ILLINOIS
Climate Normals (1971-2000)
other states
 
City:ALBION                 
State:IL
Lat:38.24N
Long:088.04W
Elev:  530
ID:110055
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.2  24.9  35.4  45.1  55.3  64.2  67.9  65.8  58.2  46.6  35.8  25.8  45.5
Maximum     37.4  43.5  54.7  66.0  76.2  85.5  89.2  87.5  80.9  69.9  54.3  42.2  65.6
Mean        29.3  34.2  45.1  55.6  65.8  74.9  78.6  76.7  69.6  58.3  45.1  34.0  55.6
Precip.     2.57  2.72  4.29  5.13  4.61  4.19  3.86  3.43  2.89  3.36  4.28  3.51 44.84
HDD         1106   861   619   299   106     5     0     3    35   246   600   960  4840
CDD            0     0     0    15   129   301   420   364   171    37     1     0  1438
City:ALEDO                  
State:IL
Lat:41.12N
Long:090.45W
Elev:  720
ID:110072
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     11.1  16.4  26.4  37.0  48.5  58.8  62.3  59.9  51.4  39.6  28.0  17.0  38.0
Maximum     28.9  34.6  47.3  60.9  71.6  80.8  84.4  82.2  75.2  63.5  46.7  33.5  59.1
Mean        20.0  25.5  36.9  49.0  60.1  69.8  73.4  71.1  63.3  51.6  37.4  25.3  48.6
Precip.     1.27  1.29  2.43  3.69  3.92  4.43  4.21  4.28  3.31  2.73  2.50  1.92 35.98
HDD         1395  1107   873   485   206    24     5    28   117   422   830  1232  6724
CDD            0     0     0     3    53   169   263   217    65     4     0     0   774
City:ALTON MELVIN PRICE L&D 
State:IL
Lat:38.49N
Long:090.09W
Elev:  430
ID:110137
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     19.4  24.0  33.7  44.6  55.0  64.3  68.7  66.4  58.0  46.2  35.4  24.6  45.0
Maximum     36.0  41.8  52.5  64.1  74.6  83.7  88.1  86.3  79.1  67.5  53.2  40.7  64.0
Mean        27.7  32.9  43.1  54.4  64.8  74.0  78.4  76.4  68.6  56.9  44.3  32.7  54.5
Precip.     1.99  2.30  3.47  4.16  4.24  3.22  3.49  3.17  3.14  2.70  3.75  2.91 38.54
HDD         1156   900   680   333   122     8     0     7    48   270   622  1003  5149
CDD            0     0     0    14   115   278   416   359   154    18     0     0  1354
City:ANNA 2 NNE             
State:IL
Lat:37.29N
Long:089.15W
Elev:  640
ID:110187
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     22.5  26.5  35.0  44.4  53.4  61.7  65.9  63.7  56.2  44.7  35.9  26.7  44.7
Maximum     42.4  49.1  59.5  69.8  78.1  86.1  89.5  88.5  81.6  71.6  57.9  46.2  68.4
Mean        32.5  37.8  47.3  57.1  65.8  73.9  77.7  76.1  68.9  58.2  46.9  36.5  56.6
Precip.     3.59  3.42  4.73  4.70  5.22  4.23  3.26  3.58  3.13  3.38  4.76  4.30 48.30
HDD         1009   763   552   255    90     3     0     3    40   238   544   886  4383
CDD            0     0     1    18   114   272   394   346   157    27     1     0  1330
City:ANTIOCH                
State:IL
Lat:42.29N
Long:088.06W
Elev:  750
ID:110203
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     11.4  16.0  27.0  36.9  47.2  56.9  62.3  61.3  53.6  41.5  30.1  18.1  38.5
Maximum     27.8  32.9  43.6  56.3  68.8  78.3  82.2  80.3  72.8  61.3  46.1  33.0  57.0
Mean        19.6  24.5  35.3  46.6  58.0  67.6  72.3  70.8  63.2  51.4  38.1  25.6  47.8
Precip.     1.74  1.42  2.17  3.77  3.59  4.22  4.03  4.50  3.50  2.49  2.88  2.19 36.50
HDD         1408  1135   921   554   260    51     8    26   111   427   806  1223  6930
CDD            0     0     0     1    42   129   233   206    55     4     0     0   670
City:APPLE RIVER CANYON SP  
State:IL
Lat:42.27N
Long:090.03W
Elev:  820
ID:110211
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.36  1.45  2.22  3.60  3.82  4.77  3.96  4.36  3.58  2.73  2.37  1.97 36.19
City:AURORA                 
State:IL
Lat:41.46N
Long:088.19W
Elev:  640
ID:110338
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.5  15.6  26.1  36.2  46.4  55.7  60.6  58.4  49.9  38.2  27.7  16.4  36.8
Maximum     29.4  34.9  46.4  59.3  71.5  80.7  84.2  82.1  75.2  63.1  47.2  34.2  59.0
Mean        20.0  25.3  36.3  47.8  59.0  68.2  72.4  70.3  62.6  50.7  37.5  25.3  48.0
Precip.     1.62  1.52  2.57  3.88  3.91  4.34  4.39  4.38  3.50  2.71  3.17  2.40 38.39
HDD         1397  1113   890   519   237    40     8    27   120   448   828  1232  6859
CDD            0     0     0     1    49   136   237   189    46     3     0     0   661
City:AVON 5 NE              
State:IL
Lat:40.43N
Long:090.22W
Elev:  640
ID:110356
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.35  1.44  2.73  3.56  4.05  4.23  4.37  3.49  3.54  2.87  2.74  2.00 36.37
City:BARRINGTON 3 SW        
State:IL
Lat:42.07N
Long:088.10W
Elev:  875
ID:110442
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.6  14.7  25.1  36.1  46.5  56.7  61.8  59.6  50.5  39.2  28.6  17.0  37.1
Maximum     27.2  32.7  43.9  57.0  69.3  78.8  82.3  80.0  72.6  60.7  45.6  32.4  56.9
Mean        18.4  23.7  34.5  46.6  57.9  67.8  72.1  69.8  61.6  50.0  37.1  24.7  47.0
Precip.     1.56  1.38  2.33  3.66  4.02  4.27  3.80  4.58  3.32  2.62  2.93  2.09 36.56
HDD         1444  1157   945   555   261    50     6    30   146   470   837  1248  7149
CDD            0     0     0     1    41   133   224   179    42     4     0     0   624
City:BEARDSTOWN             
State:IL
Lat:40.01N
Long:090.26W
Elev:  450
ID:110492
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.34  1.51  2.75  3.65  4.12  3.38  3.68  3.46  3.26  3.03  3.36  2.52 36.06
City:BEECHER CITY           
State:IL
Lat:39.11N
Long:088.47W
Elev:  620
ID:110500
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.16  1.93  3.67  3.78  4.70  4.00  3.90  2.80  2.78  3.00  3.73  2.59 39.04
City:BELLEVILLE SIU RESEARCH
State:IL
Lat:38.31N
Long:089.51W
Elev:  450
ID:110510
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     22.1  26.7  35.5  44.6  53.9  62.5  66.5  63.7  56.0  45.0  36.1  26.5  44.9
Maximum     39.6  46.1  57.2  68.0  77.3  85.7  89.6  87.8  81.6  71.0  56.0  43.7  67.0
Mean        30.9  36.4  46.4  56.3  65.6  74.1  78.1  75.8  68.8  58.0  46.1  35.1  56.0
Precip.     2.02  2.20  3.54  3.91  4.18  3.97  3.51  3.34  2.98  2.87  3.88  2.97 39.37
HDD         1059   801   579   277   104     6     0     5    39   246   568   928  4612
CDD            0     0     0    16   121   280   404   338   151    29     0     0  1339
City:BENTLEY                
State:IL
Lat:40.21N
Long:091.07W
Elev:  650
ID:110598
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.22  1.54  2.87  3.46  4.58  3.63  4.13  3.61  3.72  2.82  2.77  2.05 36.40
City:BENTON 2 N             
State:IL
Lat:38.02N
Long:088.55W
Elev:  450
ID:110608
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.3  25.8  35.5  44.8  54.3  63.3  67.9  65.3  57.6  45.3  36.7  26.3  45.3
Maximum     39.0  45.1  55.7  66.9  76.4  84.9  89.8  88.5  81.1  69.4  56.0  43.4  66.4
Mean        30.2  35.5  45.6  55.9  65.4  74.1  78.9  76.9  69.4  57.4  46.4  34.9  55.9
Precip.     2.90  2.87  4.18  4.50  4.59  4.06  3.19  3.04  2.89  2.94  4.47  3.56 43.19
HDD         1080   827   601   289   108     4     0     1    41   266   561   934  4712
CDD            0     0     0    14   118   278   429   371   172    29     1     0  1412
City:BLOOMINGTON WATERWORKS 
State:IL
Lat:40.30N
Long:089.00W
Elev:  775
ID:110761
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.52  1.67  3.01  3.58  4.27  3.99  3.77  3.66  3.33  2.61  3.21  2.89 37.51
City:BRADFORD 1 S           
State:IL
Lat:41.10N
Long:089.39W
Elev:  780
ID:110868
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.32  1.39  2.60  3.21  3.56  3.86  3.62  3.96  3.34  2.47  2.77  2.16 34.26
City:BROOKPORT DAM 52       
State:IL
Lat:37.08N
Long:088.39W
Elev:  330
ID:110993
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     25.0  29.0  37.6  46.6  55.9  64.2  68.4  66.1  58.7  46.9  38.0  28.9  47.1
Maximum     42.3  48.3  58.4  68.8  77.5  85.9  89.5  88.4  81.7  71.1  57.7  46.5  68.0
Mean        33.7  38.7  48.0  57.7  66.7  75.1  79.0  77.3  70.2  59.0  47.9  37.7  57.6
Precip.     3.51  3.91  4.42  4.70  4.76  4.03  4.28  3.00  3.27  3.23  4.45  4.37 47.93
HDD          971   737   529   238    79     2     0     1    37   227   515   847  4183
CDD            0     0     1    19   132   304   432   381   192    39     1     0  1501
City:CAHOKIA                
State:IL
Lat:38.34N
Long:090.12W
Elev:  400
ID:111160
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.0  24.2  35.1  45.5  55.1  64.0  68.4  66.4  58.2  46.6  35.5  25.8  45.4
Maximum     38.1  44.5  55.4  66.7  75.7  84.2  88.7  86.8  79.7  69.1  54.6  42.6  65.5
Mean        29.1  34.4  45.3  56.1  65.4  74.1  78.6  76.6  69.0  57.9  45.1  34.2  55.5
Precip.     2.18  2.47  3.68  3.87  3.87  3.69  3.97  3.68  3.19  3.04  3.73  2.96 40.33
HDD         1114   859   613   281   105     6     0     2    43   248   599   956  4826
CDD            0     0     0    14   116   278   421   362   161    26     0     0  1378
City:CAIRO 3 N              
State:IL
Lat:37.03N
Long:089.11W
Elev:  310
ID:111166
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     25.6  29.8  39.3  49.6  59.4  67.3  71.2  68.8  60.9  49.2  39.1  30.1  49.2
Maximum     41.1  47.4  57.5  68.5  77.8  86.2  89.7  87.5  81.0  70.5  56.7  45.7  67.5
Mean        33.4  38.6  48.4  59.1  68.6  76.8  80.5  78.2  71.0  59.9  47.9  37.9  58.4
Precip.     3.21  3.55  4.39  4.74  4.76  4.15  4.38  3.63  3.04  3.43  4.40  4.16 47.84
HDD          982   740   519   215    67     3     0     1    26   207   513   840  4113
CDD            0     0     3    37   179   356   478   408   205    49     1     0  1716
City:CANTON 1 ESE           
State:IL
Lat:40.33N
Long:090.01W
Elev:  650
ID:111250
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.37  1.90  3.06  4.01  4.79  4.32  4.44  3.64  3.55  3.03  3.32  2.42 39.85
City:CARBONDALE SEWAGE PLANT
State:IL
Lat:37.45N
Long:089.10W
Elev:  390
ID:111265
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.8  24.2  33.5  42.4  52.1  61.4  65.9  63.1  55.1  43.3  35.0  25.6  43.5
Maximum     39.3  45.3  55.3  66.2  75.5  84.0  87.8  86.8  79.9  69.2  55.4  43.8  65.7
Mean        30.1  34.8  44.4  54.3  63.8  72.7  76.9  75.0  67.5  56.3  45.2  34.7  54.6
Precip.     2.91  3.01  4.25  4.45  4.78  4.77  3.35  3.94  3.13  2.93  4.62  3.71 45.85
HDD         1085   847   639   329   134    10     0     8    57   288   594   939  4930
CDD            0     0     0     9    96   241   368   315   132    18     0     0  1179
City:CARLINVILLE            
State:IL
Lat:39.17N
Long:089.53W
Elev:  630
ID:111280
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.4  22.0  31.9  43.0  52.8  62.1  66.6  64.4  55.7  44.5  33.4  23.4  43.1
Maximum     34.9  41.2  52.9  65.1  75.0  83.5  87.3  85.6  79.1  67.7  52.2  39.6  63.7
Mean        26.2  31.6  42.4  54.1  63.9  72.8  77.0  75.0  67.4  56.1  42.8  31.5  53.4
Precip.     1.96  1.95  3.54  3.95  4.25  3.89  3.66  3.34  2.88  2.67  3.63  2.87 38.59
HDD         1204   936   701   340   130     8     0     7    60   292   667  1039  5384
CDD            0     0     0    12    95   242   370   317   132    16     0     0  1184
City:CARLYLE RESERVOIR      
State:IL
Lat:38.38N
Long:089.22W
Elev:  501
ID:111290
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.8  22.9  33.1  42.8  53.0  62.1  66.6  64.6  56.7  44.8  34.9  23.8  43.7
Maximum     36.3  42.6  53.7  64.6  74.6  83.6  87.7  86.0  79.4  68.0  54.0  41.7  64.4
Mean        27.6  32.8  43.4  53.7  63.8  72.9  77.2  75.3  68.1  56.4  44.5  32.8  54.0
Precip.     2.17  2.41  3.82  3.91  4.23  4.44  3.69  2.84  3.05  3.01  3.84  3.23 40.64
HDD         1161   903   671   346   135     9     0     6    45   289   618  1000  5183
CDD            0     0     0     8    98   244   376   326   137    22     0     0  1211
City:CARMI 6 NW             
State:IL
Lat:38.09N
Long:088.13W
Elev:  390
ID:111296
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.91  2.69  4.22  4.29  4.81  3.91  3.61  2.86  2.81  2.84  4.25  3.38 42.58
City:CARMI 3                
State:IL
Lat:38.05N
Long:088.11W
Elev:  335
ID:111302
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     22.3  25.7  34.7  43.8  53.5  62.8  67.0  64.3  56.7  44.1  36.1  25.9  44.7
Maximum     40.2  46.0  56.9  68.0  77.1  85.5  88.9  87.5  81.1  70.4  56.2  44.4  66.9
Mean        31.3  35.9  45.8  55.9  65.3  74.2  78.0  75.9  68.9  57.3  46.2  35.2  55.8
Precip.     3.08  3.01  4.41  4.18  5.00  4.56  4.59  3.57  3.14  2.61  4.23  4.00 46.38
HDD         1045   817   597   285   110     4     0     3    42   269   566   926  4664
CDD            0     0     0    10   121   279   401   340   158    29     0     0  1338
City:CASEY                  
State:IL
Lat:39.18N
Long:087.58W
Elev:  620
ID:111329
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.53  2.38  3.41  4.30  4.09  3.60  4.58  3.80  3.02  3.22  3.69  3.05 41.67
City:CENTRALIA              
State:IL
Lat:38.33N
Long:089.08W
Elev:  460
ID:111386
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.56  2.70  3.94  4.64  4.62  4.12  3.95  2.75  3.10  3.32  4.05  3.17 42.92
City:CHANNAHON DRESDEN ISLAN
State:IL
Lat:41.24N
Long:088.17W
Elev:  505
ID:111420
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.74  1.66  2.68  3.67  4.00  4.55  4.12  3.41  3.09  2.70  3.16  2.47 37.25
City:CHARLESTON             
State:IL
Lat:39.28N
Long:088.11W
Elev:  680
ID:111436
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.6  23.5  32.8  42.5  52.3  61.0  65.0  63.3  55.9  44.9  34.4  23.7  43.2
Maximum     35.2  41.0  52.7  65.0  75.5  84.5  87.8  85.6  79.3  67.6  52.5  39.9  63.9
Mean        26.9  32.3  42.8  53.8  63.9  72.8  76.4  74.5  67.6  56.3  43.5  31.8  53.6
Precip.     2.20  2.40  3.35  3.98  4.23  3.94  4.65  3.46  3.17  3.25  3.87  3.23 41.73
HDD         1182   918   690   345   134     8     0     7    57   294   646  1029  5310
CDD            0     0     0     7   100   241   354   300   135    22     0     0  1159
City:CHENOA                 
State:IL
Lat:40.44N
Long:088.43W
Elev:  710
ID:111475
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.6  19.8  30.1  39.9  50.9  60.3  63.8  61.6  53.8  42.8  32.0  20.8  40.9
Maximum     31.5  37.2  49.6  62.9  74.3  83.3  85.6  83.7  77.8  65.6  49.5  36.2  61.4
Mean        23.1  28.5  39.9  51.4  62.6  71.8  74.7  72.7  65.8  54.2  40.8  28.5  51.2
Precip.     1.52  1.43  3.02  3.31  3.88  4.10  3.33  3.22  2.91  2.69  2.73  2.47 34.61
HDD         1300  1023   781   414   165    15     2    16    77   349   728  1132  6002
CDD            0     0     0     6    90   219   303   253   101    14     0     0   986
City:CHESTER                
State:IL
Lat:37.54N
Long:089.50W
Elev:  460
ID:111491
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.55  2.55  3.98  3.85  4.68  4.43  4.16  3.45  3.61  3.08  4.41  3.47 44.22
City:CHICAGO BOTANICAL GARDE
State:IL
Lat:42.08N
Long:087.47W
Elev:  630
ID:111497
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.7  18.1  27.7  36.8  46.7  55.9  62.5  61.7  53.5  41.8  32.1  20.2  39.2
Maximum     30.2  35.0  44.5  55.8  67.4  77.8  83.2  81.3  74.5  63.0  48.5  35.7  58.1
Mean        22.0  26.6  36.1  46.3  57.1  66.9  72.9  71.5  64.0  52.4  40.3  28.0  48.7
Precip.     1.89  1.56  2.50  3.70  3.59  3.86  3.50  4.84  3.24  2.70  3.22  2.20 36.80
HDD         1335  1077   897   562   283    67     7    18    96   398   741  1149  6630
CDD            0     0     0     0    36   123   250   221    66     6     0     0   702
City:CHICAGO OHARE INTL AP  
State:IL
Lat:41.59N
Long:087.55W
Elev:  658
ID:111549
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.3  19.2  28.5  37.6  47.5  57.2  63.2  62.2  53.7  42.1  31.6  20.4  39.8
Maximum     29.6  34.7  46.1  58.0  69.9  79.2  83.5  81.2  73.9  62.1  47.1  34.4  58.3
Mean        22.0  27.0  37.3  47.8  58.7  68.2  73.3  71.7  63.8  52.1  39.3  27.4  49.1
Precip.     1.75  1.63  2.65  3.68  3.38  3.63  3.51  4.62  3.27  2.71  3.01  2.43 36.27
HDD         1333  1075   858   513   232    49     5     9   112   401   759  1147  6493
CDD            0     0     1     9    48   159   283   234    91    10     0     0   835
City:CHICAGO UNIVERSITY     
State:IL
Lat:41.47N
Long:087.36W
Elev:  594
ID:111572
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.3  23.9  32.2  41.5  51.3  60.8  66.3  65.3  57.4  46.2  35.1  23.5  43.5
Maximum     32.2  37.4  47.4  58.9  70.2  80.3  84.4  82.7  76.2  64.3  49.4  37.1  60.0
Mean        25.3  30.7  39.8  50.2  60.8  70.6  75.4  74.0  66.8  55.3  42.3  30.3  51.8
Precip.     2.17  1.77  3.01  3.65  3.70  4.30  3.68  3.86  3.21  2.71  3.32  2.63 38.01
HDD         1233   962   782   448   197    27     1     9    55   314   683  1076  5787
CDD            0     0     0     4    65   193   322   287   110    13     0     0   994
City:CHICAGO MIDWAY AP 3 SW 
State:IL
Lat:41.44N
Long:087.47W
Elev:  620
ID:111577
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.2  21.3  30.6  40.2  50.9  60.7  66.3  65.0  56.7  44.9  33.6  22.2  42.4
Maximum     30.7  36.1  47.4  59.2  71.3  80.8  84.7  82.3  75.1  63.2  48.0  35.6  59.5
Mean        23.5  28.7  39.0  49.7  61.1  70.8  75.5  73.7  65.9  54.1  40.8  28.9  51.0
Precip.     1.95  1.78  2.83  3.82  3.86  4.16  3.82  3.91  3.45  2.79  3.22  2.76 38.35
HDD         1288  1017   805   462   203    28     4    11    67   352   726  1120  6083
CDD            0     0     0     4    82   199   330   279    95    12     0     0  1001
City:CHILLICOTHE            
State:IL
Lat:40.55N
Long:089.30W
Elev:  535
ID:111627
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.58  1.65  2.80  3.34  4.24  3.99  3.67  3.60  3.36  2.66  3.10  2.37 36.36
City:CLAY CITY 6 SSE        
State:IL
Lat:38.36N
Long:088.19W
Elev:  460
ID:111700
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.47  2.57  4.01  4.19  4.23  3.92  3.89  3.66  3.22  3.12  4.19  3.22 42.69
City:CLINTON 1 SSW          
State:IL
Lat:40.08N
Long:088.58W
Elev:  700
ID:111743
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.84  1.93  3.45  4.03  4.28  4.06  4.34  3.88  2.81  3.11  3.28  2.85 39.86
City:CONGERVILLE 2 NW       
State:IL
Lat:40.37N
Long:089.14W
Elev:  635
ID:111836
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.66  1.48  2.59  3.26  4.35  3.09  3.84  3.63  2.87  2.61  2.77  2.63 34.78
City:DANVILLE               
State:IL
Lat:40.08N
Long:087.39W
Elev:  558
ID:112140
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.3  21.9  31.7  41.0  50.7  60.0  64.3  62.6  54.7  43.3  33.8  23.0  42.0
Maximum     34.2  40.0  52.0  64.5  75.2  83.5  86.2  84.1  78.4  66.6  51.6  38.7  62.9
Mean        25.8  31.0  41.9  52.8  63.0  71.8  75.3  73.4  66.6  55.0  42.7  30.9  52.5
Precip.     2.05  1.99  3.17  3.86  4.47  4.70  4.39  3.94  3.03  3.04  3.53  2.79 40.96
HDD         1217   954   718   373   155    14     0     9    63   325   669  1058  5555
CDD            0     0     0     6    92   217   319   269   110    14     0     0  1027
City:DANVILLE SEWAGE PLANT  
State:IL
Lat:40.06N
Long:087.36W
Elev:  527
ID:112145
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.90  1.96  2.98  3.64  4.42  4.24  4.36  3.73  2.84  2.99  3.39  2.87 39.32
City:DECATUR                
State:IL
Lat:39.50N
Long:088.57W
Elev:  620
ID:112193
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.1  22.1  31.9  41.8  51.6  60.6  64.6  62.8  54.9  43.9  33.5  22.6  42.3
Maximum     34.5  40.5  52.6  65.3  76.1  84.5  87.8  85.8  79.9  67.8  52.0  39.2  63.8
Mean        25.8  31.3  42.3  53.6  63.9  72.6  76.2  74.3  67.4  55.9  42.8  30.9  53.1
Precip.     2.05  1.95  3.20  3.58  4.47  3.90  4.54  4.14  2.98  2.74  3.32  2.87 39.74
HDD         1215   943   706   350   139    10     0    11    54   305   668  1057  5458
CDD            0     0     0     7   104   237   348   299   125    22     0     0  1142
City:DE KALB                
State:IL
Lat:41.56N
Long:088.47W
Elev:  873
ID:112223
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.3  15.5  26.2  36.8  48.1  58.4  62.6  60.5  51.4  39.9  28.2  16.9  37.9
Maximum     26.7  32.3  44.5  58.1  70.4  80.3  83.6  81.3  74.3  62.5  45.4  32.3  57.6
Mean        18.5  23.9  35.4  47.5  59.3  69.4  73.1  70.9  62.9  51.2  36.8  24.6  47.8
Precip.     1.54  1.40  2.46  3.52  4.21  4.49  4.22  4.48  3.51  2.60  2.82  2.13 37.38
HDD         1441  1152   919   528   230    29     5    29   116   432   845  1253  6979
CDD            0     0     0     2    52   159   256   212    51     4     0     0   736
City:DIX                    
State:IL
Lat:38.27N
Long:088.56W
Elev:  550
ID:112344
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.72  2.43  3.91  4.08  4.56  3.34  4.49  2.80  3.81  2.82  3.79  3.35 42.10
City:DIXON 1 NW             
State:IL
Lat:41.51N
Long:089.30W
Elev:  700
ID:112348
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.5  15.0  26.7  37.4  48.5  58.0  62.3  60.0  51.2  39.4  28.4  16.5  37.7
Maximum     26.0  31.7  44.2  58.0  69.7  78.8  82.0  80.3  73.3  61.8  45.4  31.4  56.9
Mean        17.8  23.4  35.5  47.7  59.1  68.4  72.2  70.2  62.3  50.6  36.9  24.0  47.3
Precip.     1.60  1.43  2.55  3.61  4.32  4.88  3.45  4.47  3.31  2.71  2.82  2.13 37.28
HDD         1465  1166   916   522   240    37    11    38   134   452   844  1274  7099
CDD            0     0     0     3    58   138   234   197    52     6     0     0   688
City:DIXON SPRINGS AGR CENTE
State:IL
Lat:37.26N
Long:088.40W
Elev:  540
ID:112353
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     24.9  29.1  37.9  46.4  55.0  63.2  67.2  65.1  58.1  46.8  38.7  29.3  46.8
Maximum     43.1  49.8  60.5  70.7  78.9  86.7  90.3  89.6  83.5  73.1  58.9  47.3  69.4
Mean        34.0  39.5  49.2  58.6  67.0  75.0  78.8  77.4  70.8  60.0  48.8  38.3  58.1
Precip.     3.37  3.39  4.60  4.74  5.16  4.10  3.75  3.60  3.26  3.16  4.71  4.40 48.24
HDD          961   715   497   219    80     2     0     2    27   202   489   828  4022
CDD            0     0     6    25   141   301   426   384   199    46     3     0  1531
City:DU QUOIN 4 SE          
State:IL
Lat:37.59N
Long:089.12W
Elev:  420
ID:112483
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.7  26.3  35.8  45.3  55.1  64.0  67.8  64.8  56.8  45.3  35.7  26.0  45.4
Maximum     39.8  46.3  57.2  67.9  77.3  85.6  89.6  87.8  80.9  70.5  56.2  44.1  66.9
Mean        30.8  36.3  46.5  56.6  66.2  74.8  78.7  76.3  68.9  57.9  46.0  35.1  56.2
Precip.     2.75  2.61  4.30  4.27  4.81  4.23  3.54  3.33  3.27  3.17  4.44  3.47 44.19
HDD         1062   804   573   270    92     4     0     2    44   253   573   929  4606
CDD            0     0     0    18   129   297   424   353   159    33     1     0  1414
City:DWIGHT                 
State:IL
Lat:41.05N
Long:088.25W
Elev:  628
ID:112500
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.4  17.2  27.5  38.0  49.4  58.5  62.6  59.6  51.2  39.7  30.0  18.1  38.7
Maximum     28.9  34.3  46.4  59.8  71.8  80.9  83.7  81.8  76.4  63.6  47.6  34.3  59.1
Mean        20.7  25.8  37.0  48.9  60.6  69.7  73.2  70.7  63.8  51.7  38.8  26.2  48.9
Precip.     1.37  1.27  2.90  3.14  4.04  4.21  3.54  3.28  2.46  2.79  2.97  2.50 34.47
HDD         1374  1099   869   486   207    27     5    25   103   421   787  1203  6606
CDD            0     0     0     3    71   169   257   202    66     6     0     0   774
City:EDWARDSVILLE 2 W       
State:IL
Lat:38.49N
Long:090.00W
Elev:  500
ID:112679
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.19  2.29  3.52  3.79  4.09  4.36  3.85  3.66  3.16  2.79  3.69  2.82 40.21
City:EFFINGHAM              
State:IL
Lat:39.07N
Long:088.37W
Elev:  625
ID:112687
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.8  21.6  31.8  41.9  52.0  61.5  65.7  63.3  54.8  43.2  33.7  23.1  42.5
Maximum     34.8  40.5  51.7  63.5  73.8  83.2  86.9  85.0  78.1  66.6  52.2  39.9  63.0
Mean        26.3  31.1  41.8  52.7  62.9  72.4  76.3  74.2  66.5  54.9  43.0  31.5  52.8
Precip.     2.38  2.51  3.61  4.09  4.46  4.26  4.51  2.92  3.04  2.95  4.05  3.27 42.05
HDD         1200   950   721   374   156    13     0    12    73   333   661  1040  5533
CDD            0     0     0     5    92   233   350   296   117    21     0     0  1114
City:ELGIN                  
State:IL
Lat:42.04N
Long:088.17W
Elev:  763
ID:112736
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.9  15.7  26.0  36.4  47.4  56.7  62.1  60.2  51.4  39.5  29.1  17.3  37.7
Maximum     27.6  32.9  44.3  57.5  69.4  79.4  83.0  81.0  74.0  62.0  46.4  33.1  57.6
Mean        19.3  24.3  35.2  47.0  58.4  68.1  72.6  70.6  62.7  50.8  37.8  25.2  47.7
Precip.     1.68  1.38  2.23  3.91  3.84  4.31  3.93  4.43  3.63  2.66  3.12  2.10 37.22
HDD         1419  1140   926   543   252    43     6    29   120   445   817  1235  6975
CDD            0     0     0     1    48   135   240   201    50     4     0     0   679
City:ELIZABETH              
State:IL
Lat:42.19N
Long:090.14W
Elev:  675
ID:112745
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      4.2  10.1  21.9  32.3  42.9  53.3  57.1  54.9  45.9  34.4  24.0  11.6  32.7
Maximum     27.0  33.4  45.4  58.6  70.6  80.0  83.8  81.4  73.9  62.1  45.7  32.5  57.9
Mean        15.6  21.8  33.7  45.5  56.8  66.7  70.5  68.2  59.9  48.3  34.9  22.1  45.3
Precip.     1.12  1.24  2.58  3.38  3.57  5.07  2.90  4.45  3.63  2.51  2.71  1.77 34.93
HDD         1532  1212   972   587   287    51    12    52   179   521   905  1333  7643
CDD            0     0     0     0    30    99   182   149    26     2     0     0   488
City:FAIRBURY WATERWORKS    
State:IL
Lat:40.44N
Long:088.31W
Elev:  690
ID:112923
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.36  1.37  2.78  2.85  3.84  3.72  3.37  3.31  2.59  2.59  3.03  2.20 33.01
City:FAIRFIELD RADIO WFIW   
State:IL
Lat:38.23N
Long:088.20W
Elev:  430
ID:112931
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     19.7  24.0  33.4  42.6  52.2  61.0  65.1  62.8  55.0  43.5  33.9  24.3  43.1
Maximum     37.0  43.2  54.3  65.7  75.6  85.0  88.2  86.6  79.6  68.3  53.4  41.7  64.9
Mean        28.4  33.6  43.9  54.2  63.9  73.0  76.7  74.7  67.3  55.9  43.7  33.0  54.0
Precip.     2.78  2.70  4.62  4.80  4.73  4.20  3.83  3.35  2.90  3.31  4.33  3.45 45.00
HDD         1136   879   656   335   135     8     0     7    60   307   641   992  5156
CDD            0     0     0     9   100   247   362   307   128    24     0     0  1177
City:FARMER CITY            
State:IL
Lat:40.13N
Long:088.39W
Elev:  730
ID:112993
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.3  19.2  29.9  39.9  51.2  60.2  63.8  61.9  53.6  42.0  31.1  20.9  40.7
Maximum     31.6  37.2  49.0  62.2  73.4  82.9  85.4  83.7  78.4  65.8  49.4  36.5  61.3
Mean        23.0  28.2  39.5  51.1  62.3  71.6  74.6  72.8  66.0  53.9  40.3  28.7  51.0
Precip.     1.61  1.66  2.95  3.44  3.95  3.97  3.82  3.99  2.85  2.56  2.85  2.44 36.09
HDD         1304  1030   793   424   174    18     1    16    73   358   742  1125  6058
CDD            0     0     0     5    90   214   298   258   102    15     0     0   982
City:FLORA 5 NW             
State:IL
Lat:38.43N
Long:088.35W
Elev:  500
ID:113109
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.7  25.1  34.3  43.3  52.8  61.5  65.4  63.2  55.6  44.8  35.3  25.4  44.0
Maximum     38.1  44.2  55.4  66.8  76.4  85.0  88.6  86.9  80.3  69.3  54.7  42.5  65.7
Mean        29.4  34.7  44.9  55.1  64.6  73.3  77.0  75.1  68.0  57.1  45.0  34.0  54.9
Precip.     2.74  2.49  4.02  4.14  4.31  4.34  3.88  3.34  3.20  3.03  4.09  3.36 42.94
HDD         1103   850   626   309   121     8     0     5    48   272   600   964  4906
CDD            0     0     0    10   108   256   372   317   137    24     0     0  1224
City:FREEPORT WASTE WTR PLT 
State:IL
Lat:42.18N
Long:089.36W
Elev:  750
ID:113262
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.0  14.1  25.3  36.3  47.5  57.3  61.7  59.1  50.1  38.5  27.8  15.5  36.9
Maximum     25.4  31.2  43.2  56.8  69.1  78.4  82.0  79.7  72.6  60.8  44.4  30.5  56.2
Mean        17.2  22.7  34.3  46.6  58.3  67.9  71.9  69.4  61.4  49.7  36.1  23.0  46.5
Precip.     1.33  1.33  2.14  3.23  3.96  4.46  3.57  4.11  3.67  2.58  2.69  1.72 34.79
HDD         1483  1187   953   554   252    40     7    41   152   478   867  1303  7317
CDD            0     0     0     1    44   126   219   177    42     2     0     0   611
City:FULTON L&D #13         
State:IL
Lat:41.54N
Long:090.09W
Elev:  592
ID:113290
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.9  16.1  26.6  37.7  49.3  59.5  63.9  61.6  53.5  41.8  30.5  18.0  39.1
Maximum     25.5  30.9  42.9  56.2  68.2  77.8  81.6  79.2  71.5  59.4  43.2  29.9  55.5
Mean        18.2  23.5  34.8  47.0  58.8  68.7  72.8  70.4  62.5  50.6  36.9  24.0  47.4
Precip.     1.33  1.26  2.36  3.36  3.87  4.33  3.32  4.51  3.10  2.66  2.59  1.77 34.46
HDD         1451  1163   938   542   236    33     2    28   131   450   845  1274  7093
CDD            0     0     0     1    42   143   243   195    55     4     0     0   683
City:GALENA                 
State:IL
Lat:42.25N
Long:090.26W
Elev:  800
ID:113312
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.28  1.47  2.46  3.48  3.99  4.73  3.75  4.20  3.81  2.31  2.76  1.85 36.09
City:GALESBURG              
State:IL
Lat:40.57N
Long:090.23W
Elev:  771
ID:113320
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.5  19.2  29.4  40.2  51.4  60.8  65.3  63.2  54.7  42.9  30.8  19.2  40.9
Maximum     29.0  35.1  47.9  61.2  72.5  81.4  84.5  81.9  74.7  62.7  46.7  33.4  59.3
Mean        21.3  27.2  38.7  50.7  62.0  71.1  74.9  72.6  64.7  52.8  38.8  26.3  50.1
Precip.     1.41  1.55  2.84  3.81  3.97  4.18  4.37  4.07  3.50  2.52  2.72  2.28 37.22
HDD         1356  1059   817   434   176    17     5    17    92   386   788  1200  6347
CDD            0     0     0     5    81   200   312   252    83     8     0     0   941
City:GALVA                  
State:IL
Lat:41.11N
Long:090.02W
Elev:  810
ID:113335
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.5  18.4  28.7  39.1  50.6  59.5  64.0  61.5  53.2  41.5  30.0  18.0  39.8
Maximum     28.9  34.7  47.4  60.7  72.1  81.7  84.9  82.9  76.2  64.0  47.6  34.1  59.6
Mean        20.7  26.6  38.1  49.9  61.4  70.6  74.5  72.2  64.7  52.8  38.8  26.1  49.7
Precip.     1.52  1.54  2.79  3.93  3.94  4.39  3.98  4.32  3.57  2.73  2.91  2.27 37.89
HDD         1374  1077   836   457   190    22     4    18    92   388   785  1207  6450
CDD            0     0     0     4    78   189   297   241    84     8     0     0   901
City:GEBHARD WOODS STATE PAR
State:IL
Lat:41.21N
Long:088.26W
Elev:  505
ID:113369
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.6  17.7  28.8  38.9  49.5  58.7  63.1  60.7  52.5  40.6  30.8  19.1  39.4
Maximum     29.6  35.3  47.4  60.9  73.0  82.5  85.4  83.0  76.4  64.1  48.4  35.1  60.1
Mean        21.1  26.5  38.1  49.9  61.3  70.6  74.3  71.9  64.5  52.4  39.6  27.1  49.8
Precip.     1.75  1.59  2.74  3.54  3.95  4.16  3.72  3.40  2.95  2.54  3.09  2.36 35.79
HDD         1361  1078   833   459   194    21     4    24    96   402   762  1174  6408
CDD            0     0     0     5    79   190   292   235    79     9     0     0   889
City:GENESEO                
State:IL
Lat:41.27N
Long:090.09W
Elev:  639
ID:113384
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.4  19.3  29.5  40.2  51.6  61.3  65.7  63.5  54.9  43.2  31.1  19.2  41.1
Maximum     28.7  34.4  47.2  61.1  73.1  82.4  85.7  83.2  75.7  63.3  46.9  33.4  59.6
Mean        21.1  26.9  38.4  50.7  62.4  71.9  75.7  73.4  65.3  53.3  39.0  26.3  50.4
Precip.     1.52  1.58  2.69  3.74  4.21  4.20  3.90  4.32  3.29  3.01  2.82  2.15 37.43
HDD         1363  1068   826   436   167    14     1    13    80   372   780  1201  6321
CDD            0     0     0     5    84   218   334   271    88     9     0     0  1009
City:GIBSON CITY            
State:IL
Lat:40.28N
Long:088.22W
Elev:  750
ID:113413
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.8  18.7  28.9  38.4  49.7  59.4  62.7  60.2  51.7  40.1  30.9  19.8  39.5
Maximum     30.3  35.8  47.7  60.8  72.8  82.2  84.8  83.1  77.4  64.6  48.7  35.6  60.3
Mean        22.1  27.3  38.3  49.6  61.3  70.8  73.8  71.7  64.6  52.4  39.8  27.7  50.0
Precip.     1.64  1.59  2.99  3.30  4.07  4.04  3.74  3.91  2.83  2.66  3.01  2.54 36.32
HDD         1332  1057   828   465   191    21     3    21    89   399   756  1156  6318
CDD            0     0     0     3    75   194   273   229    75     8     0     0   857
City:GLADSTONE DAM 18       
State:IL
Lat:40.53N
Long:091.01W
Elev:  538
ID:113455
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.36  1.29  2.49  3.42  4.04  4.20  4.07  3.82  3.63  2.72  2.72  2.01 35.77
City:GOLDEN                 
State:IL
Lat:40.06N
Long:091.01W
Elev:  718
ID:113530
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.4  18.5  28.9  40.3  51.3  60.7  64.9  62.3  53.1  41.9  30.3  19.4  40.4
Maximum     31.4  37.6  49.8  62.3  73.0  82.4  86.4  84.3  77.5  66.0  49.7  36.4  61.4
Mean        22.4  28.1  39.4  51.3  62.2  71.6  75.7  73.3  65.3  54.0  40.0  27.9  50.9
Precip.     1.19  1.60  2.66  3.47  4.89  3.86  4.26  3.59  3.53  2.96  2.89  2.13 37.03
HDD         1321  1035   795   417   162    14     1    16    90   351   749  1150  6101
CDD            0     0     0     6    75   211   331   273    98     9     0     0  1003
City:GRAFTON                
State:IL
Lat:38.58N
Long:090.26W
Elev:  510
ID:113572
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.03  1.88  3.49  4.07  4.05  3.41  3.64  3.28  3.12  2.57  3.79  2.91 38.24
City:GRAND TOWER 2 N        
State:IL
Lat:37.40N
Long:089.31W
Elev:  367
ID:113595
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.89  2.89  4.42  4.45  4.81  4.19  3.72  3.71  3.06  3.11  4.60  3.84 45.69
City:GREENFIELD             
State:IL
Lat:39.21N
Long:090.12W
Elev:  548
ID:113666
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.98  1.95  3.70  4.02  4.11  4.07  3.38  3.01  2.97  2.60  3.65  3.13 38.57
City:GREENUP                
State:IL
Lat:39.14N
Long:088.10W
Elev:  540
ID:113683
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.27  2.30  3.71  3.84  4.30  3.97  4.22  3.54  3.13  2.97  4.08  2.83 41.16
City:GREENVILLE 2 NE        
State:IL
Lat:38.56N
Long:089.24W
Elev:  580
ID:113693
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.14  2.29  3.39  3.74  4.41  4.12  3.93  3.06  3.28  2.95  3.96  2.87 40.14
City:GRIGGSVILLE            
State:IL
Lat:39.44N
Long:090.43W
Elev:  628
ID:113717
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.5  20.0  30.4  42.3  52.5  62.0  65.7  63.0  54.3  43.2  31.2  20.8  41.7
Maximum     33.3  39.5  51.1  63.5  73.5  82.0  86.3  84.7  77.7  66.5  51.0  38.2  62.3
Mean        24.4  29.8  40.8  52.9  63.0  72.0  76.0  73.9  66.0  54.9  41.1  29.5  52.0
Precip.     1.74  1.76  3.18  3.91  4.11  3.30  4.07  3.03  3.22  2.85  3.40  2.60 37.17
HDD         1259   987   751   372   145    14     1    15    70   327   718  1101  5760
CDD            0     0     0     9    83   223   341   290   100    12     0     0  1058
City:GURNEE PUBLIC WORKS    
State:IL
Lat:42.22N
Long:087.57W
Elev:  680
ID:113738
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.92  1.74  2.23  3.79  3.29  3.71  3.13  3.62  3.35  2.63  3.18  2.02 34.61
City:HARRISBURG             
State:IL
Lat:37.44N
Long:088.31W
Elev:  365
ID:113879
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.7  25.2  34.8  44.7  54.2  63.3  67.6  65.1  56.6  44.4  35.5  26.3  45.0
Maximum     40.0  45.9  56.6  67.5  76.9  85.3  89.3  88.0  81.1  70.4  56.4  44.7  66.8
Mean        30.9  35.6  45.7  56.1  65.6  74.3  78.5  76.6  68.9  57.4  46.0  35.5  55.9
Precip.     3.20  3.07  4.44  4.64  4.98  4.47  3.94  3.23  3.04  3.04  4.20  3.90 46.15
HDD         1060   825   599   285    99     5     0     3    45   258   572   915  4666
CDD            0     0     1    18   117   284   416   360   160    23     0     0  1379
City:HARVARD                
State:IL
Lat:42.25N
Long:088.38W
Elev:  910
ID:113902
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.45  1.35  1.88  3.46  4.12  4.30  2.76  4.28  3.25  2.51  2.65  1.87 33.88
City:HAVANA 4 NNE           
State:IL
Lat:40.21N
Long:090.01W
Elev:  460
ID:113940
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.0  19.2  29.7  40.3  50.8  60.4  63.9  61.2  52.3  40.5  30.2  19.4  40.2
Maximum     31.9  38.0  50.2  63.0  74.0  84.0  88.4  86.4  79.9  67.6  50.9  37.2  62.6
Mean        23.0  28.6  40.0  51.7  62.4  72.2  76.2  73.8  66.1  54.1  40.6  28.3  51.4
Precip.     1.85  1.94  3.02  3.45  4.43  3.81  3.87  3.45  3.21  2.86  3.26  2.63 37.78
HDD         1303  1020   776   407   164    13     0    14    63   348   733  1139  5980
CDD            0     0     0     7    84   229   346   287    96    10     0     0  1059
City:HENNEPIN POWER PLANT   
State:IL
Lat:41.18N
Long:089.19W
Elev:  460
ID:114013
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.2  18.5  29.5  39.2  49.8  59.4  63.7  61.8  53.2  41.3  30.8  19.4  40.0
Maximum     30.3  36.0  48.3  61.6  73.4  82.7  86.2  84.0  77.4  65.1  49.0  35.6  60.8
Mean        21.8  27.3  38.9  50.4  61.6  71.1  75.0  72.9  65.3  53.2  39.9  27.5  50.4
Precip.     1.14  1.15  2.15  3.24  3.62  4.20  3.78  4.32  3.62  2.71  2.48  2.04 34.45
HDD         1340  1058   808   442   180    14     4    18    83   374   753  1163  6237
CDD            0     0     0     4    75   196   312   262    91     8     0     0   948
City:HILLSBORO              
State:IL
Lat:39.09N
Long:089.29W
Elev:  630
ID:114108
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.1  25.9  35.3  45.2  55.0  64.2  68.0  65.6  57.6  46.7  37.0  26.1  45.6
Maximum     37.4  44.1  55.7  68.1  78.0  87.0  90.7  89.0  82.2  70.7  54.8  41.7  66.6
Mean        29.3  35.0  45.5  56.7  66.5  75.6  79.4  77.3  69.9  58.7  45.9  33.9  56.1
Precip.     2.18  2.00  3.56  4.19  4.31  4.07  3.48  3.53  3.16  2.91  3.81  2.98 40.18
HDD         1107   840   605   271    99     4     0     2    36   225   574   964  4727
CDD            0     0     0    20   146   322   445   383   182    29     0     0  1527
City:HOOPESTON 1 NE         
State:IL
Lat:40.28N
Long:087.39W
Elev:  710
ID:114198
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.5  22.3  32.2  41.4  52.2  61.4  64.8  62.7  55.2  44.5  34.2  23.1  42.6
Maximum     32.1  37.8  50.1  62.6  74.0  82.7  85.3  83.2  77.5  65.1  50.0  36.9  61.4
Mean        24.8  30.1  41.2  52.0  63.1  72.1  75.1  73.0  66.4  54.8  42.1  30.0  52.1
Precip.     1.57  1.62  2.92  3.49  4.18  4.05  4.09  3.78  2.72  3.04  2.97  2.47 36.90
HDD         1246   978   740   397   162    14     2    13    67   330   687  1086  5722
CDD            0     0     0     6   104   226   314   259   107    14     0     0  1030
City:HUTSONVILLE POWER PLANT
State:IL
Lat:39.08N
Long:087.39W
Elev:  455
ID:114317
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.23  2.46  3.75  4.02  4.49  4.03  4.62  3.32  3.35  2.90  3.89  3.03 42.09
City:ILLINOIS CITY DAM 16   
State:IL
Lat:41.26N
Long:091.01W
Elev:  550
ID:114355
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.25  1.28  2.50  3.14  4.08  4.05  4.03  4.18  3.64  2.66  2.44  1.76 35.01
City:JACKSONVILLE 2 E       
State:IL
Lat:39.44N
Long:090.13W
Elev:  610
ID:114442
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.0  19.2  28.6  38.7  49.1  58.5  62.7  60.1  51.8  40.7  30.7  20.3  39.6
Maximum     34.4  40.3  52.1  64.2  74.4  83.3  87.0  85.0  79.3  67.6  52.4  39.4  63.3
Mean        24.7  29.8  40.4  51.5  61.8  70.9  74.9  72.6  65.6  54.2  41.6  29.9  51.5
Precip.     1.35  1.69  3.18  3.77  4.86  4.36  3.85  3.35  3.46  2.61  3.45  2.54 38.47
HDD         1251   988   765   413   181    19     1    18    78   345   704  1090  5853
CDD            0     0     0     5    80   196   306   253    95    10     0     0   945
City:JERSEYVILLE 2 SW       
State:IL
Lat:39.06N
Long:090.21W
Elev:  630
ID:114489
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.3  22.2  32.2  42.1  52.1  61.4  65.7  63.1  54.6  43.3  33.6  22.8  42.5
Maximum     35.3  41.3  52.5  64.2  74.3  83.1  87.5  85.9  78.8  67.6  52.5  40.0  63.6
Mean        26.3  31.8  42.4  53.2  63.2  72.3  76.6  74.5  66.7  55.5  43.1  31.4  53.1
Precip.     1.92  2.01  3.51  4.14  3.95  3.68  3.51  2.91  3.23  2.86  3.77  2.82 38.31
HDD         1200   932   702   364   150    12     0     9    71   310   658  1041  5449
CDD            0     0     0     8    93   228   360   302   121    13     0     0  1125
City:JOLIET BRANDON RD DAM  
State:IL
Lat:41.30N
Long:088.06W
Elev:  543
ID:114530
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.5  18.6  27.6  36.9  47.5  58.2  62.8  60.7  52.9  41.2  31.4  19.5  39.2
Maximum     29.9  35.2  46.8  59.5  71.6  81.3  84.6  82.4  76.0  64.1  48.3  35.2  59.6
Mean        21.7  26.9  37.2  48.2  59.6  69.8  73.7  71.6  64.5  52.7  39.9  27.4  49.4
Precip.     1.58  1.64  2.46  3.75  3.87  4.22  4.34  3.82  3.14  2.70  3.00  2.44 36.96
HDD         1343  1067   863   505   230    32     4    20    86   391   755  1168  6464
CDD            0     0     0     2    61   174   272   223    70     7     0     0   809
City:KANKAKEE METRO WASTWTR 
State:IL
Lat:41.08N
Long:087.53W
Elev:  640
ID:114603
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.2  17.0  27.5  37.8  48.7  58.8  63.1  60.7  52.0  39.9  30.0  19.4  38.9
Maximum     31.1  36.8  48.3  60.7  72.8  82.6  85.7  83.5  77.6  65.1  49.5  36.4  60.8
Mean        21.7  26.9  37.9  49.3  60.8  70.7  74.4  72.1  64.8  52.5  39.8  27.9  49.9
Precip.     1.77  1.62  2.78  3.80  4.54  4.44  4.38  3.11  3.47  2.70  3.36  2.61 38.58
HDD         1343  1067   840   474   205    22     4    18    85   394   757  1150  6359
CDD            0     0     0     2    74   194   295   239    78     6     0     0   888
City:KASKASKIA RIV NAV LOCK 
State:IL
Lat:37.59N
Long:089.57W
Elev:  380
ID:114629
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.8  25.5  34.9  44.9  54.5  63.9  68.4  65.9  57.5  46.0  36.2  26.6  45.5
Maximum     39.1  45.5  56.1  67.6  77.8  86.7  91.2  89.4  81.8  70.8  56.0  43.7  67.1
Mean        30.5  35.5  45.5  56.3  66.2  75.3  79.8  77.7  69.7  58.4  46.1  35.2  56.4
Precip.     1.85  1.99  3.51  3.42  4.30  3.85  3.76  3.39  3.19  3.08  4.16  3.16 39.66
HDD         1071   825   605   278   101     4     0     2    36   240   568   925  4655
CDD            0     0     0    16   137   314   459   394   175    36     1     0  1532
City:KEITHSBURG             
State:IL
Lat:41.06N
Long:090.56W
Elev:  550
ID:114655
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.38  1.49  2.84  3.39  4.19  4.02  4.03  3.93  3.38  2.59  2.64  2.14 36.02
City:KEWANEE 1 E            
State:IL
Lat:41.15N
Long:089.54W
Elev:  780
ID:114710
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.1  15.7  26.2  36.9  48.5  58.6  62.4  60.1  50.7  39.1  28.5  16.9  37.8
Maximum     28.1  33.8  46.2  59.5  70.9  80.1  83.5  81.6  74.9  62.8  46.9  33.3  58.5
Mean        19.1  24.8  36.2  48.2  59.7  69.4  73.0  70.9  62.8  51.0  37.7  25.1  48.2
Precip.     1.55  1.41  2.49  3.48  3.53  4.46  3.98  4.14  3.04  2.57  2.74  2.37 35.76
HDD         1423  1127   894   506   218    27     4    29   123   439   821  1238  6849
CDD            0     0     0     2    55   158   251   210    56     4     0     0   736
City:KINCAID                
State:IL
Lat:39.35N
Long:089.27W
Elev:  600
ID:114739
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.83  1.73  3.10  3.50  4.21  4.23  3.44  3.07  2.80  2.70  3.35  2.53 36.49
City:KINMUNDY               
State:IL
Lat:38.46N
Long:088.51W
Elev:  620
ID:114756
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.43  2.09  3.97  3.84  3.94  4.17  4.19  3.53  3.36  2.93  4.09  2.69 41.23
City:LACON 1 N              
State:IL
Lat:41.02N
Long:089.24W
Elev:  460
ID:114805
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.2  20.5  30.5  40.6  50.9  60.1  64.3  62.4  54.3  43.1  32.3  20.9  41.3
Maximum     32.0  38.0  50.6  64.1  75.2  83.9  87.2  85.4  78.6  66.5  50.3  36.8  62.4
Mean        23.6  29.3  40.6  52.4  63.1  72.0  75.8  73.9  66.5  54.8  41.3  28.9  51.9
Precip.     1.55  1.61  3.08  3.84  4.20  4.14  4.12  3.53  3.49  2.99  3.03  2.32 37.90
HDD         1284  1000   758   388   152    11     2    12    65   328   711  1120  5831
CDD            0     0     0     9    90   221   334   287   107    12     0     0  1060
City:LA HARPE               
State:IL
Lat:40.35N
Long:090.58W
Elev:  700
ID:114823
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.3  18.2  28.7  39.4  50.5  60.0  64.3  62.3  53.6  42.3  30.5  19.2  40.2
Maximum     31.7  37.6  50.0  62.4  73.3  82.7  87.0  84.7  77.3  65.9  49.6  36.5  61.6
Mean        22.5  27.9  39.4  50.9  61.9  71.4  75.7  73.5  65.5  54.1  40.1  27.9  50.9
Precip.     1.47  1.68  2.86  3.82  4.58  4.38  4.54  3.54  3.99  2.85  3.15  2.28 39.14
HDD         1318  1039   796   429   173    17     1    14    86   350   749  1152  6124
CDD            0     0     0     6    77   207   331   277   100    11     0     0  1009
City:LAKE VILLA 2 NE        
State:IL
Lat:42.26N
Long:088.04W
Elev:  840
ID:114837
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.1  17.2  26.8  36.4  46.9  56.2  62.2  61.2  52.7  41.9  29.9  18.3  38.5
Maximum     27.7  32.6  43.6  56.4  68.7  78.4  82.2  79.8  72.1  60.0  45.7  32.6  56.7
Mean        19.9  24.9  35.2  46.4  57.8  67.3  72.2  70.5  62.4  51.0  37.8  25.5  47.6
Precip.     2.19  1.89  2.67  4.06  3.30  4.11  3.11  3.64  3.30  2.26  2.78  2.19 35.50
HDD         1398  1124   924   559   264    49    10    23   123   439   816  1226  6955
CDD            0     0     0     1    41   118   233   193    44     4     0     0   634
City:LAWRENCEVILLE          
State:IL
Lat:38.44N
Long:087.42W
Elev:  442
ID:114957
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.73  2.68  4.18  4.24  5.19  4.27  4.45  3.66  3.12  3.20  4.20  3.42 45.34
City:LINCOLN                
State:IL
Lat:40.09N
Long:089.20W
Elev:  583
ID:115079
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.7  19.3  28.7  38.6  49.8  60.7  63.9  61.5  52.6  40.9  31.2  20.6  40.2
Maximum     32.5  38.3  50.4  63.1  74.0  83.0  86.0  84.0  78.0  66.5  50.7  37.9  62.0
Mean        23.6  28.8  39.6  50.9  61.9  71.9  75.0  72.8  65.3  53.7  41.0  29.3  51.2
Precip.     1.70  1.55  3.11  3.63  4.42  3.97  4.35  4.00  3.13  2.81  3.00  2.63 38.30
HDD         1283  1014   789   429   173    15     1    15    77   361   722  1108  5987
CDD            0     0     0     4    77   220   309   254    86    12     0     0   962
City:MACKINAW 1 N           
State:IL
Lat:40.33N
Long:089.20W
Elev:  710
ID:115272
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.93  1.78  2.95  3.62  4.23  4.22  4.19  3.32  3.43  2.81  3.24  2.85 38.57
City:MACOMB                 
State:IL
Lat:40.29N
Long:090.40W
Elev:  610
ID:115280
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.26  1.52  2.85  3.59  4.29  4.00  4.12  3.36  3.54  2.83  2.66  2.21 36.23
City:MARENGO                
State:IL
Lat:42.15N
Long:088.36W
Elev:  810
ID:115326
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.6  15.5  26.4  36.7  47.2  57.1  62.0  59.9  50.7  39.1  28.6  16.9  37.6
Maximum     27.9  33.3  44.9  58.6  71.2  81.2  84.5  82.1  75.0  62.9  46.6  33.0  58.4
Mean        19.3  24.4  35.7  47.7  59.2  69.2  73.3  71.0  62.9  51.0  37.6  25.0  48.0
Precip.     1.48  1.29  2.42  3.71  4.10  4.56  3.86  4.47  3.32  2.61  2.69  1.97 36.48
HDD         1419  1137   909   521   231    31     4    25   125   439   823  1242  6906
CDD            0     0     0     2    51   156   260   211    60     5     0     0   745
City:MARION 4 NNE           
State:IL
Lat:37.46N
Long:088.54W
Elev:  477
ID:115342
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     19.0  22.9  32.5  42.0  51.6  60.8  65.4  62.9  54.8  42.5  33.7  23.6  42.6
Maximum     38.1  44.1  54.7  65.7  74.8  83.1  87.2  86.0  79.2  68.2  54.9  42.8  64.9
Mean        28.6  33.5  43.6  53.9  63.2  72.0  76.3  74.5  67.0  55.4  44.3  33.2  53.8
Precip.     3.26  3.17  4.45  4.54  4.93  4.32  3.89  3.72  3.13  3.06  4.77  3.72 46.96
HDD         1130   882   663   344   143    10     0     9    64   318   620   985  5168
CDD            0     0     0     9    88   219   350   301   125    20     0     0  1112
City:MARSEILLES LOCK        
State:IL
Lat:41.20N
Long:088.45W
Elev:  490
ID:115372
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.58  1.48  2.66  3.59  4.25  4.23  3.79  3.63  3.61  2.68  3.12  2.39 37.01
City:MASON CITY 1 W         
State:IL
Lat:40.12N
Long:089.42W
Elev:  585
ID:115413
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.7  20.6  30.5  40.5  51.3  60.4  64.1  62.2  54.5  43.5  32.4  21.3  41.4
Maximum     33.1  39.2  52.0  65.1  75.6  84.3  87.4  85.3  79.5  67.3  51.0  37.6  63.1
Mean        24.4  29.9  41.3  52.8  63.5  72.4  75.8  73.8  67.0  55.4  41.7  29.5  52.3
Precip.     1.56  1.53  2.77  3.34  4.20  3.70  4.04  3.47  3.00  2.73  2.95  2.42 35.71
HDD         1259   983   736   375   150    11     0    10    59   312   698  1102  5695
CDD            0     0     0     8   101   232   333   281   118    15     0     0  1088
City:MATTOON                
State:IL
Lat:39.28N
Long:088.21W
Elev:  718
ID:115430
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.6  21.1  31.7  42.2  53.2  62.7  66.3  64.2  55.9  44.7  33.2  22.5  42.9
Maximum     33.0  38.6  50.2  62.4  73.3  82.8  86.0  84.2  78.2  66.0  50.6  38.0  61.9
Mean        24.8  29.9  41.0  52.3  63.3  72.8  76.2  74.2  67.1  55.4  41.9  30.3  52.4
Precip.     2.03  2.08  3.06  3.84  3.95  4.21  4.16  3.25  3.06  3.02  3.71  2.84 39.21
HDD         1245   985   745   385   156    12     0     9    61   318   694  1077  5687
CDD            0     0     0     5   103   244   345   295   123    19     0     0  1134
City:MCHENRY WG STRATTON L&D
State:IL
Lat:42.19N
Long:088.15W
Elev:  742
ID:115493
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.48  1.22  2.12  3.43  3.67  4.09  3.69  4.00  3.22  2.36  2.61  1.82 33.71
City:MCLEANSBORO            
State:IL
Lat:38.05N
Long:088.33W
Elev:  446
ID:115515
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.3  24.1  33.7  43.4  53.0  62.0  65.8  63.0  55.1  43.4  34.8  24.7  43.6
Maximum     38.9  44.9  55.1  66.0  75.9  85.1  89.2  88.0  81.4  69.9  55.8  43.7  66.2
Mean        29.6  34.5  44.4  54.7  64.5  73.6  77.5  75.5  68.3  56.7  45.3  34.2  54.9
Precip.     3.15  2.76  4.46  4.59  4.67  3.86  3.47  2.97  2.89  2.95  4.54  3.59 43.90
HDD         1098   854   639   321   124     6     0     5    52   287   592   954  4932
CDD            0     0     0    11   107   262   388   330   150    27     0     0  1275
City:MEDORA                 
State:IL
Lat:39.10N
Long:090.08W
Elev:  620
ID:115539
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.97  2.08  3.36  3.94  4.27  3.24  3.56  3.22  3.04  2.78  3.57  2.83 37.86
City:MINONK                 
State:IL
Lat:40.55N
Long:089.02W
Elev:  750
ID:115712
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.6  18.2  28.6  38.3  48.8  58.4  62.2  59.7  51.8  40.5  30.0  18.8  39.0
Maximum     30.1  35.9  48.1  61.6  73.4  83.2  86.3  84.2  78.2  65.6  48.9  35.4  60.9
Mean        21.4  27.1  38.4  50.0  61.1  70.8  74.3  72.0  65.0  53.1  39.5  27.1  50.0
Precip.     1.75  1.83  3.23  3.53  4.20  3.71  3.76  3.41  3.34  2.81  3.28  2.39 37.24
HDD         1353  1063   826   457   202    18     6    21    89   381   767  1174  6357
CDD            0     0     0     5    80   192   293   237    89    10     0     0   906
City:MOLINE QUAD CITY AP    
State:IL
Lat:41.28N
Long:090.31W
Elev:  592
ID:115751
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.3  18.2  29.0  39.3  50.0  59.7  64.5  62.4  53.4  41.6  30.1  18.3  39.9
Maximum     29.8  35.6  48.3  61.7  73.3  82.7  86.1  83.9  76.5  64.4  48.0  34.5  60.4
Mean        21.1  26.9  38.7  50.5  61.7  71.2  75.3  73.2  65.0  53.0  39.1  26.4  50.2
Precip.     1.58  1.51  2.92  3.82  4.25  4.63  4.03  4.41  3.16  2.80  2.73  2.20 38.04
HDD         1374  1090   831   450   172    19     3     8   108   394   782  1191  6422
CDD            0     0     1    12    62   205   322   254   101    12     0     0   969
City:MOMENCE 5 ENE          
State:IL
Lat:41.11N
Long:087.34W
Elev:  630
ID:115758
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.46  1.36  2.70  3.53  4.00  4.41  3.63  3.78  3.51  2.58  2.84  2.33 36.13
City:MONMOUTH               
State:IL
Lat:40.55N
Long:090.38W
Elev:  745
ID:115768
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.8  20.4  30.3  40.5  50.8  60.1  64.1  61.8  53.9  43.3  31.5  20.2  41.0
Maximum     30.6  36.9  49.4  62.7  72.9  81.3  84.8  83.3  77.4  65.4  49.1  35.1  60.7
Mean        22.7  28.7  39.9  51.6  61.9  70.7  74.5  72.6  65.7  54.4  40.3  27.7  50.9
Precip.     1.62  1.72  2.85  3.76  4.27  4.26  4.33  4.02  3.45  2.97  2.74  2.32 38.31
HDD         1312  1018   780   407   170    19     3    16    80   341   740  1159  6045
CDD            0     0     0     6    73   190   297   249    98    10     0     0   923
City:MONTICELLO NO 2        
State:IL
Lat:40.02N
Long:088.35W
Elev:  620
ID:115792
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.04  1.93  3.12  3.78  4.41  3.97  4.57  4.15  2.79  2.72  3.34  2.86 39.68
City:MORRISON               
State:IL
Lat:41.48N
Long:089.58W
Elev:  603
ID:115833
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.9  15.3  26.9  37.2  48.5  57.7  61.8  59.4  50.5  39.0  28.4  16.4  37.6
Maximum     28.8  34.3  46.6  60.1  72.1  81.6  85.0  82.9  75.8  64.0  47.4  33.8  59.4
Mean        19.4  24.8  36.8  48.7  60.3  69.7  73.4  71.2  63.2  51.5  37.9  25.1  48.5
Precip.     1.52  1.51  2.79  3.72  4.41  4.58  3.70  4.69  2.87  2.82  2.90  2.14 37.65
HDD         1417  1126   877   493   205    23     4    25   113   424   814  1238  6759
CDD            0     0     0     2    60   162   264   215    57     5     0     0   765
City:MORRISONVILLE          
State:IL
Lat:39.25N
Long:089.28W
Elev:  630
ID:115841
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.3  21.0  31.1  41.2  51.9  61.3  64.8  62.5  54.4  42.4  32.5  21.7  41.8
Maximum     32.3  38.7  50.1  63.0  73.7  82.8  86.0  84.5  79.2  66.9  51.1  37.9  62.2
Mean        24.3  29.9  40.6  52.1  62.8  72.1  75.4  73.5  66.8  54.7  41.8  29.8  52.0
Precip.     1.78  1.78  3.01  3.48  3.77  3.66  3.68  2.76  2.83  2.34  3.57  2.43 35.09
HDD         1263   984   757   393   164    12     0    10    58   336   697  1092  5766
CDD            0     0     0     6    96   224   324   273   112    14     0     0  1049
City:MOUNT CARMEL           
State:IL
Lat:38.25N
Long:087.45W
Elev:  430
ID:115888
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.0  24.8  34.5  43.9  54.1  63.2  67.1  64.5  56.5  44.7  35.7  25.5  44.6
Maximum     38.0  44.1  54.5  65.8  75.9  85.1  88.6  87.0  80.7  69.6  55.3  43.0  65.6
Mean        29.5  34.5  44.5  54.9  65.0  74.2  77.9  75.8  68.6  57.2  45.5  34.3  55.2
Precip.     2.90  2.73  4.15  4.24  5.12  3.70  4.24  3.61  2.80  3.03  4.19  3.05 43.76
HDD         1100   856   636   315   118     5     0     3    43   272   585   954  4887
CDD            0     0     0    10   119   279   398   336   150    28     0     0  1320
City:MOUNT CARROLL          
State:IL
Lat:42.06N
Long:089.59W
Elev:  640
ID:115901
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      7.5  12.6  24.5  34.6  45.7  54.4  58.8  56.4  47.3  35.8  26.1  13.8  34.8
Maximum     28.9  34.6  46.7  60.2  72.1  81.6  85.1  83.1  75.8  63.8  47.3  33.9  59.4
Mean        18.2  23.6  35.6  47.4  58.9  68.0  72.0  69.8  61.6  49.8  36.7  23.9  47.1
Precip.     1.43  1.52  2.63  3.67  4.34  4.77  3.83  4.54  3.48  2.73  2.84  2.02 37.80
HDD         1452  1159   911   530   230    38     9    40   152   479   849  1275  7124
CDD            0     0     0     1    42   128   224   187    48     8     0     0   638
City:MOUNT OLIVE 1 E        
State:IL
Lat:39.04N
Long:089.42W
Elev:  690
ID:115917
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.07  2.16  3.54  3.88  4.11  3.53  3.49  3.42  3.18  2.69  3.75  2.91 38.73
City:MOUNT PULASKI          
State:IL
Lat:40.00N
Long:089.17W
Elev:  635
ID:115927
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.50  1.68  2.94  3.59  4.08  3.83  4.31  4.06  2.84  2.94  2.76  2.50 37.03
City:MOUNT STERLING         
State:IL
Lat:39.59N
Long:090.45W
Elev:  720
ID:115935
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.58  1.59  2.79  3.64  5.03  3.85  3.90  3.24  3.42  3.18  3.07  2.29 37.58
City:MT VERNON 3 NE         
State:IL
Lat:38.21N
Long:088.51W
Elev:  490
ID:115943
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.8  22.9  32.9  43.2  52.6  62.0  66.4  63.9  55.5  43.2  34.1  23.8  43.3
Maximum     37.0  42.8  53.7  64.8  74.5  83.7  87.8  86.3  79.2  68.2  53.9  41.8  64.5
Mean        27.9  32.9  43.3  54.0  63.6  72.9  77.1  75.1  67.4  55.7  44.0  32.8  53.9
Precip.     2.45  2.69  3.98  4.44  4.58  3.61  3.57  3.27  3.11  2.92  4.37  3.20 42.19
HDD         1149   899   673   344   137     9     0     5    57   310   630   998  5211
CDD            0     0     0    12    92   245   376   317   127    22     0     0  1191
City:MOWEAQUA               
State:IL
Lat:39.38N
Long:089.01W
Elev:  615
ID:115950
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.4  19.6  30.1  40.6  51.3  60.7  64.1  61.7  53.2  42.1  31.6  21.0  41.0
Maximum     34.1  40.2  52.1  64.1  75.0  84.1  87.8  86.3  80.2  68.4  52.6  39.5  63.7
Mean        24.8  29.9  41.1  52.4  63.2  72.4  76.0  74.0  66.7  55.3  42.1  30.3  52.4
Precip.     1.67  1.92  2.88  3.72  4.29  4.21  4.00  3.34  2.97  2.83  3.44  2.31 37.58
HDD         1248   982   741   384   146    14     0    12    70   323   688  1077  5685
CDD            0     0     0     4    89   236   338   290   121    21     0     0  1099
City:NASHVILLE 4 NE         
State:IL
Lat:38.22N
Long:089.18W
Elev:  515
ID:116011
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     21.8  26.4  35.4  45.1  55.0  63.8  67.7  65.3  57.9  47.2  36.6  26.5  45.7
Maximum     37.8  44.1  55.6  66.6  76.1  84.9  88.3  86.6  79.9  69.0  54.3  42.1  65.4
Mean        29.8  35.3  45.5  55.9  65.6  74.4  78.0  76.0  68.9  58.1  45.5  34.3  55.6
Precip.     2.18  2.34  3.48  3.86  4.10  3.68  3.66  2.73  3.22  3.00  3.78  2.99 39.02
HDD         1091   834   605   289   112     5     0     4    40   251   587   951  4769
CDD            0     0     0    16   129   286   403   343   157    36     0     0  1370
City:NEW ATHENS             
State:IL
Lat:38.19N
Long:089.52W
Elev:  400
ID:116072
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.25  2.48  4.12  4.05  3.53  4.81  5.03  2.90  2.75  2.61  3.94  3.55 42.02
City:NEW BOSTON DAM 17      
State:IL
Lat:41.12N
Long:091.03W
Elev:  548
ID:116080
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.37  1.39  2.42  3.24  4.24  3.74  3.88  3.99  3.49  2.50  2.51  1.73 34.50
City:NEWMAN 1 SE            
State:IL
Lat:39.47N
Long:087.59W
Elev:  645
ID:116134
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.81  1.64  2.95  4.25  3.85  3.66  3.27  4.57  3.07  3.45  3.52  2.40 38.44
City:NEWTON 6 SSE           
State:IL
Lat:38.55N
Long:088.07W
Elev:  510
ID:116159
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.5  22.4  32.5  41.9  52.2  61.9  66.0  63.1  55.0  43.3  34.1  23.8  42.9
Maximum     34.3  40.2  51.3  62.7  73.2  82.1  85.4  83.5  77.7  66.3  51.9  39.3  62.3
Mean        26.4  31.3  41.9  52.3  62.7  72.0  75.7  73.3  66.4  54.8  43.0  31.6  52.6
Precip.     2.38  2.38  3.85  3.90  4.39  3.74  4.37  3.43  3.17  2.77  3.99  2.90 41.27
HDD         1196   943   716   386   160    13     0    10    68   335   659  1038  5524
CDD            0     0     0     5    88   224   332   268   108    18     0     0  1043
City:NORMAL                 
State:IL
Lat:40.31N
Long:089.00W
Elev:  785
ID:116200
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.7  18.2  28.8  39.7  50.8  60.9  64.7  62.8  54.0  42.3  30.8  19.9  40.6
Maximum     31.0  36.4  48.4  61.2  72.8  82.6  85.6  83.6  77.2  65.1  48.8  36.3  60.8
Mean        22.4  27.3  38.6  50.5  61.8  71.8  75.2  73.2  65.6  53.7  39.8  28.1  50.7
Precip.     1.73  1.71  2.87  3.83  4.52  3.88  3.95  3.83  2.95  2.71  3.06  2.41 37.45
HDD         1322  1056   817   443   182    15     1    15    76   362   757  1144  6190
CDD            0     0     0     6    82   218   316   269    95    12     0     0   998
City:OLIVE BRANCH           
State:IL
Lat:37.10N
Long:089.21W
Elev:  340
ID:116383
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     24.2  28.5  37.2  45.5  55.2  62.9  67.5  65.8  58.3  46.6  37.9  28.1  46.5
Maximum     42.5  48.2  59.2  69.5  78.1  85.6  89.2  87.8  81.6  71.7  57.7  46.1  68.1
Mean        33.4  38.4  48.2  57.5  66.7  74.3  78.4  76.8  70.0  59.2  47.8  37.1  57.3
Precip.     3.27  3.82  4.16  5.02  3.98  4.48  3.36  2.67  2.96  3.84  4.54  4.18 46.28
HDD          982   747   522   247    75     3     0     1    29   217   518   864  4205
CDD            0     0     1    22   126   281   413   366   178    37     1     0  1425
City:OLNEY 2 S              
State:IL
Lat:38.42N
Long:088.05W
Elev:  480
ID:116446
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.7  22.5  31.8  41.9  51.8  62.0  65.5  63.2  55.0  43.6  33.8  24.3  42.8
Maximum     36.4  42.2  53.5  64.9  74.9  84.2  87.5  85.9  79.8  68.6  53.7  41.4  64.4
Mean        27.6  32.4  42.7  53.4  63.4  73.1  76.5  74.6  67.4  56.1  43.8  32.9  53.7
Precip.     2.84  2.73  4.35  4.38  4.76  4.07  4.13  3.55  3.09  3.34  4.39  3.65 45.28
HDD         1161   915   693   353   141     7     0     4    53   303   638   996  5264
CDD            0     0     0     5    90   250   356   300   125    26     0     0  1152
City:OREGON 2 E             
State:IL
Lat:42.01N
Long:089.18W
Elev:  750
ID:116490
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.71  1.01  2.18  3.42  3.89  4.37  3.09  3.83  2.94  2.07  2.49  2.09 33.09
City:OTTAWA 5 SW            
State:IL
Lat:41.20N
Long:088.55W
Elev:  525
ID:116526
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.2  17.5  28.6  38.7  49.6  59.3  63.4  61.3  52.8  40.9  29.7  18.2  39.4
Maximum     30.5  36.4  48.6  61.8  73.1  82.0  84.9  83.2  76.9  65.4  49.0  35.8  60.6
Mean        21.4  27.0  38.6  50.3  61.4  70.7  74.2  72.3  64.9  53.2  39.4  27.0  50.0
Precip.     1.45  1.32  2.60  3.44  4.00  4.13  3.64  3.78  3.50  2.59  2.95  2.27 35.67
HDD         1353  1066   820   447   186    19     3    19    90   381   769  1178  6331
CDD            0     0     0     4    72   189   287   243    85    14     0     0   894
City:PALESTINE 2 W          
State:IL
Lat:39.00N
Long:087.39W
Elev:  470
ID:116558
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.9  25.8  35.3  44.3  54.4  63.5  67.0  64.8  56.8  45.4  36.5  26.2  45.1
Maximum     37.5  43.5  55.0  66.3  76.7  85.2  88.5  86.5  80.5  68.8  54.3  42.0  65.4
Mean        29.2  34.7  45.2  55.3  65.6  74.4  77.8  75.7  68.7  57.1  45.4  34.1  55.3
Precip.     2.45  2.58  3.80  4.00  4.67  3.81  4.24  3.76  3.50  3.03  3.85  3.15 42.84
HDD         1110   850   616   302   115     9     0     5    37   278   589   959  4870
CDD            0     0     0    11   131   288   395   335   148    33     1     0  1342
City:PANA 3 E               
State:IL
Lat:39.22N
Long:089.02W
Elev:  700
ID:116579
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.9  20.5  30.7  41.6  51.8  61.3  64.9  62.6  54.0  43.1  32.0  21.9  41.7
Maximum     34.4  40.2  51.6  63.8  74.0  83.7  87.8  85.9  79.4  67.6  52.2  39.7  63.4
Mean        25.2  30.4  41.2  52.7  62.9  72.5  76.4  74.3  66.7  55.4  42.1  30.8  52.6
Precip.     2.32  2.23  3.57  3.87  4.15  4.46  3.96  3.01  3.06  3.00  3.80  3.14 40.57
HDD         1235   971   740   374   152    11     0     7    70   314   688  1060  5622
CDD            0     0     0     5    87   237   351   295   120    14     0     0  1109
City:PARIS WATERWORKS       
State:IL
Lat:39.38N
Long:087.42W
Elev:  680
ID:116610
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.4  20.5  30.9  41.3  51.5  61.3  64.7  62.5  54.5  43.4  32.8  22.5  41.9
Maximum     33.6  39.4  51.0  62.9  73.7  82.8  85.9  83.9  77.9  66.0  51.3  38.7  62.3
Mean        25.0  30.0  41.0  52.1  62.6  72.1  75.3  73.2  66.2  54.7  42.1  30.6  52.1
Precip.     2.23  2.23  3.27  3.96  4.31  4.24  4.43  4.42  2.94  2.78  3.68  3.10 41.59
HDD         1241   981   746   393   165    13     0    11    71   336   689  1066  5712
CDD            0     0     0     5    90   225   320   265   106    18     0     0  1029
City:PARK FOREST            
State:IL
Lat:41.30N
Long:087.41W
Elev:  710
ID:116616
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.8  19.7  29.7  39.4  50.0  59.5  64.7  63.3  55.2  43.2  32.8  21.1  41.1
Maximum     29.2  34.7  45.7  58.1  70.0  80.0  83.7  81.5  74.7  63.0  47.5  34.8  58.6
Mean        22.0  27.2  37.7  48.8  60.0  69.8  74.2  72.4  65.0  53.1  40.2  28.0  49.9
Precip.     1.79  1.64  2.73  3.80  4.14  4.66  4.08  3.82  3.15  2.79  3.38  2.67 38.65
HDD         1333  1059   846   491   222    29     1    15    85   380   745  1149  6355
CDD            0     0     0     3    66   171   286   245    84    11     0     0   866
City:PAW PAW 2 NW           
State:IL
Lat:41.43N
Long:089.00W
Elev:  950
ID:116661
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      7.7  13.3  24.6  35.8  47.2  56.4  60.4  58.0  49.5  37.7  26.2  14.0  35.9
Maximum     25.3  30.9  43.2  57.4  69.7  79.2  82.1  79.8  73.3  61.3  44.7  30.8  56.5
Mean        16.5  22.1  33.9  46.6  58.5  67.8  71.3  68.9  61.4  49.5  35.5  22.4  46.2
Precip.     1.39  1.26  2.34  3.47  4.23  4.40  3.77  4.17  3.81  2.76  3.00  2.16 36.76
HDD         1503  1202   964   553   254    42    12    41   147   483   887  1320  7408
CDD            0     0     0     1    50   125   204   162    39     3     0     0   584
City:PAXTON 2 WSW           
State:IL
Lat:40.27N
Long:088.09W
Elev:  790
ID:116663
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.2  18.7  29.5  38.7  49.9  59.2  62.3  60.2  52.6  41.5  31.1  20.1  39.8
Maximum     29.9  35.3  47.5  60.7  72.3  81.9  84.6  82.8  77.2  65.0  49.0  35.3  60.1
Mean        22.1  27.0  38.5  49.7  61.1  70.6  73.5  71.5  64.9  53.3  40.1  27.7  50.0
Precip.     1.66  1.40  3.17  3.41  4.38  3.47  3.75  3.26  3.20  3.30  3.02  3.04 37.06
HDD         1331  1064   821   462   196    22     5    21    86   375   749  1156  6288
CDD            0     0     0     3    75   188   267   222    82    10     0     0   847
City:PAYSON                 
State:IL
Lat:39.49N
Long:091.15W
Elev:  720
ID:116670
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.60  1.86  2.74  3.45  5.16  3.42  4.26  3.95  3.51  3.09  3.17  2.38 38.59
City:PEORIA GTR PEORIA AP   
State:IL
Lat:40.40N
Long:089.41W
Elev:  652
ID:116711
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.3  19.7  30.2  40.3  50.8  60.1  64.6  62.6  54.0  42.3  31.4  20.1  40.9
Maximum     30.7  36.6  49.4  62.0  73.0  82.2  85.7  83.6  76.7  64.4  48.8  35.5  60.7
Mean        22.5  28.2  39.8  51.2  61.9  71.1  75.1  73.1  65.4  53.4  40.1  27.8  50.8
Precip.     1.50  1.67  2.83  3.56  4.17  3.84  4.02  3.16  3.12  2.76  2.99  2.40 36.03
HDD         1316  1045   788   423   159    19     2     7    94   368   738  1136  6095
CDD            0     0     1    11    64   210   325   263   112    12     0     0   998
City:PEOTONE                
State:IL
Lat:41.20N
Long:087.47W
Elev:  720
ID:116725
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.57  1.45  2.66  3.99  4.68  5.12  4.15  3.66  3.38  3.36  3.65  2.55 40.22
City:PERU                   
State:IL
Lat:41.21N
Long:089.06W
Elev:  620
ID:116753
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     11.6  16.8  27.7  37.8  48.7  58.7  63.1  61.0  51.9  40.6  29.8  18.0  38.8
Maximum     29.0  34.7  47.4  61.1  72.8  82.3  85.3  83.1  76.5  64.8  48.0  34.6  60.0
Mean        20.3  25.8  37.6  49.5  60.8  70.5  74.2  72.1  64.2  52.7  38.9  26.3  49.4
Precip.     1.46  1.42  2.67  3.60  4.55  4.10  4.04  4.11  3.63  3.00  2.83  2.29 37.70
HDD         1387  1098   852   471   205    17     5    25    94   388   784  1199  6525
CDD            0     0     0     4    73   182   289   243    70     7     0     0   868
City:PETERSBURG 3 SSW       
State:IL
Lat:39.59N
Long:089.52W
Elev:  600
ID:116760
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.57  1.64  3.03  3.44  3.74  3.38  3.57  3.35  2.72  2.60  3.03  2.36 34.43
City:PETERSBURG 2 SW        
State:IL
Lat:39.59N
Long:089.52W
Elev:  605
ID:116765
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.50  1.56  2.55  3.60  4.61  3.64  4.39  4.13  2.87  2.69  3.09  2.51 37.14
City:PINCKNEYVILLE 2 N      
State:IL
Lat:38.06N
Long:089.23W
Elev:  430
ID:116779
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     3.15  2.64  4.09  3.77  5.31  4.39  4.96  2.44  3.37  2.61  4.31  3.36 44.40
City:PIPER CITY             
State:IL
Lat:40.46N
Long:088.12W
Elev:  670
ID:116819
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.2  17.9  28.1  37.6  48.8  58.9  62.4  59.5  51.2  40.5  30.3  19.5  39.0
Maximum     31.1  36.9  49.3  62.2  74.2  83.5  86.1  84.0  78.1  65.5  49.2  36.2  61.4
Mean        22.2  27.4  38.7  49.9  61.5  71.2  74.3  71.8  64.7  53.0  39.8  27.9  50.2
Precip.     1.91  1.80  2.77  3.35  4.04  3.83  4.22  3.81  2.91  2.58  3.08  2.53 36.83
HDD         1330  1053   814   457   190    19     6    22    85   382   758  1152  6268
CDD            0     0     0     4    81   204   293   231    73     9     0     0   895
City:PLUMFIELD              
State:IL
Lat:37.54N
Long:089.01W
Elev:  405
ID:116874
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     3.28  2.87  4.16  4.08  4.73  4.06  4.12  2.54  3.50  2.66  4.96  3.53 44.49
City:PONTIAC                
State:IL
Lat:40.53N
Long:088.38W
Elev:  650
ID:116910
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.8  18.3  28.6  38.7  49.6  59.8  63.6  61.7  53.5  41.9  31.0  20.1  40.1
Maximum     29.9  35.7  48.2  61.5  73.1  82.1  84.7  82.7  77.0  64.8  48.7  35.4  60.3
Mean        21.9  27.0  38.4  50.1  61.4  71.0  74.2  72.2  65.3  53.4  39.9  27.8  50.2
Precip.     1.63  1.44  2.82  3.41  3.83  4.11  4.07  3.56  3.04  2.67  3.02  2.51 36.11
HDD         1339  1064   825   452   191    19     4    19    80   373   755  1155  6276
CDD            0     0     0     5    77   197   288   243    87    12     0     0   909
City:PRAIRIE DUROCHER       
State:IL
Lat:38.05N
Long:090.06W
Elev:  395
ID:116973
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.13  2.19  3.75  3.74  4.27  3.53  4.05  3.55  3.72  3.32  4.11  3.30 41.66
City:PRINCETON              
State:IL
Lat:41.23N
Long:089.28W
Elev:  695
ID:116998
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.8  19.4  29.5  40.1  51.2  60.8  64.8  62.7  54.6  43.0  31.1  19.4  40.9
Maximum     29.4  34.8  47.5  61.2  73.3  82.3  85.1  82.3  74.9  63.0  46.5  33.4  59.5
Mean        21.6  27.1  38.5  50.7  62.3  71.6  75.0  72.5  64.8  53.0  38.8  26.4  50.2
Precip.     1.65  1.48  2.46  3.76  4.09  4.36  3.34  4.76  3.65  2.94  2.93  2.45 37.87
HDD         1346  1061   821   435   171    13     2    16    88   381   786  1197  6317
CDD            0     0     0     4    85   210   310   248    81     9     0     0   947
City:PRINCEVILLE            
State:IL
Lat:40.56N
Long:089.47W
Elev:  735
ID:117004
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.5  14.8  25.5  36.6  47.5  57.3  60.6  58.5  49.4  38.5  27.0  16.0  36.8
Maximum     30.4  36.7  49.7  63.2  73.4  81.8  84.9  82.5  76.1  64.7  49.2  35.8  60.7
Mean        20.0  25.8  37.6  49.9  60.5  69.6  72.8  70.5  62.8  51.6  38.1  25.9  48.8
Precip.     1.95  1.72  3.06  3.72  4.58  3.92  3.91  3.72  3.39  2.84  2.98  2.45 38.24
HDD         1396  1099   849   463   203    32    10    35   137   427   807  1212  6670
CDD            0     0     0     8    62   168   250   205    70    12     0     0   775
City:QUINCY BALDWIN AP      
State:IL
Lat:39.57N
Long:091.12W
Elev:  763
ID:117072
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.7  22.0  32.3  42.8  53.0  62.2  66.6  64.3  55.9  44.6  33.2  21.9  43.0
Maximum     32.7  38.7  50.9  63.1  72.8  81.8  86.0  84.0  77.1  65.5  50.2  37.2  61.7
Mean        24.7  30.4  41.6  53.0  62.9  72.0  76.3  74.2  66.5  55.1  41.7  29.6  52.3
Precip.     1.36  1.84  3.04  3.79  4.86  3.61  3.84  3.44  3.85  3.21  3.23  2.37 38.44
HDD         1249   971   724   370   150    13     1    13    74   318   700  1098  5681
CDD            0     0     0     8    84   223   353   297   119    10     0     0  1094
City:QUINCY DAM 21          
State:IL
Lat:39.54N
Long:091.26W
Elev:  483
ID:117077
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.0  20.6  30.1  40.8  51.3  60.9  65.5  62.9  54.8  43.0  32.5  21.1  41.6
Maximum     33.7  40.0  52.1  64.8  74.7  83.8  88.0  85.8  77.9  66.3  50.9  37.9  63.0
Mean        24.9  30.3  41.1  52.8  63.0  72.4  76.8  74.4  66.4  54.7  41.7  29.5  52.3
Precip.     1.36  1.74  2.93  3.48  4.61  3.26  3.89  3.09  3.45  2.50  3.10  2.22 35.63
HDD         1245   971   741   375   149    12     0    12    70   332   699  1101  5707
CDD            0     0     0     9    86   232   364   302   112    12     0     0  1117
City:QUINCY MEMORIAL BRIDGE 
State:IL
Lat:39.56N
Long:091.25W
Elev:  508
ID:117082
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.54  1.98  3.21  3.70  4.57  3.59  4.53  3.33  4.02  2.73  3.26  2.49 38.95
City:RAMSEY                 
State:IL
Lat:39.09N
Long:089.06W
Elev:  600
ID:117126
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.32  1.92  3.04  3.69  4.28  3.70  3.81  3.29  2.94  2.82  3.76  2.28 37.85
City:RANTOUL                
State:IL
Lat:40.19N
Long:088.10W
Elev:  740
ID:117150
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.7  18.5  29.0  38.7  50.2  60.2  63.5  61.1  52.7  41.1  30.8  20.3  40.0
Maximum     32.6  38.2  49.9  62.7  74.5  84.3  87.4  85.3  79.2  66.5  50.7  37.8  62.4
Mean        23.2  28.4  39.5  50.7  62.4  72.3  75.5  73.2  66.0  53.8  40.8  29.1  51.2
Precip.     1.72  1.78  3.06  3.64  4.21  3.88  4.39  4.35  2.95  2.91  3.17  2.69 38.75
HDD         1298  1026   792   434   183    18     2    14    76   360   728  1115  6046
CDD            0     0     0     5   102   234   326   269   104    14     0     0  1054
City:RED BUD 5 SE           
State:IL
Lat:38.11N
Long:089.56W
Elev:  430
ID:117157
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.28  2.36  3.76  3.98  4.37  3.67  3.83  3.45  3.18  3.14  4.14  3.33 41.49
City:REND LAKE DAM          
State:IL
Lat:38.02N
Long:088.59W
Elev:  455
ID:117187
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.26  2.62  4.22  4.29  4.38  4.48  3.25  3.00  3.31  2.89  4.27  3.39 42.36
City:ROCHELLE               
State:IL
Lat:41.55N
Long:089.04W
Elev:  775
ID:117354
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      8.1  13.7  24.6  35.2  46.7  57.0  60.2  58.4  49.2  37.4  26.9  14.8  36.0
Maximum     26.7  32.1  44.6  58.1  70.4  79.4  83.1  81.1  74.1  62.4  45.6  32.0  57.5
Mean        17.4  22.9  34.6  46.7  58.6  68.2  71.7  69.8  61.7  49.9  36.3  23.4  46.8
Precip.     1.25  1.25  1.87  3.48  3.58  4.12  3.42  4.35  3.23  2.73  2.54  1.82 33.64
HDD         1475  1179   943   553   254    50    14    34   141   472   863  1291  7269
CDD            0     0     0     1    54   145   222   181    40     4     0     0   647
City:ROCKFORD AP            
State:IL
Lat:42.12N
Long:089.06W
Elev:  733
ID:117382
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.8  16.3  26.7  36.8  47.9  57.6  62.6  60.9  51.8  40.1  29.0  16.9  38.1
Maximum     27.2  33.0  45.5  59.1  71.2  79.9  83.1  80.9  73.9  61.8  45.5  32.0  57.8
Mean        19.0  24.7  36.1  47.9  59.6  68.8  72.9  70.9  62.8  51.0  37.2  24.4  48.0
Precip.     1.41  1.34  2.39  3.62  4.02  4.80  4.10  4.21  3.47  2.57  2.63  2.06 36.63
HDD         1430  1150   912   522   215    36     5    14   136   444   832  1244  6940
CDD            0     0     1     7    49   162   263   205    74     7     0     0   768
City:ROCK ISLAND L&D 15     
State:IL
Lat:41.31N
Long:090.34W
Elev:  568
ID:117391
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.3  18.8  29.1  41.3  52.1  63.2  67.6  65.6  56.6  45.0  31.8  19.6  42.0
Maximum     30.2  35.5  47.5  60.6  72.2  81.4  85.1  83.3  76.4  64.6  47.8  34.7  59.9
Mean        21.8  27.2  38.3  51.0  62.2  72.3  76.4  74.5  66.5  54.8  39.8  27.2  51.0
Precip.     1.28  1.41  2.59  3.64  4.44  4.75  2.99  4.31  2.90  2.39  2.47  1.93 35.10
HDD         1342  1060   828   428   172    12     0     9    66   332   756  1174  6179
CDD            0     0     0     5    83   232   352   302   111    15     0     0  1100
City:ROSICLARE 5 NW         
State:IL
Lat:37.28N
Long:088.24W
Elev:  400
ID:117487
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.8  23.9  33.1  42.1  51.7  60.3  65.0  63.1  54.9  42.6  34.1  25.2  43.1
Maximum     40.9  47.1  57.4  67.7  75.8  83.5  87.4  86.6  80.0  70.0  56.9  45.6  66.6
Mean        30.9  35.5  45.3  54.9  63.8  71.9  76.2  74.9  67.5  56.3  45.5  35.4  54.8
Precip.     3.48  3.68  4.71  4.75  5.02  4.19  4.22  3.49  3.24  3.22  4.41  4.29 48.70
HDD         1058   826   611   313   132     9     0     5    59   287   587   918  4805
CDD            0     0     0    10    95   217   348   310   133    18     1     0  1132
City:RUSHVILLE              
State:IL
Lat:40.07N
Long:090.34W
Elev:  660
ID:117551
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.6  19.7  30.3  41.1  51.3  60.8  65.3  62.8  54.3  42.9  31.1  20.5  41.2
Maximum     32.2  38.3  50.0  62.7  73.0  82.0  86.5  84.4  77.5  66.0  50.0  37.1  61.6
Mean        23.4  29.0  40.2  51.9  62.2  71.4  75.9  73.6  65.9  54.5  40.6  28.8  51.5
Precip.     1.55  1.89  3.05  3.89  5.14  3.92  3.87  3.54  3.63  3.25  3.16  2.43 39.32
HDD         1290  1008   771   400   162    14     0    12    71   338   734  1122  5922
CDD            0     0     0     6    74   207   336   277    99    11     0     0  1010
City:STE MARIE              
State:IL
Lat:38.56N
Long:088.01W
Elev:  500
ID:117603
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.61  2.44  3.90  4.13  4.63  4.05  4.30  3.59  3.38  2.85  4.11  3.21 43.20
City:SALEM                  
State:IL
Lat:38.39N
Long:088.57W
Elev:  550
ID:117636
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.1  22.3  32.5  43.6  53.7  63.2  68.1  66.0  57.2  45.1  33.9  23.9  44.0
Maximum     36.8  42.7  54.1  65.4  75.3  84.2  88.2  86.6  79.6  68.6  53.7  41.6  64.7
Mean        27.5  32.5  43.3  54.5  64.5  73.7  78.2  76.3  68.4  56.9  43.8  32.8  54.4
Precip.     2.46  2.53  3.98  4.01  4.37  4.15  3.90  3.43  3.22  3.10  4.12  3.26 42.53
HDD         1166   910   674   326   122     7     0     3    46   279   636  1000  5169
CDD            0     0     0    11   108   269   408   353   146    25     0     0  1320
City:SHAWNEETOWN OLD TOWN   
State:IL
Lat:37.42N
Long:088.08W
Elev:  350
ID:117859
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     3.12  3.31  4.68  4.21  5.00  3.91  3.88  3.34  2.81  2.57  4.42  3.82 45.07
City:SIDELL 5 NW            
State:IL
Lat:39.59N
Long:087.53W
Elev:  675
ID:117952
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.08  1.97  2.89  3.68  4.32  3.48  4.66  3.73  2.84  2.82  3.45  2.84 38.76
City:SMITHLAND LOCK & DAM   
State:IL
Lat:37.10N
Long:088.26W
Elev:  357
ID:118020
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     23.8  26.7  36.6  45.1  54.9  63.3  68.5  66.7  59.4  46.4  36.9  28.0  46.4
Maximum     40.8  46.5  56.8  67.5  76.3  84.6  88.7  87.2  80.7  69.5  56.7  45.3  66.7
Mean        32.3  36.6  46.7  56.3  65.6  74.0  78.6  77.0  70.1  58.0  46.8  36.7  56.6
Precip.     3.33  3.52  4.39  4.57  4.54  4.19  4.49  2.74  3.57  3.38  4.06  4.30 47.08
HDD         1013   795   569   276   100     3     0     1    32   249   548   879  4465
CDD            0     0     2    14   118   272   421   372   183    31     1     0  1414
City:SPARTA 1 W             
State:IL
Lat:38.07N
Long:089.43W
Elev:  535
ID:118147
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.3  24.5  33.2  43.1  52.7  62.3  66.7  64.4  55.9  44.7  34.9  25.3  44.0
Maximum     37.8  44.2  54.8  65.5  75.3  84.1  88.3  86.9  79.6  69.2  54.4  42.4  65.2
Mean        29.1  34.4  44.0  54.3  64.0  73.2  77.5  75.7  67.8  57.0  44.7  33.9  54.6
Precip.     2.43  2.53  4.06  4.10  4.51  3.75  4.19  3.31  3.08  3.26  4.21  3.31 42.74
HDD         1113   859   651   330   128     7     0     6    56   270   610   967  4997
CDD            0     0     0    10    97   253   387   336   138    21     0     0  1242
City:SPRINGFIELD CAPITAL AP 
State:IL
Lat:39.51N
Long:089.41W
Elev:  586
ID:118179
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.1  22.2  32.4  42.2  52.7  61.9  66.0  63.9  55.4  44.4  33.7  22.6  42.9
Maximum     33.1  38.9  51.1  63.4  74.4  83.3  86.5  84.5  78.5  66.6  50.9  38.0  62.4
Mean        25.1  30.6  41.8  52.8  63.6  72.6  76.3  74.2  67.0  55.5  42.3  30.3  52.7
Precip.     1.62  1.80  3.15  3.36  4.06  3.77  3.53  3.41  2.83  2.62  2.87  2.54 35.56
HDD         1239   980   726   376   126    14     1     4    77   319   674  1060  5596
CDD            0     0     2    17    84   249   358   291   140    23     1     0  1165
City:STOCKTON 3 NNE         
State:IL
Lat:42.24N
Long:090.00W
Elev:  970
ID:118293
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum      9.5  15.7  25.9  36.3  47.7  56.7  60.8  58.6  50.2  38.9  28.1  15.4  37.0
Maximum     26.2  32.1  44.1  58.2  70.3  79.0  81.9  80.0  72.7  61.3  44.6  31.0  56.8
Mean        17.9  23.9  35.0  47.3  59.0  67.9  71.4  69.3  61.5  50.1  36.4  23.2  46.9
Precip.     1.15  1.40  2.35  3.52  3.81  4.65  3.17  4.35  3.80  2.70  2.69  1.61 35.20
HDD         1461  1152   930   534   234    39    10    34   149   464   860  1295  7162
CDD            0     0     0     2    48   124   207   166    41     3     0     0   591
City:STREATOR 3 SE          
State:IL
Lat:41.05N
Long:088.49W
Elev:  610
ID:118353
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.89  1.81  2.97  3.67  3.74  4.34  4.31  3.62  3.20  2.81  3.18  2.62 38.16
City:TISKILWA 2 SE          
State:IL
Lat:41.16N
Long:089.28W
Elev:  640
ID:118604
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.4  18.8  29.0  38.9  48.8  58.1  62.1  60.1  51.9  41.2  30.8  19.1  39.4
Maximum     30.5  36.5  49.0  62.7  74.4  82.9  86.0  84.2  77.7  65.4  48.9  35.6  61.2
Mean        22.0  27.7  39.0  50.8  61.6  70.5  74.1  72.2  64.8  53.3  39.9  27.4  50.3
Precip.     1.35  1.48  2.59  3.66  3.96  4.79  3.80  4.00  3.49  2.86  2.70  2.12 36.80
HDD         1336  1046   806   431   178    18     4    15    90   374   755  1168  6221
CDD            0     0     0     5    72   182   285   236    84    11     0     0   875
City:TUSCOLA                
State:IL
Lat:39.48N
Long:088.17W
Elev:  655
ID:118684
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.0  22.9  32.7  42.3  53.1  62.3  65.9  63.8  56.4  45.2  34.5  23.9  43.4
Maximum     34.4  40.4  52.6  65.5  76.4  85.4  88.0  86.0  80.4  68.3  52.2  39.3  64.1
Mean        26.2  31.7  42.7  53.9  64.8  73.9  77.0  74.9  68.4  56.8  43.4  31.6  53.8
Precip.     2.29  2.12  3.14  3.84  3.96  4.15  4.64  3.73  3.14  2.86  3.74  3.05 40.66
HDD         1203   935   693   342   134     9     0     8    44   279   649  1037  5333
CDD            0     0     0     8   127   273   370   314   147    25     0     0  1264
City:URBANA                 
State:IL
Lat:40.05N
Long:088.14W
Elev:  743
ID:118740
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.2  21.1  30.4  39.9  51.1  60.4  64.4  62.4  54.3  42.9  32.6  21.9  41.5
Maximum     32.0  37.6  49.5  62.2  73.6  82.6  85.2  83.2  77.6  65.1  49.5  36.8  61.2
Mean        24.1  29.4  40.0  51.1  62.4  71.5  74.8  72.8  66.0  54.0  41.1  29.4  51.4
Precip.     1.90  2.01  3.21  3.65  4.80  4.21  4.67  4.37  3.22  2.81  3.45  2.76 41.06
HDD         1268   998   775   422   174    17     1    11    73   353   718  1106  5916
CDD            0     0     0     4    92   212   304   254   101    12     0     0   979
City:UTICA STARVED ROCK DAM 
State:IL
Lat:41.19N
Long:088.59W
Elev:  460
ID:118756
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.66  1.66  2.85  3.61  4.26  3.91  3.74  3.77  3.59  2.59  3.03  2.34 37.01
City:VANDALIA               
State:IL
Lat:38.58N
Long:089.06W
Elev:  540
ID:118781
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.0  22.6  32.4  42.7  52.9  62.2  66.7  64.2  55.1  43.1  33.8  23.6  43.1
Maximum     34.5  40.5  51.7  63.8  74.3  83.1  87.5  85.7  79.0  67.3  52.6  39.9  63.3
Mean        26.3  31.6  42.1  53.3  63.6  72.7  77.1  75.0  67.1  55.2  43.2  31.8  53.3
Precip.     2.49  2.41  3.72  3.57  4.11  3.93  3.61  2.80  2.97  2.84  3.70  2.75 38.90
HDD         1201   937   712   359   140    11     0    11    62   319   655  1030  5437
CDD            0     0     0     7    96   241   375   318   123    15     0     0  1175
City:VIRDEN                 
State:IL
Lat:39.30N
Long:089.46W
Elev:  675
ID:118860
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.4  23.5  33.2  43.5  53.6  62.4  65.8  63.5  55.9  45.2  34.4  23.6  43.6
Maximum     34.8  40.7  53.0  65.7  75.8  84.2  87.9  86.2  80.2  68.2  52.3  39.4  64.0
Mean        26.6  32.1  43.1  54.6  64.7  73.3  76.9  74.9  68.1  56.7  43.4  31.5  53.8
Precip.     1.85  2.02  3.22  3.59  4.37  3.92  3.62  3.06  2.95  2.58  3.34  2.53 37.05
HDD         1189   921   679   325   127     9     0     8    53   280   649  1038  5278
CDD            0     0     0    13   118   259   366   313   143    24     0     0  1236
City:VIRGINIA               
State:IL
Lat:39.57N
Long:090.13W
Elev:  620
ID:118870
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.67  1.90  3.22  3.42  4.65  3.87  3.95  3.44  3.24  2.90  3.33  2.61 38.20
City:WALNUT                 
State:IL
Lat:41.33N
Long:089.36W
Elev:  690
ID:118916
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     10.7  16.7  28.1  38.7  50.6  59.7  63.6  61.3  52.8  40.9  29.4  17.2  39.1
Maximum     28.0  33.1  45.7  59.3  71.3  80.5  83.4  81.4  74.5  62.9  46.1  33.0  58.3
Mean        19.4  24.9  36.9  49.0  61.0  70.1  73.5  71.4  63.7  51.9  37.8  25.1  48.7
Precip.     1.31  1.35  2.65  3.49  4.43  4.52  3.61  4.36  3.45  2.80  2.57  2.03 36.57
HDD         1415  1122   870   484   202    18     6    22   105   413   818  1237  6712
CDD            0     0     0     4    76   171   270   220    63     7     0     0   811
City:WALTONVILLE            
State:IL
Lat:38.14N
Long:089.02W
Elev:  450
ID:118932
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     3.04  2.34  4.20  4.08  4.21  4.12  3.38  2.97  3.14  2.68  5.04  3.35 42.55
City:WATERLOO               
State:IL
Lat:38.20N
Long:090.09W
Elev:  650
ID:119002
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.3  25.1  35.1  44.6  54.7  63.8  68.1  66.2  58.6  47.0  36.2  25.1  45.4
Maximum     37.6  44.0  54.8  66.0  75.6  84.4  88.5  86.9  79.9  68.6  54.3  42.0  65.2
Mean        29.0  34.6  45.0  55.3  65.2  74.1  78.3  76.6  69.3  57.8  45.3  33.6  55.3
Precip.     2.32  2.40  3.73  4.16  4.04  4.01  4.25  3.13  3.41  3.05  4.21  3.40 42.11
HDD         1118   853   621   306   110     6     0     3    41   250   595   976  4879
CDD            0     0     0    15   114   279   412   361   168    27     1     0  1377
City:WATSEKA 2 NW           
State:IL
Lat:40.48N
Long:087.45W
Elev:  620
ID:119021
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.0  18.1  29.2  38.8  49.8  59.4  63.4  60.8  52.5  41.4  31.6  20.5  40.0
Maximum     30.1  35.6  47.8  60.2  72.0  81.7  84.4  82.5  76.8  64.4  48.7  35.5  60.0
Mean        22.1  26.9  38.5  49.5  60.9  70.6  73.9  71.7  64.7  52.9  40.2  28.0  50.0
Precip.     1.61  1.73  3.36  3.77  4.04  4.62  4.22  3.65  3.41  2.91  3.33  2.57 39.22
HDD         1331  1069   822   468   204    23     3    25    88   383   745  1147  6308
CDD            0     0     0     3    77   189   279   232    78     8     0     0   866
City:WAUKEGAN               
State:IL
Lat:42.21N
Long:087.53W
Elev:  700
ID:119029
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.0  16.6  26.0  35.6  45.8  55.3  61.3  60.5  52.4  40.9  29.9  18.3  37.9
Maximum     28.5  32.9  43.0  54.6  66.7  77.1  81.7  80.1  73.1  61.6  47.3  33.9  56.7
Mean        20.3  24.8  34.5  45.1  56.3  66.2  71.5  70.3  62.8  51.3  38.6  26.1  47.3
Precip.     1.60  1.40  2.15  3.73  3.44  3.62  3.49  4.22  3.40  2.42  2.57  2.05 34.09
HDD         1387  1126   945   598   301    79    11    37   118   430   793  1206  7031
CDD            0     0     0     0    30   114   213   201    50     5     0     0   613
City:WAUKEGAN NO 2          
State:IL
Lat:42.22N
Long:087.49W
Elev:  650
ID:119030
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     1.07  0.98  2.12  3.71  3.31  3.35  3.57  3.88  3.73  2.27  2.69  1.64 32.32
City:WAYNE CITY 1 N         
State:IL
Lat:38.21N
Long:088.35W
Elev:  440
ID:119040
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     2.65  2.43  3.31  4.19  4.60  3.72  3.42  2.93  2.91  2.91  3.91  3.55 40.53
City:WHEATON 3 SE           
State:IL
Lat:41.49N
Long:088.04W
Elev:  680
ID:119221
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.2  18.9  28.4  37.6  47.6  57.4  62.8  61.5  53.4  42.1  31.7  20.5  39.7
Maximum     32.0  38.0  50.0  62.8  74.8  83.8  86.8  85.0  78.4  66.5  50.0  36.9  62.1
Mean        23.1  28.5  39.2  50.2  61.2  70.6  74.8  73.3  65.9  54.3  40.9  28.7  50.9
Precip.     1.85  1.56  2.62  3.80  3.94  3.91  3.97  4.60  3.38  2.66  3.20  2.45 37.94
HDD         1298  1023   800   447   191    22     2    13    65   343   724  1125  6053
CDD            0     0     0     3    72   191   306   267    91    12     0     0   942
City:WHITE HALL 1 E         
State:IL
Lat:39.26N
Long:090.23W
Elev:  580
ID:119241
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     15.7  20.1  30.4  41.5  51.7  61.0  65.0  62.7  53.8  42.5  31.7  21.4  41.5
Maximum     34.3  40.3  51.8  63.5  73.8  82.6  86.7  84.8  78.0  67.2  51.8  39.5  62.9
Mean        25.0  30.2  41.1  52.5  62.8  71.8  75.9  73.8  65.9  54.9  41.8  30.5  52.2
Precip.     1.60  1.75  3.28  3.55  4.34  3.56  3.37  2.84  2.96  2.62  3.25  2.57 35.69
HDD         1241   975   741   381   150    12     0    12    72   327   697  1072  5680
CDD            0     0     0     6    80   216   337   283    98    13     0     0  1033
City:WINDSOR                
State:IL
Lat:39.27N
Long:088.36W
Elev:  690
ID:119354
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.9  23.7  33.1  42.8  53.2  61.9  65.6  63.5  56.1  45.2  34.8  24.3  43.6
Maximum     34.5  40.5  52.2  64.6  74.9  83.4  86.9  85.4  79.7  68.1  52.4  39.5  63.5
Mean        26.7  32.1  42.7  53.7  64.1  72.7  76.3  74.5  67.9  56.7  43.6  31.9  53.6
Precip.     1.99  1.89  3.30  3.70  3.99  4.05  4.00  3.27  3.05  3.07  3.85  2.98 39.14
HDD         1188   921   693   346   138     9     0     7    48   281   642  1027  5300
CDD            0     0     0     7   109   239   349   298   133    22     0     0  1157

 

 

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