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47.8601, -122.2043

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 37 3 46 8 42 5 0.16 undefined 29.01 undefined 23.3 0
2 37 3 46 8 42 5 0.32 undefined 29.17 undefined 23.5 0
3 37 3 46 8 41 5 0.48 undefined 29.33 undefined 23.7 0
4 37 3 46 8 41 5 0.64 undefined 29.49 undefined 23.8 0
5 37 3 45 7 41 5 0.79 undefined 29.64 undefined 24 0
6 37 3 45 7 41 5 0.95 undefined 29.8 undefined 24.1 0
7 36 2 45 7 41 5 1.1 undefined 29.95 undefined 24.3 0
8 36 2 45 7 41 5 1.25 undefined 30.1 undefined 24.4 0
9 36 2 45 7 41 5 1.4 undefined 30.25 undefined 24.5 0
10 36 2 45 7 40 5 1.55 undefined 30.4 undefined 24.6 0
11 36 2 45 7 40 5 1.7 undefined 30.55 undefined 24.7 0
12 36 2 45 7 40 5 1.85 undefined 30.7 undefined 24.8 0
13 36 2 44 7 40 5 2 undefined 30.85 undefined 24.9 0
14 36 2 44 7 40 4 2.15 undefined 31 undefined 25 0
15 36 2 44 7 40 4 2.29 undefined 31.14 undefined 25 0
16 36 2 44 7 40 4 2.44 undefined 31.29 undefined 25.1 0
17 36 2 44 7 40 4 2.58 undefined 31.43 undefined 25.1 0
18 36 2 44 7 40 4 2.71 undefined 31.56 undefined 25.1 0
19 36 2 44 7 40 4 2.85 undefined 31.7 undefined 25.2 0
20 36 2 44 7 40 4 2.99 undefined 31.84 undefined 25.2 0
21 36 2 44 7 40 4 3.13 undefined 31.98 undefined 25.2 0
22 36 2 44 7 40 4 3.27 undefined 32.12 undefined 25.2 0
23 36 2 44 7 40 4 3.41 undefined 32.26 undefined 25.2 0
24 36 2 44 7 40 4 3.56 undefined 32.41 undefined 25.1 0
25 36 2 44 7 40 4 3.7 undefined 32.55 undefined 25.1 0
26 36 2 44 7 40 4 3.84 undefined 32.69 undefined 25.1 0
27 36 2 44 7 40 4 3.98 undefined 32.83 undefined 25 0
28 36 2 44 7 40 4 4.12 undefined 32.97 undefined 25 0
29 36 2 44 7 40 5 4.25 undefined 33.1 undefined 24.9 0
30 36 2 44 7 40 5 4.39 undefined 33.24 undefined 24.9 0
31 36 2 45 7 40 5 4.52 undefined 33.37 undefined 24.8 0

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