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40.2737, -76.88442

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 30 -1 45 7 37 3 0.11 undefined 41.92 undefined 27.6 0
2 30 -1 45 7 37 3 0.22 undefined 42.03 undefined 27.9 0
3 29 -1 44 7 37 3 0.34 undefined 42.15 undefined 28.1 0
4 29 -2 44 7 37 3 0.45 undefined 42.26 undefined 28.4 0
5 29 -2 44 6 36 2 0.57 undefined 42.38 undefined 28.7 0
6 29 -2 43 6 36 2 0.68 undefined 42.49 undefined 29 0
7 29 -2 43 6 36 2 0.8 undefined 42.61 undefined 29.3 0
8 28 -2 43 6 36 2 0.91 undefined 42.72 undefined 29.5 0
9 28 -2 42 6 35 2 1.02 undefined 42.83 undefined 29.8 0
10 28 -2 42 6 35 2 1.14 undefined 42.95 undefined 30 0
11 28 -2 42 5 35 2 1.26 undefined 43.07 undefined 30.3 0
12 27 -3 42 5 35 1 1.37 undefined 43.18 undefined 30.5 0
13 27 -3 41 5 34 1 1.49 undefined 43.3 undefined 30.8 0
14 27 -3 41 5 34 1 1.61 undefined 43.42 undefined 31 0
15 27 -3 41 5 34 1 1.72 undefined 43.53 undefined 31.2 0
16 27 -3 41 5 34 1 1.84 undefined 43.65 undefined 31.4 0
17 26 -3 40 5 33 1 1.95 undefined 43.76 undefined 31.7 0
18 26 -3 40 4 33 1 2.05 undefined 43.86 undefined 31.9 0
19 26 -3 40 4 33 1 2.17 undefined 43.98 undefined 32.1 0
20 26 -3 40 4 33 0 2.28 undefined 44.09 undefined 32.3 0
21 26 -4 39 4 33 0 2.39 undefined 44.2 undefined 32.5 0
22 25 -4 39 4 32 0 2.5 undefined 44.31 undefined 32.7 0
23 25 -4 39 4 32 0 2.61 undefined 44.42 undefined 32.9 0
24 25 -4 39 4 32 0 2.71 undefined 44.52 undefined 33.1 0
25 25 -4 39 4 32 0 2.82 undefined 44.63 undefined 33.2 0
26 25 -4 39 4 32 0 2.93 undefined 44.74 undefined 33.4 0
27 25 -4 38 4 31 0 3.02 undefined 44.83 undefined 33.6 0
28 24 -4 38 3 31 0 3.13 undefined 44.94 undefined 33.8 0
29 24 -4 38 3 31 0 3.23 undefined 45.04 undefined 33.9 0
30 24 -4 38 3 31 -1 3.33 undefined 45.14 undefined 34.1 0
31 24 -5 38 3 31 -1 3.42 undefined 45.23 undefined 34.2 0

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