.0 61.8 72.7 81.7 84.8 82.9 76.8 64.3 49.1 34.4 60.3
Mean 22.1 26.7 37.9 50.2 60.8 70.4 73.8 71.9 64.4 52.5 40.0 26.4 49.9
Minimum 13.9 18.1 27.8 38.5 48.9 59.1 62.9 60.9 52.1 40.8 30.8 18.3 39.4
CDD 0 <0.5 1 10 55 190 278 226 92 11 <0.5 0 863
HDD 1330 1072 841 455 186 28 4 12 109 397 752 1198 6383
Precip 1.52 1.59 2.68 3.38 4.46 3.82 4.47 4.17 3.33 3.09 3.07 2.36 37.94
Snow 8.1 5.2 3.3 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.6 8.0 25.7
City: PETERSBURG 2SW
State: IL
ID: USC00116765
Lat: 39.9872
Long: -89.8636
County: Menard
Elev: 605 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.81 1.72 2.28 3.51 4.39 4.09 4.41 3.43 3.30 3.21 3.20 2.39 37.74
Snow 4.6 3.1 1.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.4 14.0
City: PETERSBURG 3SSW
State: IL
ID: USC00116760
Lat: 39.9633
Long: -89.8678
County: Menard
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.81 1.61 2.49 3.70 4.22 3.81 4.15 3.35 3.28 2.96 3.20 2.49 37.07
Snow 5.0 4.2 1.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.1 16.8
City: PHILO
State: IL
ID: USC00116769
Lat: 40.0064
Long: -88.1533
County: Champaign
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.16 2.08 2.79 3.74 4.45 4.67 4.55 3.47 3.04 3.29 3.52 2.86 40.62
City: PINCKNEYVILLE 2 N
State: IL
ID: USC00116779
Lat: 38.0981
Long: -89.3819
County: Perry
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.81 2.86 3.90 3.85 5.65 4.35 4.55 2.99 3.37 3.80 4.19 3.48 45.80
Snow 2.5 2.1 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.3 2.7 8.6
City: PIPER CITY
State: IL
ID: USC00116819
Lat: 40.7569
Long: -88.1828
County: Ford
Elev: 670 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.7 37.8 49.7 63.4 74.2 83.3 85.9 84.1 78.2 65.5 50.7 36.4 61.9
Mean 24.1 28.4 38.9 51.0 61.7 71.6 74.4 72.2 65.0 53.5 41.1 28.2 50.9
Minimum 15.6 19.0 28.2 38.5 49.2 59.9 63.0 60.3 51.8 41.4 31.5 19.9 40.0
CDD 0 <0.5 1 10 64 222 296 233 98 14 <0.5 0 939
HDD 1266 1025 809 432 166 24 3 10 98 373 717 1142 6064
Precip 2.25 2.43 2.77 3.64 4.44 3.80 4.76 3.90 2.58 3.27 3.40 3.11 40.35
Snow 7.8 5.9 3.2 1.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 6.4 25.4
City: PITTSFIELD #2
State: IL
ID: USC00116837
Lat: 39.6222
Long: -90.8058
County: Pike
Elev: 670 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.3 40.5 51.9 64.1 74.0 83.0 86.6 85.7 78.8 66.5 53.0 38.8 63.3
Mean 26.5 31.4 41.5 53.1 63.2 72.3 76.2 74.5 66.5 54.6 43.3 30.2 52.9
Minimum 17.7 22.4 31.1 42.1 52.3 61.6 65.9 63.3 54.2 42.7 33.6 21.6 42.5
CDD 0 0 2 17 78 235 350 298 120 20 1 0 1120
HDD 1193 939 730 374 135 16 2 4 75 342 652 1078 5541
Precip 1.85 2.34 3.01 4.04 4.67 4.43 4.09 4.00 3.99 3.09 3.54 2.41 41.46
City: PLAINFIELD 3 NE
State: IL
ID: USC00116849
Lat: 41.6386
Long: -88.1881
County: Will
Elev: 615 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.76 1.87 2.59 3.51 4.41 3.84 4.79 4.30 3.65 3.13 3.76 2.50 40.11
Snow 8.9 7.4 2.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.7 10.0 29.6
City: PLANO
State: IL
ID: USC00116855
Lat: 41.6519
Long: -88.5292
County: Kendall
Elev: 589 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.66 1.65 2.32 3.43 4.45 4.10 4.38 4.17 3.42 3.11 3.10 2.29 38.08
City: PLUMFIELD
State: IL
ID: USC00116874
Lat: 37.9117
Long: -89.0092
County: Franklin
Elev: 405 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 3.01 2.93 4.09 4.20 5.11 3.92 3.80 2.79 2.90 3.59 4.33 3.83 44.50
Snow 2.3 2.8 1.4 0.1 0.0 0.0 0.0 0.0 0.0 0.3 0.1 3.0 10.0
City: POLO 5 NW
State: IL
ID: USC00116897
Lat: 42.0347
Long: -89.6119
County: Ogle
Elev: 856 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.5 35.1 48.2 62.0 72.9 82.4 84.7 82.9 76.7 64.1 48.4 33.9 60.3
Mean 21.7 25.8 37.5 49.7 60.4 70.1 73.1 70.9 63.7 51.6 38.7 25.5 49.2
Minimum 12.9 16.5 26.8 37.4 47.9 57.8 61.6 59.0 50.7 39.2 28.9 17.1 38.1
CDD 0 0 <0.5 5 49 181 256 196 74 10 <0.5 0 771
HDD 1342 1097 853 464 191 29 3 11 113 424 791 1224 6543
Precip 1.73 1.75 2.81 3.51 4.24 4.70 4.29 4.47 3.26 3.11 2.98 2.41 39.26
City: PONTIAC
State: IL
ID: USC00116910
Lat: 40.8853
Long: -88.6389
County: Livingston
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.4 36.3 48.6 62.2 72.5 81.2 83.9 82.4 76.9 64.3 49.8 35.4 60.5
Mean 23.6 27.9 38.8 50.9 61.4 70.9 74.1 72.5 65.6 53.4 40.9 27.7 50.7
Minimum 15.7 19.4 29.0 39.6 50.3 60.6 64.4 62.5 54.2 42.4 32.0 19.9 40.9
CDD 0 <0.5 1 12 61 203 286 240 108 14 <0.5 0 926
HDD 1285 1040 813 435 173 26 3 9 92 375 724 1158 6132
Precip 1.96 1.59 2.83 3.28 3.88 3.66 4.08 3.70 3.02 3.05 3.22 2.38 36.65
Snow 6.6 7.0 2.7 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.9 23.5
City: PRAIRIE CITY 2S
State: IL
ID: USC00116970
Lat: 40.5914
Long: -90.4642
County: McDonough
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.6 38.6 50.6 64.1 73.6 83.0 86.5 84.9 77.8 66.2 52.2 37.1 62.5
Mean 24.4 28.7 39.6 52.5 62.6 72.2 75.6 73.9 66.1 54.5 41.6 28.4 51.7
Minimum 15.2 18.7 28.6 40.8 51.5 61.4 64.6 62.8 54.3 42.8 31.0 19.6 41.0
CDD 0 0 <0.5 10 59 229 328 280 102 18 <0.5 0 1025
HDD 1258 1017 788 387 134 13 1 6 71 344 702 1136 5856
Precip 1.73 1.77 2.74 3.59 4.51 4.49 4.37 3.86 3.50 3.02 2.81 2.18 38.57
City: PRAIRIE DU ROCHER 3 WN
State: IL
ID: USC00116973
Lat: 38.0886
Long: -90.1619
County: Randolph
Elev: 404 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.30 2.39 3.44 3.82 5.13 3.61 4.12 3.31 3.48 3.52 4.09 3.20 42.41
Snow 3.3 3.2 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.8 9.4
City: PRINCETON
State: IL
ID: USC00116998
Lat: 41.3761
Long: -89.4642
County: Bureau
Elev: 695 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.3 34.9 47.7 61.8 72.7 81.9 85.2 82.5 75.6 62.8 47.9 33.5 59.9
Mean 23.0 27.4 38.7 51.1 61.9 71.5 75.1 72.7 65.0 52.6 39.9 26.6 50.6
Minimum 15.8 19.9 29.6 40.4 51.2 61.0 64.9 62.9 54.4 42.4 31.9 19.6 41.3
CDD 0 <0.5 1 13 67 215 313 246 96 12 <0.5 0 963
HDD 1300 1053 818 430 161 22 2 7 96 397 753 1192 6230
Precip 1.77 1.84 2.61 3.67 4.73 4.49 4.02 4.48 3.53 2.97 3.05 2.40 39.56
Snow 7.8 5.8 3.3 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.9 7.8 26.1
City: PRINCEVILLE 2W
State: IL
ID: USC00117004
Lat: 40.9314
Long: -89.7797
County: Peoria
Elev: 735 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.5 37.7 50.2 63.7 73.8 82.2 85.5 83.7 77.4 65.2 51.0 36.1 61.7
Mean 23.4 28.1 39.3 51.3 61.8 70.9 74.1 72.0 64.4 52.8 40.6 27.3 50.6
Minimum 14.3 18.6 28.4 39.0 49.9 59.6 62.7 60.4 51.4 40.5 30.3 18.4 39.6
CDD 0 <0.5 1 15 64 203 286 231 95 14 1 0 909
HDD 1290 1032 798 424 162 26 4 12 113 390 731 1170 6152
Precip 1.88 1.89 2.77 3.50 5.05 3.87 4.08 3.79 3.46 2.87 3.03 2.23 38.42
Snow 6.5 6.4 1.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.9 6.2 22.0
City: PROPHETSTOWN
State: IL
ID: USC00117014
Lat: 41.6808
Long: -89.9403
County: Whiteside
Elev: 605 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.44 1.51 2.91 3.41 4.02 4.43 4.03 5.01 3.17 3.05 2.79 2.28 38.05
Snow 10.1 6.6 2.8 0.8 0.0 0.0 0.0 0.0 0.0 0.1 1.2 9.7 31.3
City: QUINCY DAM 21
State: IL
ID: USC00117077
Lat: 39.9058
Long: -91.4281
County: Adams
Elev: 483 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.2 40.4 51.6 64.2 73.7 83.0 86.9 85.7 78.1 66.5 52.6 38.5 63.1
Mean 27.1 31.6 41.8 53.5 63.7 72.9 77.0 75.6 67.3 55.7 43.6 30.6 53.5
Minimum 19.0 22.9 31.9 42.8 53.6 62.9 67.2 65.6 56.5 44.9 34.6 22.7 43.8
CDD 0 <0.5 2 17 79 251 374 333 137 21 1 0 1216
HDD 1175 934 723 362 120 13 <0.5 3 68 310 643 1066 5417
Precip 1.48 1.85 2.63 3.71 4.59 3.86 4.25 3.49 3.15 2.83 2.77 2.10 36.71
City: QUINCY RGNL AP
State: IL
ID: USW00093989
Lat: 39.9369
Long: -91.1919
County: Adams
Elev: 769 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.4 39.1 51.4 63.4 72.7 81.7 85.8 84.5 77.1 65.0 51.3 37.5 62.1
Mean 26.5 30.9 41.9 53.2 62.8 72.1 76.1 74.4 66.4 54.7 42.5 29.8 52.7
Minimum 18.5 22.6 32.4 43.0 52.9 62.4 66.3 64.4 55.6 44.4 33.7 22.1 43.3
CDD 0 <0.5 2 16 68 227 343 297 123 17 1 0 1095
HDD 1195 956 718 370 136 16 <0.5 5 82 337 676 1091 5582
Precip 1.52 1.88 2.46 3.69 4.54 3.99 4.04 3.63 3.30 3.01 3.02 2.25 37.33
Snow 7.3 5.7 2.1 0.8 0.0 0.0 0.0 0.0 0.0 0.0 1.5 4.9 22.3
City: RAMSEY
State: IL
ID: USC00117126
Lat: 39.1483
Long: -89.1022
County: Fayette
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.7 40.9 52.0 64.4 74.0 82.9 86.1 85.9 79.3 67.2 52.9 39.2 63.5
Mean 27.4 31.9 42.0 53.1 63.0 72.2 75.6 74.1 66.5 54.9 43.3 31.0 53.0
Minimum 19.1 22.8 32.0 41.9 52.0 61.4 65.0 62.3 53.8 42.5 33.6 22.9 42.5
CDD 0 <0.5 1 12 72 231 328 286 118 16 1 0 1065
HDD 1165 928 714 367 134 17 1 4 71 331 653 1052 5438
Precip 2.44 2.12 3.00 3.60 4.80 3.97 4.11 3.06 3.15 3.42 3.91 2.94 40.52
Snow 3.5 3.7 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.4 4.1 12.5
City: RANKIN
State: IL
ID: USC00117130
Lat: 40.4586
Long: -87.9000
County: Vermilion
Elev: 735 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.96 2.18 3.06 3.68 4.42 4.19 4.57 3.88 3.29 3.26 3.31 2.47 40.27
City: RANTOUL
State: IL
ID: USW00014806
Lat: 40.3131
Long: -88.1594
County: Champaign
Elev: 740 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.6 38.5 50.3 63.4 74.3 84.1 86.7 85.1 79.3 66.2 51.8 37.7 62.7
Mean 24.8 29.2 40.1 51.8 62.8 72.9 75.6 73.6 66.6 54.1 41.9 29.2 52.0
Minimum 16.1 19.9 30.0 40.2 51.4 61.7 64.5 62.1 53.8 41.9 32.0 20.8 41.3
CDD 0 0 2 14 81 256 330 274 124 16 <0.5 0 1096
HDD 1244 1002 772 410 148 19 2 7 78 356 693 1108 5838
Precip 2.07 2.01 2.98 3.84 4.36 3.94 4.59 4.05 3.09 3.32 3.47 2.59 40.31
City: RED BUD 5 SE
State: IL
ID: USC00117157
Lat: 38.1853
Long: -89.9283
County: Randolph
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.37 2.40 3.50 3.92 5.11 3.99 3.62 3.02 3.39 3.58 4.26 3.32 42.48
Snow 4.4 4.2 0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.2 13.1
City: REND LAKE DAM
State: IL
ID: USC00117187
Lat: 38.0406
Long: -88.9883
County: Franklin
Elev: 455 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 40.9 44.3 57.0 67.7 76.3 84.8 87.4 87.8 80.9 69.3 57.0 44.1 66.6
Mean 31.7 35.0 45.7 56.7 65.8 74.4 77.4 77.1 69.2 57.6 46.8 35.3 56.1
Minimum 22.5 25.6 34.3 45.6 55.3 63.9 67.4 66.3 57.5 45.9 36.5 26.4 45.7
CDD 0 0 3 27 103 285 385 374 176 32 2 <0.5 1388
HDD 1032 841 603 277 78 5 1 <0.5 50 262 550 922 4622
Precip 2.71 2.60 3.98 4.43 5.12 4.29 3.79 2.78 3.17 3.75 4.19 3.35 44.16
Snow 0.3 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.2 0.0 1.7 2.6
City: RIVERTON 4NNE
State: IL
ID: USC00117318
Lat: 39.9114
Long: -89.5208
County: Sangamon
Elev: 562 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.86 1.93 2.62 3.41 4.42 4.17 4.00 3.39 2.55 3.16 3.43 2.45 37.39
City: ROANOKE
State: IL
ID: USC00117329
Lat: 40.7983
Long: -89.1947
County: Woodford
Elev: 720 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.19 1.83 2.71 3.67 4.61 3.85 3.86 3.51 3.04 3.01 3.27 2.39 37.94
City: ROBINSON
State: IL
ID: USC00117345
Lat: 39.0061
Long: -87.7769
County: Crawford
Elev: 535 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.0 42.8 53.9 65.0 74.4 83.2 85.7 85.1 80.1 68.6 54.8 41.3 64.5
Mean 29.1 33.0 43.3 54.2 63.9 73.0 75.7 74.2 67.3 56.0 44.5 32.5 54.0
Minimum 20.2 23.2 32.6 43.4 53.3 62.7 65.7 63.3 54.4 43.4 34.2 23.6 43.4
CDD 0 0 2 15 83 250 333 289 125 26 1 0 1123
HDD 1113 896 676 339 118 12 1 5 58 304 616 1008 5146
Precip 2.70 2.39 3.80 4.23 4.87 3.45 3.88 3.18 3.35 3.58 3.81 3.28 42.52
City: ROCHELLE
State: IL
ID: USC00117354
Lat: 41.9117
Long: -89.0708
County: Ogle
Elev: 775 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 27.9 32.4 45.1 59.0 70.2 79.3 82.6 80.9 74.3 62.0 46.7 31.9 57.8
Mean 19.6 24.1 35.6 47.9 58.9 68.8 71.9 70.2 62.5 50.4 37.9 24.1 47.8
Minimum 11.4 15.8 26.1 36.8 47.6 58.2 61.2 59.6 50.6 38.8 29.1 16.3 37.7
CDD 0 0 <0.5 5 41 154 224 182 69 7 <0.5 0 682
HDD 1406 1145 912 518 230 42 10 20 145 459 813 1268 6968
Precip 1.55 1.44 1.89 3.21 3.98 4.16 3.56 4.06 3.17 2.87 2.53 1.94 34.36
Snow 8.3 3.8 2.8 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.7 6.2 22.3
City: ROCK FALLS 3 NE
State: IL
ID: USC00117370
Lat: 41.7981
Long: -89.6414
County: Whiteside
Elev: 679 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.37 1.40 2.51 3.94 4.63 4.28 4.26 4.56 3.40 2.87 2.62 1.85 37.69
Snow 8.7 4.3 2.2 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.9 9.4 25.9
City: ROCK ISLAND L&D 15
State: IL
ID: USC00117391
Lat: 41.5194
Long: -90.5644
County: Rock Island
Elev: 568 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.8 36.5 48.9 62.3 72.6 81.5 84.8 83.0 76.5 64.0 49.4 34.5 60.6
Mean 24.1 28.6 40.0 52.5 63.1 72.5 76.3 74.4 67.1 54.7 41.5 27.6 52.0
Minimum 16.3 20.8 31.0 42.7 53.6 63.6 67.8 65.8 57.6 45.4 33.6 20.7 43.3
CDD 0 <0.5 1 14 75 241 351 295 130 19 1 0 1128
HDD 1269 1018 777 389 134 14 <0.5 4 69 338 706 1159 5879
Precip 1.35 1.52 2.65 3.44 4.57 5.00 4.06 4.14 2.99 2.95 2.46 1.93 37.06
City: ROCKFORD AP
State: IL
ID: USW00094822
Lat: 42.1928
Long: -89.0931
County: Winnebago
Elev: 730 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.5 34.2 46.9 60.7 71.8 81.1 84.5 82.4 75.4 62.7 47.6 33.2 59.3
Mean 21.5 25.9 37.2 49.4 60.1 69.8 73.8 71.9 63.9 51.7 38.9 25.4 49.2
Minimum 13.5 17.7 27.5 38.1 48.4 58.5 63.0 61.3 52.4 40.7 30.3 17.7 39.2
CDD 0 0 <0.5 8 47 175 274 223 84 9 <0.5 0 820
HDD 1348 1093 862 476 198 31 3 11 117 422 782 1226 6569
Precip 1.37 1.41 2.32 3.35 4.02 4.65 3.95 4.59 3.35 2.67 2.58 1.98 36.24
Snow 10.2 7.7 4.8 0.9 0.0 0.0 0.0 0.0 0.0 0.1 1.7 11.3 36.7
City: ROMEOVILLE WFO
State: IL
ID: USC00117457
Lat: 41.6044
Long: -88.0858
County: Will
Elev: 640 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.6 35.5 47.8 60.8 71.1 80.2 84.0 82.0 75.6 62.9 48.5 34.7 59.6
Mean 23.2 27.6 38.6 50.2 60.5 69.9 74.0 72.3 65.1 52.9 40.6 27.4 50.3
Minimum 15.8 19.7 29.5 39.6 49.9 59.6 64.1 62.7 54.6 43.0 32.7 20.0 41.0
CDD 0 <0.5 <0.5 5 53 180 282 233 94 15 <0.5 0 862
HDD 1295 1047 817 449 192 33 2 6 91 388 732 1167 6220
Precip 1.93 1.78 2.77 3.96 4.26 4.34 4.71 4.07 3.13 3.41 3.46 2.25 40.07
Snow 10.8 6.4 4.4 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.9 9.3 32.3
City: ROSCOE 2 SE
State: IL
ID: USC00117470
Lat: 42.4050
Long: -88.9794
County: Winnebago
Elev: 863 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.45 1.49 2.14 3.37 4.06 4.71 3.86 4.69 3.53 2.88 2.72 2.00 36.90
City: ROSICLARE 5NW
State: IL
ID: USC00117487
Lat: 37.4747
Long: -88.4122
County: Hardin
Elev: 400 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.3 47.5 57.9 68.7 76.2 84.0 87.6 87.8 81.2 70.4 58.0 45.3 67.3
Mean 32.4 36.3 45.9 56.0 64.4 73.0 76.6 75.7 68.3 56.9 46.7 35.4 55.7
Minimum 22.4 25.2 33.8 43.4 52.6 62.1 65.6 63.6 55.5 43.4 35.3 25.5 44.1
CDD <0.5 <0.5 4 24 86 251 360 333 153 24 3 <0.5 1238
HDD 1012 802 598 293 104 9 1 2 52 275 553 917 4619
Precip 3.63 3.78 4.56 4.63 5.57 4.28 4.25 3.29 3.35 3.77 4.31 4.44 49.86
Snow 3.2 2.9 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 1.4 8.0
City: RUSHVILLE 4NE
State: IL
ID: USC00117551
Lat: 40.1347
Long: -90.4792
County: Schuyler
Elev: 669 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.9 39.0 50.5 63.1 72.7 81.8 85.8 84.5 77.7 65.9 51.6 37.6 62.1
Mean 25.5 30.1 40.7 52.5 62.3 71.7 75.5 73.9 66.3 54.8 42.2 29.3 52.2
Minimum 17.1 21.2 31.0 41.9 51.9 61.6 65.3 63.2 54.9 43.7 32.9 21.1 42.3
CDD 0 <0.5 2 13 63 220 328 279 120 18 1 0 1042
HDD 1224 977 753 388 147 19 1 5 81 334 683 1105 5716
Precip 1.63 1.90 2.60 3.92 5.12 4.57 4.41 3.65 3.57 3.35 3.00 2.44 40.16
Snow 6.6 3.7 1.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.5 15.3
City: SALEM
State: IL
ID: USC00117636
Lat: 38.6453
Long: -88.9461
County: Marion
Elev: 550 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 38.0 43.0 54.0 65.9 75.3 84.3 87.8 86.9 79.7 68.3 54.6 41.2 65.0
Mean 29.3 33.3 43.5 54.9 64.6 73.7 77.4 76.0 68.0 56.5 44.6 32.7 54.6
Minimum 20.5 23.6 33.0 43.9 53.8 63.2 67.1 65.2 56.3 44.6 34.6 24.2 44.3
CDD 0 <0.5 2 20 91 272 386 344 147 23 1 <0.5 1286
HDD 1108 887 669 323 104 9 <0.5 2 57 288 613 1001 5063
Precip 2.83 2.64 3.69 3.77 5.02 4.18 4.02 3.39 3.17 3.74 4.20 3.23 43.88
Snow 4.1 3.6 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.3 2.7 11.5
City: SAYBROOK 2N
State: IL
ID: USC00117590
Lat: 40.4536
Long: -88.5364
County: McLean
Elev: 800 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.5 36.0 48.3 62.3 72.3 81.1 84.0 83.0 77.9 65.6 49.9 35.3 60.7
Mean 23.3 27.6 38.3 50.6 61.3 70.4 73.3 71.6 64.8 53.3 40.5 27.3 50.3
Minimum 15.0 19.1 28.3 38.8 50.2 59.7 62.5 60.2 51.6 41.0 31.0 19.3 39.8
CDD 0 0 <0.5 5 37 175 256 211 61 2 0 0 746
HDD 1294 1048 828 439 153 14 <0.5 7 69 365 737 1168 6120
Precip 2.01 1.76 2.61 3.60 4.36 3.91 4.16 3.90 2.89 3.21 3.35 2.30 38.06
City: SHABBONA 3S
State: IL
ID: USC00117833
Lat: 41.7322
Long: -88.8653
County: DeKalb
Elev: 850 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.63 1.64 2.10 3.08 4.41 4.23 4.29 4.07 3.75 2.90 2.59 2.15 36.84
Snow 10.6 5.9 3.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.4 9.5 30.4
City: SHABBONA 5 NNE
State: IL
ID: USW00054811
Lat: 41.8431
Long: -88.8514
County: DeKalb
Elev: 861 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 27.7 32.5 44.9 58.7 69.7 79.2 81.9 80.0 73.9 62.0 46.5 31.9 57.5
Mean 19.9 24.6 35.8 47.8 58.6 68.4 71.2 69.3 61.7 50.4 37.5 24.3 47.5
Minimum 12.1 16.6 26.7 36.8 47.5 57.5 60.5 58.6 49.5 38.8 28.5 16.7 37.6
CDD 0 0 0 <0.5 28 138 200 155 44 8 <0.5 0 574
HDD 1398 1132 905 518 227 38 8 22 144 461 825 1261 6939
Precip 1.58 1.56 2.19 3.31 4.04 4.47 4.15 4.49 3.33 2.82 2.76 2.21 36.91
City: SHAWNEETOWN OLD TOWN
State: IL
ID: USC00117859
Lat: 37.6978
Long: -88.1336
County: Union
Elev: 350 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 3.07 3.43 4.52 3.98 5.14 4.03 4.02 2.87 2.73 3.15 4.30 4.01 45.25
Snow 3.8 3.2 0.5 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.3 9.9
City: SHELBYVILLE DAM
State: IL
ID: USC00117876
Lat: 39.4067
Long: -88.7747
County: Shelby
Elev: 655 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.8 41.4 51.9 64.0 73.9 83.2 86.6 85.7 80.0 66.9 53.3 39.5 63.5
Mean 26.5 31.6 41.8 53.5 63.6 73.3 76.6 75.1 68.1 55.4 43.4 30.9 53.4
Minimum 18.1 21.9 31.7 43.0 53.4 63.5 66.6 64.5 56.3 44.0 33.4 22.3 43.3
CDD 0 <0.5 1 13 77 262 360 315 150 22 <0.5 0 1200
HDD 1195 934 720 358 119 12 <0.5 3 56 318 650 1057 5420
Precip 2.11 2.06 2.73 3.83 4.05 3.85 3.54 3.20 3.07 3.84 4.06 2.95 39.29
City: SHERMAN 1ESE
State: IL
ID: USC00117896
Lat: 39.8886
Long: -89.5992
County: Sangamon
Elev: 580 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.87 1.88 2.66 3.81 4.29 4.55 4.47 3.29 3.16 3.12 3.52 2.52 39.14
City: SHIRLAND
State: IL
ID: USC00117916
Lat: 42.4436
Long: -89.1975
County: Winnebago
Elev: 740 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.41 1.44 2.06 3.44 3.92 4.94 4.07 4.43 3.58 2.88 2.63 2.23 37.03
City: SIDELL 5NW
State: IL
ID: USC00117952
Lat: 39.9811
Long: -87.8769
County: Vermilion
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.5 36.7 49.6 62.9 73.5 83.0 85.6 84.5 78.4 65.7 51.5 36.7 61.8
Mean 24.5 28.0 39.5 51.6 62.5 72.3 74.7 73.2 65.8 53.8 42.1 29.1 51.5
Minimum 16.5 19.2 29.4 40.3 51.4 61.5 63.8 61.8 53.2 41.9 32.6 21.4 41.2
CDD 0 0 1 8 69 233 302 260 104 17 1 0 995
HDD 1255 1037 791 410 148 16 1 8 81 364 689 1114 5915
Precip 2.16 2.14 2.64 3.75 4.54 3.78 5.15 3.45 2.77 3.34 3.62 2.84 40.18
Snow 7.8 6.8 2.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 7.0 24.6
City: SMITHLAND L&D
State: IL
ID: USC00118020
Lat: 37.1644
Long: -88.4311
County: Pope
Elev: 357 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.0 46.9 57.0 67.8 76.4 84.4 88.1 87.6 80.7 69.6 57.8 45.2 67.0
Mean 33.3 37.3 46.5 56.6 65.7 74.1 78.2 77.3 69.9 58.1 47.5 36.3 56.8
Minimum 24.7 27.7 36.1 45.3 55.1 63.9 68.2 67.1 59.0 46.5 37.2 27.5 46.6
CDD <0.5 <0.5 3 24 104 281 408 384 182 31 2 <0.5 1419
HDD 981 776 575 278 81 6 <0.5 1 36 246 527 888 4396
Precip 3.42 3.90 4.08 4.45 5.13 4.27 4.10 2.67 3.60 3.80 4.13 4.59 48.14
Snow 1.2 1.4 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.6 4.6
City: SPARLAND
State: IL
ID: USC00118146
Lat: 41.0314
Long: -89.4403
County: Marshall
Elev: 573 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.91 2.54 3.68 3.67 4.79 3.94 3.94 3.77 3.68 3.35 3.11 3.59 42.97
City: SPARTA 1 W
State: IL
ID: USC00118147
Lat: 38.1167
Long: -89.7167
County: Randolph
Elev: 535 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.9 45.0 55.8 66.9 75.7 84.5 88.1 87.4 80.3 69.5 56.0 42.6 66.1
Mean 30.7 35.1 44.5 55.1 64.3 73.4 77.2 75.8 67.8 57.0 45.7 33.8 55.1
Minimum 21.5 25.1 33.1 43.3 53.0 62.4 66.3 64.2 55.2 44.4 35.4 24.9 44.2
CDD 0 <0.5 3 22 89 264 379 338 147 26 2 <0.5 1269
HDD 1063 839 640 319 109 11 <0.5 3 64 276 581 969 4873
Precip 2.65 2.62 4.00 4.19 5.31 4.27 4.13 3.06 3.16 3.82 4.34 3.34 44.89
Snow 4.2 4.1 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.9 12.5
City: SPRING GROVE
State: IL
ID: USC00118192
Lat: 42.4678
Long: -88.2372
County: McHenry
Elev: 856 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.68 1.82 2.34 3.56 4.10 4.19 3.77 4.07 3.40 3.00 2.80 2.10 36.83
City: SPRINGFIELD #2
State: IL
ID: USC00118186
Lat: 39.8361
Long: -89.6250
County: Sangamon
Elev: 590 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.3 40.5 51.9 64.4 73.9 82.7 85.9 84.7 77.9 66.3 53.0 39.2 63.1
Mean 27.0 30.8 41.3 53.3 63.4 72.9 76.2 74.4 66.3 55.1 43.1 30.7 53.0
Minimum 18.6 21.0 30.7 42.2 52.9 63.1 66.5 64.0 54.7 43.9 33.1 22.2 42.8
CDD 0 0 2 14 72 245 347 295 109 23 1 <0.5 1108
HDD 1179 958 737 365 121 9 <0.5 6 70 329 659 1062 5497
Precip 2.00 1.91 2.75 3.63 4.73 4.57 4.32 3.24 3.28 3.19 3.52 2.54 39.68
City: SPRINGFIELD LINCOLN AP
State: IL
ID: USW00093822
Lat: 39.8447
Long: -89.6839
County: Sangamon
Elev: 594 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.8 39.9 52.1 64.6 74.8 83.1 86.2 84.9 78.9 66.4 52.3 38.3 63.1
Mean 26.7 31.2 42.1 53.5 63.7 72.5 75.8 74.2 66.8 55.1 43.1 30.4 53.0
Minimum 18.7 22.6 32.2 42.4 52.6 61.9 65.4 63.6 54.6 43.8 33.9 22.5 43.0
CDD 0 <0.5 2 18 84 240 335 291 129 22 1 <0.5 1123
HDD 1186 945 711 363 125 15 1 4 76 329 658 1072 5484
Precip 1.82 1.81 2.63 3.51 4.24 4.46 3.94 3.24 2.90 3.15 3.21 2.52 37.43
Snow 6.4 5.5 2.5 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 5.6 20.9
City: ST ANNE
State: IL
ID: USC00118194
Lat: 41.0228
Long: -87.7175
County: Kankakee
Elev: 670 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.96 1.76 2.58 3.53 4.32 4.13 4.39 4.06 3.14 3.28 3.29 2.48 38.92
City: ST CHARLES 7 NW
State: IL
ID: USC00117586
Lat: 41.9603
Long: -88.4228
County: Kane
Elev: 870 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.76 1.84 2.38 3.41 4.28 4.12 3.98 4.59 3.60 3.20 3.18 2.17 38.51
City: ST DAVID
State: IL
ID: USC00118204
Lat: 40.4928
Long: -90.0469
County: Fulton
Elev: 625 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.79 1.86 2.94 4.22 5.70 4.80 4.88 4.13 3.60 3.06 3.22 2.71 42.91
City: STANFORD 2S
State: IL
ID: USC00118222
Lat: 40.3992
Long: -89.2167
County: McLean
Elev: 650 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.92 1.77 2.40 3.61 4.45 3.86 3.88 4.09 3.09 3.08 3.34 2.41 37.90
City: STE MARIE
State: IL
ID: USC00117603
Lat: 38.9344
Long: -88.0242
County: Jasper
Elev: 500 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.77 2.50 3.53 4.14 5.21 4.22 4.42 3.29 3.29 3.54 4.14 3.30 44.35
Snow 4.6 2.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 3.9 12.9
City: STEELEVILLE
State: IL
ID: USC00118248
Lat: 38.0033
Long: -89.6503
County: Randolph
Elev: 430 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.54 2.31 3.86 4.37 5.38 4.22 3.50 3.07 3.62 3.74 4.11 3.21 43.93
Snow 2.4 2.6 0.9 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.3 7.7
City: STEWARD 3S
State: IL
ID: USC00118254
Lat: 41.8111
Long: -89.0233
County: Lee
Elev: 810 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.45 1.58 2.17 3.29 3.99 4.19 4.07 4.36 3.56 2.94 2.70 1.95 36.25
City: STOCKTON 3 NNE
State: IL
ID: USC00118293
Lat: 42.4006
Long: -89.9958
County: Jo Daviess
Elev: 970 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 28.0 32.8 45.1 59.4 70.8 79.5 82.3 80.5 73.8 61.4 46.0 31.6 57.7
Mean 19.7 24.6 35.7 48.3 59.3 68.5 71.7 69.8 62.1 50.4 37.5 23.7 47.7
Minimum 11.5 16.3 26.4 37.1 47.9 57.6 61.1 59.0 50.5 39.4 29.0 15.8 37.7
CDD 0 0 <0.5 7 41 146 217 170 61 7 <0.5 0 649
HDD 1403 1132 907 509 216 40 9 23 146 460 825 1280 6951
Precip 1.05 1.37 2.21 3.62 3.82 4.98 3.87 4.60 3.69 3.06 2.66 1.70 36.63
Snow 9.3 6.6 4.4 1.4 0.1 0.0 0.0 0.0 0.0 0.2 1.6 8.3 31.9
City: STREAMWOOD
State: IL
ID: USC00118324
Lat: 42.0256
Long: -88.1783
County: Cook
Elev: 819 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.9 36.4 47.7 61.0 72.6 83.3 86.7 85.0 76.8 64.4 49.8 35.5 61.0
Mean 21.3 25.0 35.3 46.9 57.8 68.4 72.6 71.1 62.4 50.6 38.2 25.0 48.0
Minimum 10.6 13.5 22.8 32.9 42.9 53.5 58.6 57.2 47.9 36.8 26.5 14.6 34.9
CDD 0 0 <0.5 4 34 156 246 203 63 7 <0.5 0 713
HDD 1356 1121 922 545 259 54 9 14 143 454 806 1238 6921
Precip 1.71 1.62 2.30 3.15 4.31 3.92 4.29 4.67 3.60 3.30 3.03 2.07 37.97
Snow 11.9 6.0 5.1 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.8 8.7 34.3
City: STREATOR 3 SE
State: IL
ID: USC00118353
Lat: 41.0908
Long: -88.8158
County: Livingston
Elev: 610 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.32 1.93 2.93 3.55 4.07 4.11 4.37 3.64 3.32 2.92 3.23 2.66 39.05
Snow 8.6 5.8 3.2 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.6 7.4 26.5
City: SULLIVAN 3S
State: IL
ID: USC00118389
Lat: 39.5608
Long: -88.6067
County: Moultrie
Elev: 659 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 34.5 39.0 50.2 63.4 72.7 82.5 85.2 84.7 77.3 66.0 51.3 38.5 62.2
Mean 26.2 29.9 40.4 51.9 62.1 71.9 75.0 72.9 64.9 54.2 41.8 30.5 51.9
Minimum 17.9 20.9 30.6 40.4 51.5 61.3 64.8 61.1 52.5 42.4 32.4 22.5 41.6
CDD 0 0 1 10 66 222 311 252 86 18 1 0 967
HDD 1203 981 763 403 156 15 2 7 89 353 695 1069 5736
Precip 2.38 2.18 2.59 3.67 4.50 4.44 4.34 3.06 2.61 3.25 3.60 3.15 39.77
Snow 5.9 3.1 1.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 3.3 13.7
City: TAYLORVILLE 2SW
State: IL
ID: USC00118491
Lat: 39.5333
Long: -89.3069
County: Christian
Elev: 600 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.10 1.99 2.74 3.71 4.80 4.39 3.73 3.57 3.72 3.55 3.74 2.80 40.84
City: TOULON
State: IL
ID: USC00118630
Lat: 41.0908
Long: -89.8614
County: Stark
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.66 1.72 2.60 3.31 4.35 4.11 3.79 4.12 3.42 2.75 2.83 2.16 36.82
City: TRIMBLE 1E
State: IL
ID: USC00118634
Lat: 39.0597
Long: -87.6625
County: Crawford
Elev: 490 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.75 2.53 3.43 4.28 4.85 4.21 3.57 3.10 3.49 3.50 3.96 3.25 42.92
City: TUSCOLA
State: IL
ID: USC00118684
Lat: 39.7950
Long: -88.2900
County: Douglas
Elev: 655 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 33.0 37.6 49.9 63.0 73.5 82.9 85.4 84.1 78.3 65.9 50.8 36.9 61.9
Mean 25.2 29.1 40.3 52.5 63.2 72.8 75.5 73.7 66.4 54.5 41.7 29.4 52.1
Minimum 17.3 20.6 30.7 41.9 52.9 62.8 65.5 63.2 54.5 43.1 32.7 21.9 42.4
CDD 0 0 1 11 79 250 325 273 118 16 <0.5 0 1073
HDD 1235 1005 766 387 135 14 1 5 76 342 698 1103 5768
Precip 2.10 2.20 2.81 4.15 4.18 4.44 4.76 3.26 3.01 3.25 3.85 2.94 40.95
Snow 6.1 4.4 2.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.7 4.7 18.0
City: URBANA 2
State: IL
ID: USC00118742
Lat: 40.1147
Long: -88.2233
County: Champaign
Elev: 740 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.03 2.13 2.87 3.66 4.57 4.30 5.05 3.58 3.09 3.30 3.64 2.80 41.02
City: URBANA
State: IL
ID: USC00118740
Lat: 40.0839
Long: -88.2403
County: Champaign
Elev: 721 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 32.9 37.7 49.9 62.8 73.4 82.5 85.0 83.7 78.2 65.2 50.6 36.7 61.7
Mean 24.8 29.0 40.0 51.9 62.5 72.2 74.9 73.4 66.2 53.9 41.3 28.9 51.7
Minimum 16.7 20.2 30.0 41.1 51.6 61.9 64.9 63.1 54.2 42.6 32.0 21.2 41.7
CDD 0 0 1 10 69 233 309 265 115 14 <0.5 <0.5 1016
HDD 1246 1009 777 402 146 17 1 5 79 358 711 1117 5869
Precip 2.05 2.13 2.86 3.68 4.89 4.34 4.70 3.93 3.13 3.26 3.68 2.73 41.38
Snow 6.8 5.8 2.6 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.9 6.6 23.2
City: UTICA STARVED ROCK DAM
State: IL
ID: USC00118756
Lat: 41.3242
Long: -88.9858
County: La Salle
Elev: 460 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.73 1.76 2.79 3.37 4.18 3.70 3.95 4.07 3.17 2.77 3.15 2.35 36.99
Snow 7.0 5.6 2.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.9 19.9
City: VANDALIA
State: IL
ID: USC00118781
Lat: 38.9703
Long: -89.0922
County: Fayette
Elev: 540 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.3 41.5 52.6 64.9 74.3 83.6 87.0 86.0 79.2 67.1 53.9 40.1 64.0
Mean 28.3 32.7 42.8 54.1 63.8 73.2 76.8 75.2 67.1 55.3 44.3 31.9 53.9
Minimum 20.3 23.9 33.0 43.2 53.2 62.7 66.6 64.4 55.1 43.4 34.7 23.8 43.8
CDD 0 <0.5 2 17 83 258 366 319 133 18 1 0 1198
HDD 1138 904 691 346 122 14 1 3 68 321 623 1024 5253
Precip 2.63 2.55 3.24 3.70 5.00 4.15 3.60 3.20 2.85 3.24 4.02 3.09 41.27
Snow 4.4 2.9 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.7 12.0
City: VARNA
State: IL
ID: USC00118797
Lat: 41.0389
Long: -89.2289
County: Marshall
Elev: 729 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.73 1.54 2.55 3.54 4.62 3.76 4.44 3.89 3.36 2.85 3.28 1.97 37.53
Snow 6.4 2.4 1.8 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.4 15.5
City: VIRDEN
State: IL
ID: USC00118860
Lat: 39.5061
Long: -89.7689
County: Macoupin
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 36.2 41.1 53.4 66.7 75.6 83.6 86.9 85.9 79.8 67.6 52.9 39.2 64.2
Mean 28.6 33.1 43.9 55.8 65.1 73.7 77.0 75.5 68.6 57.1 44.5 31.9 54.7
Minimum 21.1 25.2 34.3 44.9 54.7 63.7 67.0 65.1 57.3 46.6 36.1 24.6 45.1
CDD 0 <0.5 4 28 100 269 371 328 161 29 1 <0.5 1291
HDD 1127 892 659 304 95 10 <0.5 2 55 274 616 1026 5061
Precip 1.92 2.07 2.80 3.55 4.29 3.95 3.61 2.92 3.10 3.14 3.50 2.65 37.50
Snow 5.9 5.8 2.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.4 19.7
City: VIRGINIA
State: IL
ID: USC00118870
Lat: 39.9494
Long: -90.2083
County: Cass
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.90 2.07 2.76 3.73 4.56 4.29 4.33 3.53 3.36 3.07 3.48 2.67 39.75
Snow 6.8 5.3 2.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.4 20.2
City: WALNUT
State: IL
ID: USC00118916
Lat: 41.5519
Long: -89.5989
County: Bureau
Elev: 690 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.4 34.1 46.7 60.8 71.5 80.7 83.6 81.7 75.3 62.9 47.9 33.5 59.1
Mean 20.9 25.5 37.3 49.6 60.6 70.0 73.3 71.3 63.6 51.5 38.8 25.2 49.1
Minimum 12.3 16.9 27.8 38.4 49.7 59.3 63.1 60.9 51.9 40.0 29.8 16.9 39.0
CDD 0 0 <0.5 10 53 180 264 209 80 9 <0.5 0 806
HDD 1368 1106 861 472 190 30 5 14 123 429 785 1234 6615
Precip 1.29 1.57 2.15 3.18 4.36 4.56 3.85 4.44 3.12 2.89 2.44 1.96 35.81
Snow 9.9 7.7 3.3 0.6 0.0 0.0 0.0 0.0 0.0 0.1 1.4 9.2 32.2
City: WALTONVILLE
State: IL
ID: USC00118932
Lat: 38.2133
Long: -89.0850
County: Jefferson
Elev: 511 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.69 2.81 3.97 4.27 5.02 4.03 4.03 2.89 3.07 3.75 4.43 3.43 44.39
Snow 2.9 2.2 0.5 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.8 8.6
City: WATERLOO
State: IL
ID: USC00119002
Lat: 38.3664
Long: -90.1619
County: Monroe
Elev: 661 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 39.2 44.2 55.0 66.5 75.8 84.4 87.7 87.1 79.5 68.0 55.7 42.4 65.5
Mean 31.2 35.5 45.7 56.2 65.6 74.5 77.9 76.8 69.1 58.0 46.7 34.5 56.1
Minimum 23.3 26.8 36.4 45.8 55.4 64.6 68.2 66.4 58.8 48.0 37.7 26.6 46.6
CDD <0.5 <0.5 7 30 107 294 402 366 178 33 6 <0.5 1422
HDD 1046 826 605 295 88 9 1 2 53 250 555 945 4675
Precip 2.45 2.53 3.30 4.09 4.93 4.22 4.22 3.11 3.69 3.57 3.75 3.32 43.18
Snow 4.2 3.2 0.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.6 11.5
City: WATSEKA 2 NW
State: IL
ID: USC00119021
Lat: 40.7928
Long: -87.7556
County: Iroquois
Elev: 620 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.5 36.3 48.3 61.4 72.3 81.6 84.2 82.8 77.5 64.7 50.0 35.5 60.6
Mean 23.5 27.4 38.5 50.2 60.9 70.5 73.5 71.5 64.6 52.8 40.8 27.7 50.3
Minimum 15.5 18.6 28.7 38.9 49.6 59.5 62.8 60.2 51.7 40.8 31.6 20.0 39.9
CDD 0 0 1 8 60 195 267 212 93 14 <0.5 0 850
HDD 1286 1051 822 454 185 29 4 11 105 394 726 1154 6222
Precip 1.67 1.80 2.90 3.57 4.27 4.14 4.49 3.45 3.08 3.41 3.20 2.38 38.36
Snow 5.3 4.8 1.6 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.5 18.5
City: WAUKEGAN
State: IL
ID: USC00119029
Lat: 42.3492
Long: -87.8828
County: Lake
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 29.9 34.1 44.0 55.9 66.5 77.0 81.4 80.0 73.0 61.0 47.5 34.2 57.1
Mean 22.5 26.5 35.9 46.9 56.8 67.0 72.3 71.3 63.4 51.6 39.8 27.3 48.5
Minimum 15.1 18.9 27.8 37.8 47.0 57.1 63.2 62.7 53.8 42.3 32.1 20.4 39.9
CDD 0 <0.5 1 9 34 133 237 212 75 7 <0.5 0 708
HDD 1317 1078 903 553 290 72 11 15 124 421 756 1168 6708
City: WEST CHICAGO DUPAGE AP
State: IL
ID: USW00094892
Lat: 41.9144
Long: -88.2464
County: DuPage
Elev: 754 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 31.4 36.3 48.0 60.9 71.2 81.0 85.1 82.5 75.6 63.2 49.1 35.2 60.1
Mean 23.5 27.9 38.1 49.3 59.5 69.8 73.9 72.0 64.2 52.5 40.2 27.2 49.9
Minimum 15.5 19.4 28.1 37.7 47.8 58.5 62.7 61.4 52.9 41.7 31.4 19.1 39.8
CDD 0 0 <0.5 4 42 178 278 222 79 11 <0.5 0 815
HDD 1288 1040 836 475 213 36 2 7 102 400 743 1173 6314
Precip 1.31 1.42 2.36 3.35 4.58 3.89 4.12 4.60 3.29 3.19 3.08 1.72 36.91
City: WEST FRANKFORT
State: IL
ID: USC00119148
Lat: 37.9089
Long: -88.9317
County: Franklin
Elev: 425 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 2.71 2.91 3.99 4.14 4.82 3.93 3.43 3.09 2.75 3.57 4.41 3.74 43.49
City: WHEATON 3 SE
State: IL
ID: USC00119221
Lat: 41.8128
Long: -88.0728
County: DuPage
Elev: 680 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 30.1 35.1 47.0 60.1 70.6 80.1 83.2 81.3 74.8 62.7 47.8 33.7 59.0
Mean 22.4 26.5 36.7 48.3 58.4 68.0 72.2 70.6 63.1 51.4 39.1 26.3 48.7
Minimum 14.7 17.9 26.5 36.6 46.1 55.9 61.3 59.9 51.4 40.2 30.4 18.9 38.4
CDD 0 0 <0.5 7 35 142 233 191 72 8 <0.5 0 689
HDD 1320 1078 876 506 242 53 8 17 129 428 777 1199 6633
Precip 1.91 1.85 2.46 3.55 4.07 4.18 4.13 4.34 3.43 3.14 3.34 2.38 38.78
Snow 9.6 8.0 3.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.7 5.4 28.0
City: WHITE HALL 1 E
State: IL
ID: USC00119241
Lat: 39.4411
Long: -90.3789
County: Greene
Elev: 580 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.3 40.4 51.6 64.1 73.6 82.3 85.7 84.7 78.4 66.5 52.6 38.9 62.9
Mean 26.7 30.8 41.3 52.9 62.9 72.0 75.5 74.0 66.3 54.6 42.7 30.3 52.6
Minimum 18.0 21.2 31.0 41.8 52.1 61.7 65.3 63.3 54.2 42.8 32.8 21.7 42.3
CDD 0 <0.5 2 15 69 227 326 284 121 17 1 <0.5 1062
HDD 1189 958 736 377 136 17 1 5 82 338 670 1076 5584
Precip 1.70 1.92 2.91 3.80 4.48 3.98 3.88 3.18 3.18 3.04 3.54 2.61 38.22
Snow 5.5 4.5 1.8 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.9 16.5
City: WINCHESTER
State: IL
ID: USC00119331
Lat: 39.6319
Long: -90.4572
County: Scott
Elev: 510 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.3 40.5 52.3 65.5 74.5 83.3 86.9 86.4 79.5 67.3 53.0 38.9 63.7
Mean 26.7 31.2 41.8 53.4 63.4 72.6 76.1 74.8 66.5 54.8 42.8 30.3 53.0
Minimum 18.1 22.0 31.2 41.3 52.3 61.9 65.3 63.1 53.5 42.3 32.5 21.6 42.2
CDD 0 <0.5 2 14 79 243 345 305 117 19 1 0 1124
HDD 1187 945 722 362 129 15 1 3 72 335 668 1077 5516
Precip 1.99 1.96 2.99 3.78 4.60 4.66 4.01 3.65 3.29 3.05 3.55 2.53 40.06
City: WINDSOR
State: IL
ID: USC00119354
Lat: 39.4458
Long: -88.5961
County: Shelby
Elev: 690 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 35.1 40.1 51.9 64.8 74.3 82.9 85.9 84.8 78.7 66.8 52.1 38.3 63.1
Mean 27.8 32.1 42.5 54.1 63.9 72.7 75.9 74.2 67.4 56.0 43.6 31.1 53.5
Minimum 20.4 24.0 33.2 43.4 53.5 62.4 65.9 63.6 56.0 45.2 35.0 24.0 44.0
CDD 0 <0.5 2 17 81 242 338 289 134 21 1 <0.5 1126
HDD 1155 922 698 344 115 13 1 4 63 300 644 1049 5309
Precip 2.36 1.94 3.03 3.84 4.38 4.09 3.97 3.02 3.10 3.66 4.10 2.99 40.48
Snow 4.5 3.4 2.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.8 4.8 15.8
City: WOODHULL
State: IL
ID: USC00119469
Lat: 41.1831
Long: -90.3164
County: Henry
Elev: 815 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.40 1.64 2.48 3.54 3.80 4.41 4.01 3.74 3.21 2.68 3.08 2.23 36.22
Snow 7.8 5.7 4.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.7 7.5 26.1
City: WOODSTOCK 5 NW
State: IL
ID: USC00119480
Lat: 42.3628
Long: -88.5314
County: McHenry
Elev: 928 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.36 1.51 2.16 3.42 4.11 4.47 4.16 4.37 3.39 2.91 2.72 2.04 36.62
City: YATES CITY
State: IL
ID: USC00119816
Lat: 40.7764
Long: -90.0203
County: Knox
Elev: 675 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.80 1.66 2.78 3.26 4.44 4.16 4.81 4.20 3.99 2.64 2.56 2.03 38.33
Snow 7.3 4.9 2.5 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.6 7.2 22.8
City: YORKVILLE 3 SW
State: IL
ID: USC00119827
Lat: 41.6122
Long: -88.4792
County: Kendall
Elev: 700 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precip 1.67 1.71 2.25 3.57 4.32 4.11 4.54 4.41 3.36 3.32 3.12 2.21 38.59