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38.90122, -77.26526

Normals for May

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 47 8 69 21 58 14 0.13 undefined 13.26 undefined 7.8 0.8
2 47 9 69 21 58 15 0.27 undefined 13.4 undefined 7.5 0.8
3 48 9 69 21 59 15 0.4 undefined 13.53 undefined 7.3 0.8
4 48 9 70 21 59 15 0.54 undefined 13.67 undefined 7.1 0.9
5 49 9 70 21 59 15 0.69 undefined 13.82 undefined 6.9 0.9
6 49 9 70 21 59 15 0.82 undefined 13.95 undefined 6.7 1
7 49 10 70 21 60 15 0.95 undefined 14.08 undefined 6.5 1.1
8 50 10 70 21 60 15 1.08 undefined 14.21 undefined 6.3 1.1
9 50 10 70 21 60 16 1.22 undefined 14.35 undefined 6.1 1.2
10 50 10 70 21 60 16 1.36 undefined 14.49 undefined 5.9 1.3
11 51 10 71 21 61 16 1.5 undefined 14.63 undefined 5.8 1.4
12 51 11 71 22 61 16 1.65 undefined 14.78 undefined 5.7 1.5
13 51 11 71 22 61 16 1.79 undefined 14.92 undefined 5.5 1.6
14 52 11 71 22 61 16 1.94 undefined 15.07 undefined 5.4 1.7
15 52 11 71 22 62 16 2.08 undefined 15.21 undefined 5.2 1.8
16 52 11 71 22 62 17 2.22 undefined 15.35 undefined 5 1.9
17 53 11 72 22 62 17 2.36 undefined 15.49 undefined 4.9 1.9
18 53 12 72 22 62 17 2.51 undefined 15.64 undefined 4.7 2
19 53 12 72 22 63 17 2.65 undefined 15.78 undefined 4.5 2.1
20 54 12 72 22 63 17 2.79 undefined 15.92 undefined 4.4 2.2
21 54 12 72 22 63 17 2.93 undefined 16.06 undefined 4.2 2.3
22 54 12 73 23 63 17 3.07 undefined 16.2 undefined 4 2.4
23 54 12 73 23 64 18 3.21 undefined 16.34 undefined 3.9 2.5
24 55 13 73 23 64 18 3.35 undefined 16.48 undefined 3.7 2.6
25 55 13 73 23 64 18 3.49 undefined 16.62 undefined 3.6 2.7
26 55 13 74 23 64 18 3.62 undefined 16.75 undefined 3.4 2.8
27 56 13 74 23 65 18 3.75 undefined 16.88 undefined 3.2 2.9
28 56 13 74 23 65 18 3.88 undefined 17.01 undefined 3 2.9
29 56 13 74 24 65 18 4.02 undefined 17.15 undefined 2.8 3
30 56 14 75 24 66 19 4.15 undefined 17.28 undefined 2.6 3.1
31 57 14 75 24 66 19 4.28 undefined 17.41 undefined 2.5 3.3

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