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47.61038, -122.20068

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 38 4 48 9 43 6 0.19 undefined 32.46 undefined 21.6 0
2 38 3 48 9 43 6 0.37 undefined 32.64 undefined 21.8 0
3 38 3 48 9 43 6 0.56 undefined 32.83 undefined 22 0
4 38 3 48 9 43 6 0.74 undefined 33.01 undefined 22.2 0
5 38 3 48 9 43 6 0.92 undefined 33.19 undefined 22.3 0
6 38 3 47 9 43 6 1.11 undefined 33.38 undefined 22.5 0
7 38 3 47 9 42 6 1.3 undefined 33.57 undefined 22.6 0
8 37 3 47 8 42 6 1.47 undefined 33.74 undefined 22.8 0
9 37 3 47 8 42 6 1.65 undefined 33.92 undefined 22.9 0
10 37 3 47 8 42 6 1.83 undefined 34.1 undefined 23 0
11 37 3 47 8 42 6 2.01 undefined 34.28 undefined 23.1 0
12 37 3 47 8 42 5 2.19 undefined 34.46 undefined 23.3 0
13 37 3 46 8 42 5 2.37 undefined 34.64 undefined 23.4 0
14 37 3 46 8 42 5 2.54 undefined 34.81 undefined 23.4 0
15 37 3 46 8 42 5 2.72 undefined 34.99 undefined 23.5 0
16 37 3 46 8 41 5 2.9 undefined 35.17 undefined 23.6 0
17 37 3 46 8 41 5 3.07 undefined 35.34 undefined 23.7 0
18 37 3 46 8 41 5 3.25 undefined 35.52 undefined 23.7 0
19 37 3 46 8 41 5 3.42 undefined 35.69 undefined 23.8 0
20 37 3 46 8 41 5 3.6 undefined 35.87 undefined 23.8 0
21 37 3 46 8 41 5 3.78 undefined 36.05 undefined 23.8 0
22 37 3 46 8 41 5 3.96 undefined 36.23 undefined 23.8 0
23 37 3 46 8 41 5 4.14 undefined 36.41 undefined 23.9 0
24 37 3 46 8 41 5 4.32 undefined 36.59 undefined 23.9 0
25 37 3 46 8 41 5 4.5 undefined 36.77 undefined 23.8 0
26 37 3 46 8 41 5 4.68 undefined 36.95 undefined 23.8 0
27 37 3 46 8 41 5 4.86 undefined 37.13 undefined 23.8 0
28 37 3 46 8 41 5 5.03 undefined 37.3 undefined 23.8 0
29 37 3 46 8 41 5 5.2 undefined 37.47 undefined 23.7 0
30 37 3 46 8 41 5 5.38 undefined 37.65 undefined 23.7 0
31 37 3 46 8 41 5 5.55 undefined 37.82 undefined 23.6 0

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