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38.80484, -77.04692

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 34 1 52 11 43 6 0.11 undefined 43.17 undefined 21.8 0
2 34 1 52 11 43 6 0.23 undefined 43.29 undefined 22.1 0
3 34 1 51 11 43 6 0.35 undefined 43.41 undefined 22.4 0
4 34 1 51 11 42 6 0.47 undefined 43.53 undefined 22.7 0
5 34 1 51 10 42 6 0.59 undefined 43.65 undefined 22.9 0
6 33 1 50 10 42 5 0.71 undefined 43.77 undefined 23.2 0
7 33 1 50 10 42 5 0.83 undefined 43.89 undefined 23.5 0
8 33 0 50 10 41 5 0.95 undefined 44.01 undefined 23.7 0
9 33 0 50 10 41 5 1.07 undefined 44.13 undefined 24 0
10 32 0 49 10 41 5 1.19 undefined 44.25 undefined 24.2 0
11 32 0 49 9 41 5 1.32 undefined 44.38 undefined 24.5 0
12 32 0 49 9 40 5 1.45 undefined 44.51 undefined 24.7 0
13 32 0 48 9 40 4 1.58 undefined 44.64 undefined 25 0
14 32 0 48 9 40 4 1.71 undefined 44.77 undefined 25.2 0
15 31 0 48 9 40 4 1.85 undefined 44.91 undefined 25.4 0
16 31 0 48 9 39 4 1.98 undefined 45.04 undefined 25.6 0
17 31 -1 47 9 39 4 2.11 undefined 45.17 undefined 25.9 0
18 31 -1 47 8 39 4 2.23 undefined 45.29 undefined 26.1 0
19 31 -1 47 8 39 4 2.37 undefined 45.43 undefined 26.3 0
20 30 -1 47 8 39 4 2.5 undefined 45.56 undefined 26.5 0
21 30 -1 46 8 38 4 2.63 undefined 45.69 undefined 26.7 0
22 30 -1 46 8 38 3 2.75 undefined 45.81 undefined 26.9 0
23 30 -1 46 8 38 3 2.86 undefined 45.92 undefined 27.1 0
24 30 -1 46 8 38 3 2.98 undefined 46.04 undefined 27.2 0
25 30 -1 46 8 38 3 3.09 undefined 46.15 undefined 27.4 0
26 30 -1 45 7 37 3 3.2 undefined 46.26 undefined 27.6 0
27 29 -1 45 7 37 3 3.31 undefined 46.37 undefined 27.8 0
28 29 -2 45 7 37 3 3.42 undefined 46.48 undefined 27.9 0
29 29 -2 45 7 37 3 3.53 undefined 46.59 undefined 28.1 0
30 29 -2 45 7 37 3 3.64 undefined 46.7 undefined 28.2 0
31 29 -2 45 7 37 3 3.75 undefined 46.81 undefined 28.4 0

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