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38.89511, -77.03637

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 38 3 53 12 45 7 0.11 undefined 38.52 undefined 19.9 0
2 37 3 53 11 45 7 0.22 undefined 38.63 undefined 20.1 0
3 37 3 52 11 45 7 0.34 undefined 38.75 undefined 20.4 0
4 37 3 52 11 44 7 0.45 undefined 38.86 undefined 20.7 0
5 37 3 52 11 44 7 0.57 undefined 38.98 undefined 20.9 0
6 36 2 51 11 44 7 0.69 undefined 39.1 undefined 21.2 0
7 36 2 51 11 44 6 0.8 undefined 39.21 undefined 21.4 0
8 36 2 51 10 43 6 0.92 undefined 39.33 undefined 21.7 0
9 36 2 50 10 43 6 1.04 undefined 39.45 undefined 21.9 0
10 36 2 50 10 43 6 1.16 undefined 39.57 undefined 22.2 0
11 35 2 50 10 43 6 1.28 undefined 39.69 undefined 22.4 0
12 35 2 50 10 42 6 1.4 undefined 39.81 undefined 22.6 0
13 35 2 49 10 42 6 1.51 undefined 39.92 undefined 22.8 0
14 35 2 49 10 42 6 1.63 undefined 40.04 undefined 23.1 0
15 35 1 49 9 42 5 1.74 undefined 40.15 undefined 23.3 0
16 34 1 49 9 42 5 1.85 undefined 40.26 undefined 23.5 0
17 34 1 48 9 41 5 1.96 undefined 40.37 undefined 23.7 0
18 34 1 48 9 41 5 2.08 undefined 40.49 undefined 23.9 0
19 34 1 48 9 41 5 2.19 undefined 40.6 undefined 24.1 0
20 34 1 48 9 41 5 2.29 undefined 40.7 undefined 24.3 0
21 34 1 47 9 41 5 2.4 undefined 40.81 undefined 24.5 0
22 33 1 47 8 40 5 2.51 undefined 40.92 undefined 24.7 0
23 33 1 47 8 40 5 2.62 undefined 41.03 undefined 24.9 0
24 33 1 47 8 40 4 2.72 undefined 41.13 undefined 25.1 0
25 33 0 47 8 40 4 2.82 undefined 41.23 undefined 25.3 0
26 33 0 47 8 40 4 2.92 undefined 41.33 undefined 25.5 0
27 32 0 46 8 39 4 3.02 undefined 41.43 undefined 25.6 0
28 32 0 46 8 39 4 3.12 undefined 41.53 undefined 25.8 0
29 32 0 46 8 39 4 3.22 undefined 41.63 undefined 26 0
30 32 0 46 8 39 4 3.32 undefined 41.73 undefined 26.1 0
31 32 0 46 8 39 4 3.41 undefined 41.82 undefined 26.3 0

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