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39.97815, -76.79719

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 29 -2 49 10 39 4 0.12 undefined 43.06 undefined 25.8 0
2 29 -2 49 9 39 4 0.25 undefined 43.19 undefined 26.1 0
3 29 -2 48 9 39 4 0.38 undefined 43.32 undefined 26.4 0
4 29 -2 48 9 38 4 0.51 undefined 43.45 undefined 26.7 0
5 28 -2 48 9 38 3 0.65 undefined 43.59 undefined 27 0
6 28 -2 47 9 38 3 0.78 undefined 43.72 undefined 27.2 0
7 28 -2 47 8 38 3 0.9 undefined 43.84 undefined 27.5 0
8 28 -2 47 8 37 3 1.03 undefined 43.97 undefined 27.8 0
9 28 -2 47 8 37 3 1.15 undefined 44.09 undefined 28 0
10 27 -3 46 8 37 3 1.28 undefined 44.22 undefined 28.3 0
11 27 -3 46 8 37 3 1.4 undefined 44.34 undefined 28.5 0
12 27 -3 46 8 36 2 1.53 undefined 44.47 undefined 28.8 0
13 27 -3 45 7 36 2 1.64 undefined 44.58 undefined 29 0
14 27 -3 45 7 36 2 1.75 undefined 44.69 undefined 29.2 0
15 26 -3 45 7 36 2 1.87 undefined 44.81 undefined 29.5 0
16 26 -3 45 7 35 2 1.98 undefined 44.92 undefined 29.7 0
17 26 -3 44 7 35 2 2.09 undefined 45.03 undefined 29.9 0
18 26 -3 44 7 35 2 2.2 undefined 45.14 undefined 30.1 0
19 26 -4 44 7 35 2 2.31 undefined 45.25 undefined 30.3 0
20 25 -4 44 7 35 1 2.42 undefined 45.36 undefined 30.5 0
21 25 -4 44 6 34 1 2.53 undefined 45.47 undefined 30.7 0
22 25 -4 43 6 34 1 2.63 undefined 45.57 undefined 30.9 0
23 25 -4 43 6 34 1 2.74 undefined 45.68 undefined 31.1 0
24 25 -4 43 6 34 1 2.85 undefined 45.79 undefined 31.3 0
25 24 -4 43 6 34 1 2.95 undefined 45.89 undefined 31.5 0
26 24 -4 43 6 33 1 3.05 undefined 45.99 undefined 31.7 0
27 24 -4 42 6 33 1 3.15 undefined 46.09 undefined 31.9 0
28 24 -5 42 6 33 1 3.24 undefined 46.18 undefined 32 0
29 24 -5 42 6 33 0 3.34 undefined 46.28 undefined 32.2 0
30 23 -5 42 6 33 0 3.43 undefined 46.37 undefined 32.3 0
31 23 -5 42 6 33 0 3.52 undefined 46.46 undefined 32.5 0

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