City: DALECARLIA RSVR
State: MD
Lat: 38.9400
Long: -77.1131
Elev: 150 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 43.0 47.3 56.2 68.2 76.5 84.9 88.5 86.7 79.8 68.6 57.5 46.4 67.1
Mean 34.2 37.8 45.5 56.2 65.1 74.1 78.3 76.8 69.7 57.8 47.6 37.6 56.8
Minimum 25.4 28.2 34.7 44.1 53.6 63.4 68.1 66.9 59.6 47.1 37.7 28.7 46.6
CDD <0.5 <0.5 4 26 104 285 412 368 178 29 2 <0.5 1409
HDD 955 763 610 292 102 11 <0.5 2 37 251 524 851 4398
Precip 3.02 3.03 4 3.66 4.44 4.21 4.59 3.86 4.17 3.84 3.62 3.22 45.66
City: NATL ARBORETUM DC
State: MD
Lat: 38.9133
Long: -76.9700
Elev: 50 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 44.3 48.0 56.4 67.5 76.7 85.6 89.6 88.3 81.1 69.9 59.3 48.2 68.0
Mean 35.5 38.4 46.2 56.4 65.9 75.1 79.6 78.0 70.3 58.5 48.8 39.2 57.7
Minimum 26.7 28.8 36.0 45.3 55.1 64.7 69.6 67.7 59.4 47.0 38.3 30.1 47.5
CDD <0.5 <0.5 4 25 112 312 452 403 191 30 3 1 1533
HDD 914 745 587 283 84 7 <0.5 1 34 233 489 802 4178
Precip 3.09 2.9 3.72 3.51 4.28 4.08 4.32 3.41 3.76 3.79 3.47 3.2 43.53
Snow 4.6 3.1 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 1.5 10.6
City: WASHGTN DULLES INTL AP
State: VA
Lat: 38.9408
Long: -77.4636
Elev: 290 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 42.5 46.4 55.5 66.7 75.1 83.8 87.9 86.6 79.4 68.2 57.5 46.0 66.4
Mean 33.2 36.2 44.2 54.4 63.2 72.4 76.7 75.4 67.9 56.0 46.4 36.6 55.3
Minimum 23.9 26.0 32.9 42.1 51.2 61.0 65.5 64.2 56.3 43.8 35.3 27.1 44.2
CDD 0 <0.5 3 17 72 237 363 324 141 19 2 <0.5 1178
HDD 986 806 647 335 130 15 <0.5 2 56 298 560 882 4717
Precip 2.68 2.74 3.38 3.47 4.55 3.98 3.67 3.53 3.92 3.25 3.41 2.96 41.54
Snow 7.3 7.6 2.8 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.5 22.0
City: WASHINGTON REAGAN AP
State: VA
Lat: 38.8483
Long: -77.0342
Elev: 10 ft
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Maximum 43.4 47.1 55.9 66.6 75.4 84.2 88.4 86.5 79.5 68.4 57.9 46.8 66.8
Mean 36.0 39.0 46.8 56.8 66.0 75.2 79.8 78.1 71.0 59.5 49.6 39.7 58.2
Minimum 28.6 30.9 37.6 47.0 56.5 66.3 71.1 69.7 62.4 50.6 41.2 32.5 49.6
CDD <0.5 <0.5 2 24 108 314 457 406 202 34 2 <0.5 1550
HDD 899 728 568 270 79 6 <0.5 <0.5 24 205 466 786 4030
Precip 2.81 2.62 3.48 3.06 3.99 3.78 3.73 2.93 3.72 3.4 3.17 3.05 39.74
Snow 5.6 4.8 1.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 2.3 14.5
