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40.28592, -76.65025

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 32 0 48 9 40 4 0.11 undefined 40.91 undefined 25.3 0
2 31 0 47 9 39 4 0.23 undefined 41.03 undefined 25.6 0
3 31 0 47 8 39 4 0.35 undefined 41.15 undefined 25.9 0
4 31 -1 47 8 39 4 0.47 undefined 41.27 undefined 26.2 0
5 31 -1 46 8 39 4 0.6 undefined 41.4 undefined 26.5 0
6 30 -1 46 8 38 3 0.72 undefined 41.52 undefined 26.8 0
7 30 -1 46 8 38 3 0.84 undefined 41.64 undefined 27.1 0
8 30 -1 45 7 38 3 0.95 undefined 41.75 undefined 27.4 0
9 30 -1 45 7 37 3 1.07 undefined 41.87 undefined 27.6 0
10 30 -1 45 7 37 3 1.19 undefined 41.99 undefined 27.9 0
11 29 -2 44 7 37 3 1.31 undefined 42.11 undefined 28.2 0
12 29 -2 44 7 37 3 1.43 undefined 42.23 undefined 28.4 0
13 29 -2 44 7 36 2 1.54 undefined 42.34 undefined 28.7 0
14 29 -2 44 6 36 2 1.65 undefined 42.45 undefined 28.9 0
15 28 -2 43 6 36 2 1.77 undefined 42.57 undefined 29.2 0
16 28 -2 43 6 36 2 1.88 undefined 42.68 undefined 29.4 0
17 28 -2 43 6 35 2 1.98 undefined 42.78 undefined 29.7 0
18 28 -2 43 6 35 2 2.09 undefined 42.89 undefined 29.9 0
19 28 -2 42 6 35 2 2.2 undefined 43 undefined 30.1 0
20 27 -3 42 6 35 2 2.31 undefined 43.11 undefined 30.3 0
21 27 -3 42 5 34 1 2.41 undefined 43.21 undefined 30.6 0
22 27 -3 42 5 34 1 2.52 undefined 43.32 undefined 30.8 0
23 27 -3 41 5 34 1 2.63 undefined 43.43 undefined 31 0
24 26 -3 41 5 34 1 2.73 undefined 43.53 undefined 31.2 0
25 26 -3 41 5 34 1 2.84 undefined 43.64 undefined 31.4 0
26 26 -3 41 5 33 1 2.94 undefined 43.74 undefined 31.6 0
27 26 -3 41 5 33 1 3.04 undefined 43.84 undefined 31.8 0
28 26 -4 40 5 33 1 3.14 undefined 43.94 undefined 32 0
29 25 -4 40 5 33 0 3.24 undefined 44.04 undefined 32.2 0
30 25 -4 40 4 33 0 3.34 undefined 44.14 undefined 32.4 0
31 25 -4 40 4 32 0 3.43 undefined 44.23 undefined 32.6 0

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