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47.48288, -122.21707

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 38 3 49 9 43 6 0.15 undefined 30.31 undefined 21.9 0
2 38 3 48 9 43 6 0.31 undefined 30.47 undefined 22 0
3 37 3 48 9 43 6 0.46 undefined 30.62 undefined 22.2 0
4 37 3 48 9 43 6 0.61 undefined 30.77 undefined 22.4 0
5 37 3 48 9 43 6 0.76 undefined 30.92 undefined 22.5 0
6 37 3 48 9 42 6 0.91 undefined 31.07 undefined 22.6 0
7 37 3 48 9 42 6 1.06 undefined 31.22 undefined 22.8 0
8 37 3 47 9 42 6 1.2 undefined 31.36 undefined 22.9 0
9 37 3 47 9 42 6 1.35 undefined 31.51 undefined 23 0
10 37 3 47 8 42 6 1.5 undefined 31.66 undefined 23.1 0
11 37 3 47 8 42 5 1.64 undefined 31.8 undefined 23.2 0
12 37 3 47 8 42 5 1.79 undefined 31.95 undefined 23.3 0
13 36 2 47 8 42 5 1.93 undefined 32.09 undefined 23.4 0
14 36 2 47 8 42 5 2.07 undefined 32.23 undefined 23.4 0
15 36 2 47 8 42 5 2.21 undefined 32.37 undefined 23.5 0
16 36 2 47 8 42 5 2.35 undefined 32.51 undefined 23.5 0
17 36 2 47 8 41 5 2.49 undefined 32.65 undefined 23.6 0
18 36 2 47 8 41 5 2.63 undefined 32.79 undefined 23.6 0
19 36 2 47 8 41 5 2.77 undefined 32.93 undefined 23.6 0
20 36 2 46 8 41 5 2.91 undefined 33.07 undefined 23.7 0
21 36 2 46 8 41 5 3.06 undefined 33.22 undefined 23.7 0
22 36 2 46 8 41 5 3.21 undefined 33.37 undefined 23.7 0
23 36 2 46 8 41 5 3.35 undefined 33.51 undefined 23.6 0
24 36 2 47 8 41 5 3.51 undefined 33.67 undefined 23.6 0
25 36 2 47 8 41 5 3.66 undefined 33.82 undefined 23.6 0
26 36 2 47 8 41 5 3.81 undefined 33.97 undefined 23.6 0
27 36 2 47 8 42 5 3.95 undefined 34.11 undefined 23.5 0
28 36 2 47 8 42 5 4.1 undefined 34.26 undefined 23.5 0
29 37 3 47 8 42 5 4.24 undefined 34.4 undefined 23.4 0
30 37 3 47 8 42 5 4.39 undefined 34.55 undefined 23.4 0
31 37 3 47 8 42 5 4.53 undefined 34.69 undefined 23.3 0

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