| MARYLAND Climate Normals (1971-2000) other states |
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| MARYLAND Climate Normals (1971-2000) other states |
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City:ABERDEEN PHILLIPS FIELD State:MD Lat:39.28N Long:076.10W Elev: 57 ID:180015 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 25.8 28.1 34.9 43.6 53.1 61.8 67.0 65.6 58.8 46.6 38.4 30.4 46.2 Maximum 41.4 45.4 54.6 65.5 74.7 82.6 87.0 85.2 78.9 67.9 56.8 46.2 65.5 Mean 33.6 36.8 44.8 54.6 63.9 72.2 77.0 75.4 68.9 57.3 47.6 38.3 55.9 Precip. 3.41 2.60 3.65 3.36 4.41 4.03 4.21 4.07 4.48 3.39 3.20 3.41 44.22 HDD 973 791 627 318 107 6 0 0 24 263 522 828 4459 CDD 0 0 0 4 71 222 372 321 140 23 0 0 1153 City:ANNAPOLIS POLICE BRKS State:MD Lat:39.00N Long:076.31W Elev: 25 ID:180193 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.8 25.1 32.8 42.1 52.3 61.6 67.3 65.8 58.5 46.3 36.2 28.6 45.0 Maximum 41.8 45.0 54.3 65.1 74.8 83.2 87.7 85.3 78.0 66.9 55.7 46.8 65.4 Mean 32.8 35.1 43.6 53.6 63.6 72.4 77.5 75.6 68.3 56.6 46.0 37.7 55.2 Precip. 3.49 2.95 4.17 3.34 4.42 3.56 3.98 4.04 4.25 3.56 3.33 3.69 44.78 HDD 998 839 664 344 106 6 0 0 34 286 572 846 4695 CDD 0 0 0 3 60 229 387 326 132 25 0 0 1162 City:ASSATEAGUE State:MD Lat:38.04N Long:075.13W Elev: 10 ID:180335 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 28.1 29.6 35.0 43.5 53.1 61.8 67.5 67.4 62.4 50.8 41.0 32.4 47.7 Maximum 44.5 46.3 52.8 61.4 69.9 78.5 83.7 83.3 78.1 68.3 58.4 49.4 64.6 Mean 36.3 38.0 43.9 52.5 61.5 70.2 75.6 75.4 70.3 59.6 49.7 40.9 56.2 Precip. 4.34 3.59 4.26 3.25 3.60 2.85 3.62 4.18 3.70 3.30 3.16 3.21 43.06 HDD 890 757 653 376 140 18 0 0 13 209 463 747 4266 CDD 0 0 0 0 31 173 328 321 170 40 3 0 1066 City:BALTIMORE-WASHINGTON AP State:MD Lat:39.10N Long:076.41W Elev: 148 ID:180465 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.5 26.1 33.6 42.0 51.8 60.8 65.8 63.9 56.6 43.7 34.7 27.3 44.2 Maximum 41.2 44.8 53.9 64.5 73.9 82.7 87.2 85.1 78.2 67.0 56.3 46.0 65.1 Mean 32.3 35.5 43.7 53.2 62.9 71.8 76.5 74.5 67.4 55.4 45.5 36.7 54.6 Precip. 3.47 3.02 3.93 3.00 3.89 3.43 3.85 3.74 3.98 3.16 3.12 3.35 41.94 HDD 986 816 647 345 119 12 0 1 41 279 549 839 4634 CDD 0 0 4 13 71 236 390 332 153 19 2 0 1220 City:BALTIMORE CITY State:MD Lat:39.17N Long:076.37W Elev: 14 ID:180470 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 29.4 31.3 39.0 48.2 58.2 67.7 72.7 70.8 63.7 51.6 42.1 33.5 50.7 Maximum 44.1 47.3 56.8 67.8 77.2 86.0 90.6 88.2 80.9 69.7 58.7 48.5 68.0 Mean 36.8 39.3 47.9 58.0 67.7 76.9 81.7 79.5 72.3 60.7 50.4 41.0 59.4 Precip. 3.48 3.07 4.12 3.06 4.18 3.28 3.96 4.05 4.06 3.19 3.45 3.69 43.59 HDD 877 720 531 233 64 1 0 0 11 187 439 744 3807 CDD 0 0 1 23 146 357 515 450 230 51 1 0 1774 City:BELTSVILLE State:MD Lat:39.02N Long:076.53W Elev: 145 ID:180700 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.5 25.9 33.5 41.9 51.9 61.4 66.5 65.0 57.8 44.5 36.4 28.5 44.7 Maximum 41.7 44.8 54.0 64.7 74.0 82.7 87.2 85.6 78.9 67.6 56.9 46.1 65.4 Mean 32.6 35.4 43.8 53.3 63.0 72.1 76.9 75.3 68.4 56.1 46.7 37.3 55.1 Precip. 3.43 2.69 3.87 3.33 4.54 3.59 4.09 3.69 4.35 3.56 3.32 3.30 43.76 HDD 1005 831 659 353 119 9 0 0 29 294 550 858 4707 CDD 0 0 0 1 55 220 368 319 129 17 0 0 1109 City:BENSON POLICE BARRACKS State:MD Lat:39.30N Long:076.23W Elev: 365 ID:180732 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.0 25.3 32.4 41.4 51.8 60.5 65.2 63.5 56.7 44.8 35.6 27.6 44.0 Maximum 42.3 46.6 56.2 67.3 76.5 84.3 88.5 86.8 80.6 69.2 57.5 46.5 66.9 Mean 32.7 36.0 44.3 54.4 64.2 72.4 76.9 75.2 68.7 57.0 46.6 37.1 55.5 Precip. 3.79 2.92 4.44 3.81 5.02 4.36 5.03 4.35 4.53 3.72 4.01 3.79 49.77 HDD 1002 813 641 324 106 6 0 0 33 272 555 866 4618 CDD 0 0 0 4 79 227 367 315 143 24 0 0 1159 City:BOYDS 2 NW State:MD Lat:39.13N Long:077.20W Elev: 580 ID:181032 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.4 26.8 34.1 42.9 52.2 60.3 64.7 62.9 56.4 44.7 36.7 28.3 44.5 Maximum 40.6 45.0 54.7 65.5 74.1 81.8 85.7 84.0 77.7 67.2 55.6 45.0 64.7 Mean 32.5 35.9 44.4 54.2 63.2 71.1 75.2 73.5 67.1 56.0 46.2 36.7 54.7 Precip. 3.08 2.70 3.75 3.23 4.44 3.84 3.86 3.38 4.12 3.32 3.21 3.04 41.97 HDD 1007 815 639 326 115 10 0 2 40 295 567 878 4694 CDD 0 0 0 3 58 192 317 264 101 14 0 0 949 City:BRIGHTON DAM State:MD Lat:39.12N Long:077.01W Elev: 330 ID:181125 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precip. 3.34 3.18 4.29 3.31 4.64 3.92 4.04 3.36 3.89 3.61 3.59 3.51 44.68 City:CAMBRIDGE WATER TRMT PL State:MD Lat:38.34N Long:076.04W Elev: 10 ID:181385 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 27.2 29.3 36.5 44.7 54.5 63.5 68.3 66.9 60.5 48.8 40.1 31.8 47.7 Maximum 45.0 48.6 57.0 67.7 76.9 85.3 89.4 87.3 81.1 70.5 60.2 50.1 68.3 Mean 36.1 39.0 46.8 56.2 65.7 74.4 78.9 77.1 70.8 59.7 50.2 41.0 58.0 Precip. 4.11 3.13 4.44 3.22 4.16 3.23 4.32 4.59 3.87 3.07 3.43 3.65 45.22 HDD 896 730 566 271 66 3 0 0 9 197 447 745 3930 CDD 0 0 0 7 87 285 429 375 184 32 1 0 1400 City:CATOCTIN MOUNTAIN PARK State:MD Lat:39.39N Long:077.29W Elev: 1610 ID:181530 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 21.4 23.9 31.4 40.7 51.0 59.5 64.0 62.7 56.4 45.2 35.7 26.3 43.2 Maximum 36.6 40.5 50.4 63.0 72.2 78.8 82.1 80.3 73.7 63.8 51.9 41.2 61.2 Mean 29.0 32.2 40.9 51.9 61.6 69.2 73.1 71.5 65.1 54.5 43.8 33.8 52.2 Precip. 3.95 3.33 4.32 3.96 5.14 4.61 3.82 3.92 4.91 3.89 3.87 3.44 49.16 HDD 1116 918 748 396 154 21 3 7 66 335 637 969 5370 CDD 0 0 0 2 48 145 253 207 68 10 0 0 733 City:CENTREVILLE State:MD Lat:39.03N Long:076.04W Elev: 59 ID:181627 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 25.0 27.1 34.3 42.6 52.0 60.4 64.9 63.3 56.6 44.5 36.8 29.1 44.7 Maximum 43.5 47.3 56.0 66.7 75.9 84.1 88.0 86.4 80.1 69.7 58.8 48.2 67.1 Mean 34.3 37.2 45.2 54.7 64.0 72.3 76.5 74.9 68.4 57.1 47.8 38.7 55.9 Precip. 3.88 2.84 3.78 3.37 4.20 3.55 3.89 3.62 4.00 3.40 3.41 3.49 43.43 HDD 953 779 615 315 92 7 0 0 25 268 515 816 4385 CDD 0 0 0 3 59 224 355 305 126 23 0 0 1095 City:CHESTERTOWN State:MD Lat:39.13N Long:076.04W Elev: 40 ID:181750 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.8 26.9 34.4 43.0 52.9 61.9 66.9 65.2 58.0 46.0 37.2 29.0 45.5 Maximum 41.5 44.9 54.3 65.1 74.9 83.5 87.8 86.4 79.6 68.3 56.9 46.2 65.8 Mean 33.2 35.9 44.4 54.1 63.9 72.7 77.4 75.8 68.8 57.2 47.1 37.6 55.7 Precip. 3.56 3.03 4.16 3.34 4.09 4.26 3.94 3.76 4.30 3.37 3.34 3.69 44.84 HDD 988 814 640 330 103 6 0 0 24 265 539 850 4559 CDD 0 0 0 2 69 237 382 334 138 21 0 0 1183 City:CLARKSVILLE 3 NNE State:MD Lat:39.15N Long:076.56W Elev: 370 ID:181862 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 22.0 23.5 31.1 39.1 49.3 58.2 63.1 61.2 54.2 41.7 33.5 26.2 41.9 Maximum 40.7 45.0 54.5 65.6 75.1 83.1 87.1 85.3 79.1 67.7 56.0 45.4 65.4 Mean 31.4 34.3 42.8 52.4 62.2 70.7 75.1 73.3 66.7 54.7 44.8 35.8 53.7 Precip. 3.42 2.97 4.15 3.51 4.71 3.84 4.03 3.90 4.17 3.49 3.56 3.52 45.27 HDD 1043 861 688 380 129 10 0 3 41 330 607 905 4997 CDD 0 0 0 1 42 181 313 259 91 11 0 0 898 City:COLLEGE PARK State:MD Lat:38.59N Long:076.57W Elev: 90 ID:181995 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 25.5 27.6 35.4 43.9 54.1 63.5 68.7 66.9 59.9 46.8 38.0 30.0 46.7 Maximum 42.2 46.2 55.1 66.1 75.5 83.9 88.5 86.6 79.6 68.5 57.4 47.0 66.4 Mean 33.9 36.9 45.3 55.0 64.8 73.7 78.6 76.8 69.8 57.7 47.7 38.5 56.6 Precip. 3.46 2.84 3.79 3.18 4.58 3.76 4.43 4.05 4.12 3.43 3.30 3.27 44.21 HDD 966 787 613 304 89 5 0 0 18 253 520 822 4377 CDD 0 0 0 4 84 265 421 365 161 25 0 0 1325 City:CONOWINGO DAM State:MD Lat:39.39N Long:076.10W Elev: 40 ID:182060 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 21.9 23.8 31.7 40.5 51.0 60.1 64.7 63.6 56.5 43.9 34.4 26.8 43.2 Maximum 39.9 43.5 53.0 64.2 74.2 82.8 87.6 86.0 78.8 67.3 55.4 44.7 64.8 Mean 30.9 33.7 42.4 52.4 62.6 71.5 76.2 74.8 67.7 55.6 44.9 35.8 54.0 Precip. 3.98 2.92 4.16 3.65 4.58 4.15 4.20 4.41 4.92 3.47 3.76 3.89 48.09 HDD 1057 878 703 382 133 18 1 1 44 316 603 908 5044 CDD 0 0 0 1 58 211 346 305 123 24 0 0 1068 City:CRISFIELD SOMERS COVE State:MD Lat:37.59N Long:075.52W Elev: 8 ID:182215 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 30.2 31.3 38.3 47.5 57.1 66.1 71.4 70.5 63.8 52.6 43.0 34.4 50.5 Maximum 44.2 46.9 55.1 65.2 74.2 81.9 86.5 84.9 79.3 68.6 58.4 49.1 66.2 Mean 37.2 39.1 46.7 56.4 65.7 74.0 79.0 77.7 71.6 60.6 50.7 41.8 58.4 Precip. 3.25 3.00 4.29 2.81 3.12 2.83 4.14 4.15 2.76 2.78 2.80 2.51 38.44 HDD 862 725 567 265 67 2 0 0 8 180 431 722 3829 CDD 0 0 0 7 87 271 432 393 204 44 2 0 1440 City:CUMBERLAND 2 State:MD Lat:39.38N Long:078.45W Elev: 730 ID:182282 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 20.5 22.7 30.2 39.0 48.5 56.9 61.6 60.1 52.9 40.4 32.3 24.6 40.8 Maximum 40.0 45.0 55.1 66.8 75.9 83.5 87.3 85.7 78.7 67.4 54.8 43.8 65.3 Mean 30.3 33.9 42.7 52.9 62.2 70.2 74.5 72.9 65.8 53.9 43.6 34.2 53.1 Precip. 2.89 2.43 3.30 3.16 3.97 3.12 3.42 3.53 3.18 2.69 2.91 2.61 37.21 HDD 1077 872 693 365 146 20 5 6 57 353 642 955 5191 CDD 0 0 0 3 59 176 298 250 81 10 0 0 877 City:DALECARLIA RESERVOIR State:MD Lat:38.56N Long:077.07W Elev: 150 ID:182325 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.9 26.3 33.4 42.3 52.2 61.1 66.1 64.9 57.9 44.7 35.7 28.0 44.7 Maximum 44.0 48.4 57.9 68.9 77.6 85.2 89.1 87.4 80.7 69.8 58.6 48.4 68.0 Mean 34.0 37.4 45.7 55.6 64.9 73.2 77.6 76.2 69.3 57.3 47.2 38.2 56.4 Precip. 3.48 3.01 4.13 3.54 4.42 3.69 4.26 3.98 4.30 3.48 3.41 3.41 45.11 HDD 962 774 601 289 88 5 0 1 31 263 536 832 4382 CDD 0 0 0 7 84 249 390 345 160 23 0 0 1258 City:DENTON 2 E State:MD Lat:38.53N Long:075.48W Elev: 49 ID:182523 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.8 27.1 34.0 41.5 51.4 60.3 65.1 63.4 56.4 44.5 36.4 28.9 44.5 Maximum 43.7 47.3 56.5 67.3 76.3 84.9 88.8 86.7 80.8 70.0 59.1 48.4 67.5 Mean 34.3 37.2 45.3 54.4 63.9 72.6 77.0 75.1 68.6 57.3 47.8 38.7 56.0 Precip. 3.86 2.97 3.84 3.42 4.11 3.46 3.91 3.91 3.92 3.10 3.31 3.39 43.20 HDD 953 777 612 321 102 9 0 0 26 261 518 817 4396 CDD 0 0 0 3 65 236 371 311 134 21 0 0 1141 City:EDGEMONT State:MD Lat:39.40N Long:077.33W Elev: 905 ID:182770 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precip. 3.18 2.72 3.68 3.81 4.74 4.28 3.44 3.57 4.22 3.67 3.62 3.20 44.13 City:EMMITSBURG 2 SE State:MD Lat:39.41N Long:077.18W Elev: 416 ID:182906 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 22.7 24.5 32.4 40.7 50.6 59.3 64.1 62.3 55.4 43.4 35.0 27.8 43.2 Maximum 39.3 43.6 53.5 64.8 73.8 81.7 85.8 84.2 77.3 66.4 54.5 43.9 64.1 Mean 31.0 34.1 43.0 52.8 62.2 70.5 75.0 73.3 66.4 54.9 44.8 35.9 53.7 Precip. 3.66 2.97 3.95 3.80 4.52 4.35 3.64 3.60 4.26 3.48 3.80 3.31 45.34 HDD 1055 866 684 369 139 12 0 7 61 328 608 903 5032 CDD 0 0 0 1 52 178 309 263 101 14 0 0 918 City:FREDERICK POLICE BRKS State:MD Lat:39.25N Long:077.26W Elev: 380 ID:183348 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 25.1 27.3 34.5 43.7 53.5 62.3 66.9 65.5 58.5 46.8 38.0 29.6 46.0 Maximum 41.5 45.9 55.6 67.4 76.8 84.8 88.9 86.7 80.0 68.4 56.5 45.9 66.5 Mean 33.3 36.6 45.1 55.6 65.2 73.6 77.9 76.1 69.3 57.6 47.3 37.8 56.3 Precip. 3.05 2.59 3.45 3.32 4.18 3.91 3.50 2.93 3.82 3.26 3.27 3.36 40.64 HDD 983 796 618 290 85 3 0 0 25 253 532 845 4430 CDD 0 0 0 6 89 259 400 343 152 23 0 0 1272 City:FREDERICK 3 E State:MD Lat:39.24N Long:077.22W Elev: 385 ID:183355 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precip. 3.42 2.69 3.78 3.44 4.57 4.02 3.70 3.13 4.13 3.71 3.37 3.23 43.19 City:FROSTBURG 2 State:MD Lat:39.40N Long:078.56W Elev: 2168 ID:183415 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 16.5 18.4 25.6 35.2 45.7 53.6 58.1 57.0 50.2 39.4 30.7 21.9 37.7 Maximum 32.4 36.2 45.0 56.6 66.7 74.7 78.8 77.3 70.4 59.2 47.5 37.1 56.8 Mean 24.5 27.3 35.3 45.9 56.2 64.2 68.5 67.2 60.3 49.3 39.1 29.5 47.3 Precip. 3.57 3.10 3.84 3.97 4.76 3.84 3.91 3.82 3.62 3.21 3.76 3.16 44.56 HDD 1257 1055 919 573 290 85 29 43 158 487 777 1102 6775 CDD 0 0 0 0 18 60 137 111 17 1 0 0 344 City:GLENN DALE BELL STN State:MD Lat:38.58N Long:076.48W Elev: 150 ID:183675 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 21.2 22.8 31.2 39.0 49.5 58.5 63.3 62.0 54.8 42.2 32.8 25.9 41.9 Maximum 42.4 46.0 55.4 64.9 73.9 82.0 87.1 85.5 78.6 68.0 56.9 47.0 65.6 Mean 31.8 34.4 43.3 52.0 61.7 70.3 75.2 73.8 66.7 55.1 44.9 36.5 53.8 Precip. 3.45 2.83 3.95 3.41 4.69 3.73 4.18 4.09 4.03 3.61 3.42 3.27 44.66 HDD 1029 857 673 393 138 20 1 3 46 321 605 884 4970 CDD 0 0 0 1 36 178 319 273 96 14 0 0 917 City:HAGERSTOWN State:MD Lat:39.39N Long:077.44W Elev: 660 ID:183975 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 20.8 22.8 31.3 40.5 51.2 59.7 64.2 62.0 55.1 43.0 34.6 26.6 42.7 Maximum 37.7 42.1 52.2 63.2 73.6 81.6 86.1 84.3 76.9 65.9 53.5 42.7 63.3 Mean 29.3 32.5 41.8 51.9 62.4 70.7 75.2 73.2 66.0 54.5 44.1 34.7 53.0 Precip. 2.91 2.35 3.26 3.38 4.14 3.70 3.24 3.31 3.63 3.41 3.36 2.76 39.45 HDD 1108 911 720 396 138 13 1 3 51 337 629 942 5249 CDD 0 0 0 1 56 183 315 257 81 9 0 0 902 City:HANCOCK State:MD Lat:39.42N Long:078.11W Elev: 384 ID:184030 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 20.0 21.8 29.6 37.6 47.9 56.6 61.5 60.1 52.8 40.2 32.1 25.1 40.4 Maximum 39.6 43.3 53.5 64.8 74.2 82.1 86.4 84.5 77.5 66.8 55.4 43.9 64.3 Mean 29.8 32.6 41.6 51.2 61.1 69.4 74.0 72.3 65.2 53.5 43.8 34.5 52.4 Precip. 2.73 2.23 3.17 3.20 4.03 3.38 3.81 3.28 3.21 3.24 3.09 2.69 38.06 HDD 1092 908 727 414 164 20 0 7 68 366 639 946 5351 CDD 0 0 0 0 41 150 277 234 73 8 0 0 783 City:LA PLATA 1 W State:MD Lat:38.32N Long:077.00W Elev: 140 ID:185080 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 26.0 28.4 35.4 43.2 53.2 61.9 66.8 65.4 58.7 47.1 38.1 30.1 46.2 Maximum 44.0 48.5 57.8 68.4 74.6 81.2 84.8 83.4 77.9 68.0 58.6 48.2 66.3 Mean 35.0 38.5 46.6 55.8 63.9 71.6 75.8 74.4 68.3 57.6 48.4 39.2 56.3 Precip. 3.42 2.85 3.96 3.11 4.13 3.81 4.12 4.60 4.31 3.36 3.21 3.16 44.04 HDD 930 744 571 282 95 9 0 1 30 254 500 801 4217 CDD 0 0 0 6 60 207 335 293 130 23 1 0 1055 City:LAUREL 3 W State:MD Lat:39.06N Long:076.54W Elev: 400 ID:185111 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.5 27.0 34.8 44.0 54.0 62.3 67.4 66.2 58.8 46.9 37.9 29.3 46.1 Maximum 41.7 45.6 54.9 65.7 75.1 83.3 88.2 86.7 79.3 68.2 57.0 46.3 66.0 Mean 33.1 36.3 44.9 54.9 64.6 72.8 77.8 76.5 69.1 57.6 47.5 37.8 56.1 Precip. 3.52 3.01 4.17 3.61 4.75 3.92 4.02 3.61 4.53 3.62 3.98 3.66 46.40 HDD 989 804 625 313 106 9 0 0 30 258 528 843 4505 CDD 0 0 0 8 91 243 396 355 151 26 1 0 1271 City:MECHANICSVILLE 5 NE State:MD Lat:38.27N Long:076.41W Elev: 100 ID:185865 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 26.3 28.5 35.6 43.7 53.4 61.9 67.0 65.5 59.1 47.0 38.0 30.6 46.4 Maximum 43.5 47.2 56.7 66.8 74.3 82.0 86.1 84.0 77.4 66.3 57.8 48.4 65.9 Mean 34.9 37.9 46.2 55.3 63.9 72.0 76.6 74.8 68.3 56.7 47.9 39.5 56.2 Precip. 3.99 3.37 4.63 3.49 4.22 4.27 4.48 3.94 4.38 3.92 3.43 3.40 47.52 HDD 934 761 584 298 94 7 0 2 36 279 513 791 4299 CDD 0 0 0 6 58 216 357 304 133 19 0 0 1093 City:MERRILL State:MD Lat:39.36N Long:079.05W Elev: 1790 ID:185894 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precip. 3.03 2.71 3.46 3.59 4.25 3.68 4.14 3.70 3.11 2.87 3.16 3.02 40.72 City:MILLERS 4 NE State:MD Lat:39.43N Long:076.48W Elev: 860 ID:185934 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 22.8 25.0 32.4 41.2 50.8 59.7 64.1 62.6 55.9 45.4 36.3 27.9 43.7 Maximum 38.0 41.7 50.9 62.3 71.7 79.6 83.6 82.3 75.3 64.6 53.2 42.8 62.2 Mean 30.4 33.4 41.7 51.8 61.3 69.7 73.9 72.5 65.6 55.0 44.8 35.4 53.0 Precip. 3.64 2.90 3.77 3.45 4.28 3.62 3.57 3.71 4.14 3.44 3.61 3.54 43.67 HDD 1073 887 725 398 157 18 1 3 53 320 607 920 5162 CDD 0 0 0 1 42 157 275 235 70 10 0 0 790 City:MILLINGTON 1 SE State:MD Lat:39.16N Long:075.52W Elev: 30 ID:185985 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.5 25.5 33.1 41.2 51.0 59.9 64.7 63.2 56.5 44.7 36.1 28.0 44.0 Maximum 42.1 45.5 54.8 65.4 74.6 82.7 87.1 85.6 79.1 68.3 57.4 47.0 65.8 Mean 32.8 35.5 44.0 53.3 62.8 71.3 75.9 74.4 67.8 56.5 46.8 37.5 54.9 Precip. 3.50 2.95 4.22 3.36 4.32 3.88 4.05 4.05 4.27 3.39 3.22 3.57 44.78 HDD 999 826 653 354 119 12 0 1 36 285 547 852 4684 CDD 0 0 0 2 51 201 338 292 120 21 0 0 1025 City:NATIONAL ARBORETUM DC State:MD Lat:38.54N Long:076.59W Elev: 50 ID:186350 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.0 26.0 33.4 42.2 52.4 61.8 66.9 64.8 56.9 44.1 35.7 28.2 44.7 Maximum 43.0 46.4 55.3 66.0 75.8 84.4 88.9 87.4 80.4 69.0 58.0 47.7 66.9 Mean 33.5 36.2 44.4 54.1 64.1 73.1 77.9 76.1 68.7 56.6 46.9 38.0 55.8 Precip. 3.57 2.84 3.92 3.26 4.29 3.63 4.21 3.90 4.08 3.43 3.32 3.25 43.70 HDD 977 807 641 332 108 6 0 1 35 283 544 837 4571 CDD 0 0 0 4 80 249 399 345 144 22 0 0 1243 City:OAKLAND 1 SE State:MD Lat:39.24N Long:079.24W Elev: 2420 ID:186620 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 17.4 18.9 26.3 34.7 44.3 52.6 57.4 55.9 49.5 37.6 29.6 21.9 37.2 Maximum 36.1 39.6 49.5 60.3 69.0 76.0 79.3 78.2 72.1 62.3 50.4 40.6 59.5 Mean 26.8 29.3 37.9 47.5 56.7 64.3 68.4 67.1 60.8 50.0 40.0 31.3 48.3 Precip. 3.51 3.18 3.95 4.07 4.84 4.60 5.23 4.15 3.56 3.12 3.68 3.67 47.56 HDD 1186 1000 840 525 273 77 21 39 143 468 750 1046 6368 CDD 0 0 0 0 15 57 125 102 16 1 0 0 316 City:OWINGS FERRY LANDING State:MD Lat:38.41N Long:076.40W Elev: 160 ID:186770 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.4 26.6 33.8 42.2 52.1 60.9 65.8 64.0 57.8 45.9 37.1 28.8 45.0 Maximum 43.3 47.3 56.7 67.5 76.0 83.3 87.1 85.3 79.2 68.5 58.1 47.7 66.7 Mean 33.9 37.0 45.3 54.9 64.1 72.1 76.5 74.7 68.5 57.2 47.6 38.3 55.8 Precip. 3.56 2.70 3.90 3.10 4.24 3.71 4.17 3.70 4.08 3.32 3.45 3.21 43.14 HDD 965 786 612 312 105 9 0 1 28 260 523 830 4431 CDD 0 0 0 7 77 221 355 299 132 19 0 0 1110 City:PARKTON 2 SW State:MD Lat:39.38N Long:076.42W Elev: 600 ID:186844 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 20.5 22.6 30.2 38.8 48.5 57.8 62.6 61.2 54.3 42.0 33.5 25.2 41.4 Maximum 38.6 42.4 51.4 62.4 71.6 79.5 84.1 82.3 75.4 64.8 53.8 43.3 62.5 Mean 29.6 32.5 40.8 50.6 60.1 68.7 73.4 71.8 64.9 53.4 43.7 34.3 52.0 Precip. 3.56 3.14 4.37 3.74 4.78 4.41 4.03 3.43 4.46 3.42 3.77 3.66 46.77 HDD 1100 910 751 431 182 25 3 6 66 367 641 954 5436 CDD 0 0 0 0 29 135 261 215 62 6 0 0 708 City:PATUXENT RIVER NAS State:MD Lat:38.18N Long:076.25W Elev: 46 ID:813721 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 28.3 29.9 36.9 45.7 55.9 64.8 70.0 68.7 62.4 50.4 41.2 32.8 48.9 Maximum 43.9 46.5 54.8 64.8 73.6 81.5 86.1 84.8 78.8 68.3 58.5 48.7 65.9 Mean 36.1 38.2 45.9 55.3 64.8 73.2 78.1 76.8 70.6 59.4 49.9 40.8 57.4 Precip. 3.63 3.24 4.60 3.19 4.23 3.75 3.81 4.00 3.82 3.19 2.99 3.24 43.69 HDD 896 751 593 300 84 4 0 0 16 223 458 752 4077 CDD 0 0 0 7 75 248 405 363 183 47 3 0 1331 City:POTOMAC FILTER PLANT State:MD Lat:39.02N Long:077.15W Elev: 270 ID:187272 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precip. 2.97 2.58 3.43 3.22 3.77 3.65 3.57 3.44 4.04 3.21 3.39 3.15 40.42 City:PRINCESS ANNE State:MD Lat:38.13N Long:075.41W Elev: 20 ID:187330 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 26.0 27.8 34.3 41.2 50.8 59.8 64.7 63.1 56.2 44.4 37.1 29.5 44.6 Maximum 46.6 49.1 57.6 67.5 76.2 84.0 88.4 86.4 81.0 70.6 60.3 51.0 68.2 Mean 36.3 38.5 46.0 54.4 63.5 71.9 76.6 74.8 68.6 57.5 48.7 40.3 56.4 Precip. 3.83 2.94 4.24 3.23 3.41 3.13 4.27 4.84 3.92 3.31 3.16 3.14 43.42 HDD 889 743 591 323 101 9 0 0 27 258 489 768 4198 CDD 0 0 0 3 53 216 357 303 134 25 1 0 1092 City:ROCKVILLE 1 NE State:MD Lat:39.06N Long:077.09W Elev: 440 ID:187705 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.8 25.8 33.6 42.4 51.7 60.3 65.1 63.2 56.3 44.4 35.7 28.1 44.2 Maximum 39.7 43.3 52.8 64.1 72.8 81.0 85.4 83.4 76.6 65.8 54.7 44.4 63.7 Mean 31.8 34.6 43.2 53.3 62.3 70.7 75.3 73.3 66.5 55.1 45.2 36.3 54.0 Precip. 3.34 2.85 3.89 3.19 4.38 3.74 3.91 3.72 4.09 3.36 3.44 3.17 43.08 HDD 1032 853 676 360 149 33 10 10 59 323 594 891 4990 CDD 0 0 0 6 63 202 328 268 101 15 0 0 983 City:ROYAL OAK 2 SSW State:MD Lat:38.43N Long:076.11W Elev: 10 ID:187806 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 28.4 30.1 37.5 45.9 55.8 64.6 69.2 67.4 61.1 50.1 41.4 32.9 48.7 Maximum 43.7 46.8 55.8 66.2 75.6 83.8 88.0 86.4 80.3 69.5 58.8 48.6 67.0 Mean 36.1 38.5 46.7 56.1 65.7 74.2 78.6 76.9 70.7 59.8 50.1 40.8 57.9 Precip. 4.11 3.35 4.44 3.50 4.13 3.47 4.22 4.10 3.99 3.46 3.43 3.67 45.87 HDD 898 743 570 273 68 2 0 0 13 198 449 753 3967 CDD 0 0 0 6 90 279 423 370 185 38 1 0 1392 City:SALISBURY State:MD Lat:38.22N Long:075.35W Elev: 10 ID:188000 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 28.3 29.8 36.8 44.5 54.1 62.9 68.0 66.6 60.0 48.2 39.9 32.1 47.6 Maximum 46.1 48.7 57.2 67.2 75.5 82.9 86.9 85.3 79.9 69.9 60.0 50.2 67.5 Mean 37.2 39.3 47.0 55.9 64.8 72.9 77.5 76.0 70.0 59.1 50.0 41.2 57.6 Precip. 4.02 3.45 4.55 3.34 3.67 3.62 4.54 4.72 3.99 3.43 3.17 3.47 45.97 HDD 862 721 558 281 81 6 0 0 16 218 453 740 3936 CDD 0 0 0 6 74 242 386 339 165 33 1 0 1246 City:SALISBURY FAA ARPT State:MD Lat:38.20N Long:075.31W Elev: 50 ID:188005 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 26.7 28.4 35.3 43.0 52.6 61.9 67.6 65.9 59.0 46.4 38.2 30.6 46.3 Maximum 44.7 47.3 55.7 65.5 74.1 82.5 87.0 85.1 79.2 68.8 59.0 49.4 66.5 Mean 35.7 37.9 45.5 54.3 63.4 72.2 77.3 75.5 69.1 57.6 48.6 40.0 56.4 Precip. 4.09 3.56 4.62 3.41 3.87 3.57 4.54 4.99 3.73 3.64 3.30 3.72 47.04 HDD 908 761 605 325 104 7 0 0 23 255 492 774 4254 CDD 0 0 0 2 52 222 381 326 145 26 1 0 1155 City:SAVAGE RIVER DAM State:MD Lat:39.31N Long:079.08W Elev: 1495 ID:188065 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 18.9 20.2 27.6 36.6 46.4 55.0 59.8 58.3 51.7 40.0 32.3 24.1 39.2 Maximum 33.4 37.0 46.6 58.2 68.1 75.9 79.5 78.3 71.3 60.0 48.4 37.8 57.9 Mean 26.2 28.6 37.1 47.4 57.3 65.5 69.7 68.3 61.5 50.0 40.4 31.0 48.6 Precip. 2.89 2.47 3.28 3.38 4.24 3.67 4.19 3.37 3.48 2.81 3.00 2.74 39.52 HDD 1204 1018 864 528 261 63 17 30 128 466 741 1055 6375 CDD 0 0 0 0 20 75 162 133 23 1 0 0 414 City:SNOW HILL 4 N State:MD Lat:38.14N Long:075.23W Elev: 30 ID:188380 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 27.3 28.7 35.5 43.1 53.2 61.8 66.2 64.2 57.8 46.0 38.1 30.9 46.1 Maximum 46.7 49.2 57.5 67.8 76.3 84.0 87.7 86.3 81.4 70.8 60.7 51.1 68.3 Mean 37.0 39.0 46.5 55.5 64.8 72.9 77.0 75.3 69.6 58.4 49.4 41.0 57.2 Precip. 4.02 3.41 4.67 3.24 3.64 3.43 4.48 5.40 3.75 3.42 3.31 3.41 46.18 HDD 868 729 573 291 81 5 0 0 16 234 468 743 4008 CDD 0 0 0 4 74 242 371 318 155 29 1 0 1194 City:TOWSON State:MD Lat:39.23N Long:076.34W Elev: 390 ID:188877 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 24.8 26.4 33.2 43.2 52.8 62.2 67.2 65.9 59.1 46.8 37.4 29.4 45.7 Maximum 41.7 45.3 54.6 65.2 74.8 82.8 87.4 85.4 79.0 67.9 56.7 46.6 65.6 Mean 33.3 35.9 43.9 54.2 63.8 72.5 77.3 75.7 69.1 57.4 47.1 38.0 55.7 Precip. 3.92 3.41 4.62 3.82 5.57 4.10 4.54 4.67 4.87 4.08 4.01 3.92 51.53 HDD 985 815 655 330 107 6 0 0 28 261 540 837 4564 CDD 0 0 0 7 70 231 383 331 149 23 0 0 1194 City:UNIONVILLE State:MD Lat:39.27N Long:077.11W Elev: 430 ID:189030 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 20.3 22.2 29.9 37.9 47.8 57.0 61.9 59.7 52.8 40.8 32.2 24.6 40.6 Maximum 39.6 44.2 53.9 65.1 74.5 82.8 86.7 84.8 77.9 66.6 55.2 44.0 64.6 Mean 30.0 33.2 41.9 51.5 61.2 69.9 74.3 72.3 65.4 53.7 43.7 34.3 52.6 Precip. 3.37 2.52 3.63 3.38 4.16 4.31 3.53 3.22 3.87 3.49 3.63 3.19 42.30 HDD 1087 891 716 405 154 16 0 6 64 360 639 952 5290 CDD 0 0 0 0 36 164 288 231 75 9 0 0 803 City:UPPER MARLBORO 3 NNW State:MD Lat:38.52N Long:076.47W Elev: 100 ID:189070 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 22.4 24.8 32.5 41.4 51.1 60.0 64.7 62.8 55.4 42.4 34.7 26.8 43.3 Maximum 42.5 46.0 55.0 65.4 74.2 82.5 87.0 85.4 79.0 68.1 57.8 47.2 65.8 Mean 32.5 35.4 43.8 53.4 62.7 71.3 75.9 74.1 67.2 55.3 46.3 37.0 54.6 Precip. 3.49 2.76 3.90 3.28 4.31 3.83 4.11 3.90 4.00 3.66 3.25 3.20 43.69 HDD 1009 830 659 350 130 12 0 3 46 316 562 868 4785 CDD 0 0 0 2 56 198 336 285 111 14 0 0 1002 City:VIENNA State:MD Lat:38.29N Long:075.49W Elev: 10 ID:189140 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 27.1 28.8 36.0 44.3 53.8 62.5 67.4 65.6 58.9 47.4 39.0 31.1 46.8 Maximum 45.1 47.5 56.8 66.9 75.9 84.1 88.7 86.6 80.8 70.1 59.5 49.8 67.7 Mean 36.1 38.2 46.4 55.6 64.9 73.3 78.1 76.1 69.9 58.8 49.3 40.5 57.3 Precip. 3.74 3.33 4.07 3.33 3.52 3.72 3.86 4.37 3.52 3.14 3.12 3.28 43.00 HDD 896 752 578 286 75 6 0 0 17 227 474 762 4073 CDD 0 0 0 4 71 255 403 344 163 33 1 0 1274 City:WESTMINSTER POL BRKS State:MD Lat:39.33N Long:076.58W Elev: 765 ID:189440 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 23.0 25.1 32.2 41.3 51.2 59.7 64.3 62.8 55.9 44.9 36.2 27.7 43.7 Maximum 39.9 43.8 53.7 65.2 75.0 83.1 87.3 85.1 77.8 66.7 55.0 44.6 64.8 Mean 31.5 34.5 43.0 53.3 63.1 71.4 75.8 74.0 66.9 55.8 45.6 36.2 54.3 Precip. 3.15 2.37 3.56 3.29 4.57 3.56 3.71 3.64 4.02 3.66 3.24 3.21 41.98 HDD 1039 857 685 355 123 9 0 1 41 301 584 895 4890 CDD 0 0 0 3 64 201 335 279 97 16 0 0 995 City:WOODSTOCK State:MD Lat:39.20N Long:076.52W Elev: 460 ID:189750 Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Minimum 22.7 24.5 32.0 40.6 50.6 59.5 64.4 62.8 55.9 43.5 34.9 27.1 43.2 Maximum 41.6 45.6 55.2 66.5 76.1 83.8 87.9 85.8 78.8 67.9 56.5 46.0 66.0 Mean 32.2 35.1 43.6 53.6 63.4 71.7 76.2 74.3 67.4 55.7 45.7 36.6 54.6 Precip. 3.74 3.01 4.30 3.52 4.78 4.11 3.85 3.53 4.09 3.44 3.73 3.53 45.63 HDD 1019 838 664 346 114 8 0 1 37 302 579 882 4790 CDD 0 0 0 3 62 207 346 289 107 13 0 0 1027
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