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41.72059, -87.70172

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 30 -1 43 6 36 2 0.09 undefined 38.64 undefined 29 0
2 29 -2 42 6 36 2 0.17 undefined 38.72 undefined 29.3 0
3 29 -2 42 5 35 2 0.25 undefined 38.8 undefined 29.7 0
4 29 -2 41 5 35 2 0.33 undefined 38.88 undefined 30.1 0
5 28 -2 41 5 35 1 0.41 undefined 38.96 undefined 30.4 0
6 28 -2 41 5 34 1 0.49 undefined 39.04 undefined 30.7 0
7 28 -2 40 5 34 1 0.57 undefined 39.12 undefined 31.1 0
8 27 -3 40 4 34 1 0.65 undefined 39.2 undefined 31.4 0
9 27 -3 40 4 33 1 0.72 undefined 39.27 undefined 31.7 0
10 27 -3 39 4 33 1 0.8 undefined 39.35 undefined 32 0
11 27 -3 39 4 33 0 0.88 undefined 39.43 undefined 32.3 0
12 26 -3 39 4 32 0 0.95 undefined 39.5 undefined 32.6 0
13 26 -3 38 3 32 0 1.02 undefined 39.57 undefined 32.9 0
14 26 -3 38 3 32 0 1.09 undefined 39.64 undefined 33.2 0
15 25 -4 38 3 32 0 1.16 undefined 39.71 undefined 33.5 0
16 25 -4 37 3 31 0 1.23 undefined 39.78 undefined 33.7 0
17 25 -4 37 3 31 -1 1.3 undefined 39.85 undefined 34 0
18 25 -4 37 3 31 -1 1.37 undefined 39.92 undefined 34.3 0
19 24 -4 37 3 31 -1 1.44 undefined 39.99 undefined 34.5 0
20 24 -4 36 2 30 -1 1.51 undefined 40.06 undefined 34.8 0
21 24 -4 36 2 30 -1 1.59 undefined 40.14 undefined 35 0
22 24 -5 36 2 30 -1 1.66 undefined 40.21 undefined 35.2 0
23 23 -5 36 2 30 -1 1.73 undefined 40.28 undefined 35.5 0
24 23 -5 35 2 29 -1 1.81 undefined 40.36 undefined 35.7 0
25 23 -5 35 2 29 -2 1.88 undefined 40.43 undefined 35.9 0
26 23 -5 35 2 29 -2 1.95 undefined 40.5 undefined 36.1 0
27 23 -5 35 2 29 -2 2.03 undefined 40.58 undefined 36.3 0
28 22 -5 35 1 29 -2 2.1 undefined 40.65 undefined 36.5 0
29 22 -6 35 1 28 -2 2.18 undefined 40.73 undefined 36.7 0
30 22 -6 34 1 28 -2 2.25 undefined 40.8 undefined 36.9 0
31 22 -6 34 1 28 -2 2.33 undefined 40.88 undefined 37.1 0

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