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47.64454, -122.69487

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 54 12 76 24 65 18 0.04 undefined 31.27 undefined 2.1 1.6
2 53 12 75 24 64 18 0.08 undefined 31.31 undefined 2.2 1.6
3 53 12 75 24 64 18 0.12 undefined 31.35 undefined 2.3 1.5
4 53 12 75 24 64 18 0.16 undefined 31.39 undefined 2.4 1.4
5 53 12 75 24 64 18 0.21 undefined 31.44 undefined 2.5 1.4
6 53 12 75 24 64 18 0.25 undefined 31.48 undefined 2.6 1.3
7 53 12 74 24 64 18 0.29 undefined 31.52 undefined 2.7 1.2
8 53 11 74 23 63 17 0.33 undefined 31.56 undefined 2.8 1.2
9 52 11 74 23 63 17 0.38 undefined 31.61 undefined 3 1.1
10 52 11 74 23 63 17 0.42 undefined 31.65 undefined 3.1 1
11 52 11 74 23 63 17 0.47 undefined 31.7 undefined 3.2 1
12 52 11 73 23 63 17 0.53 undefined 31.76 undefined 3.4 0.9
13 52 11 73 23 62 17 0.58 undefined 31.81 undefined 3.5 0.8
14 52 11 73 23 62 17 0.63 undefined 31.86 undefined 3.7 0.7
15 51 11 72 22 62 17 0.69 undefined 31.92 undefined 3.8 0.7
16 51 11 72 22 62 16 0.74 undefined 31.97 undefined 4 0.6
17 51 11 72 22 61 16 0.8 undefined 32.03 undefined 4.2 0.6
18 51 10 72 22 61 16 0.87 undefined 32.1 undefined 4.4 0.6
19 51 10 71 22 61 16 0.93 undefined 32.16 undefined 4.7 0.5
20 50 10 71 22 61 16 1 undefined 32.23 undefined 4.9 0.5
21 50 10 71 21 60 16 1.06 undefined 32.29 undefined 5.1 0.4
22 50 10 70 21 60 16 1.13 undefined 32.36 undefined 5.3 0.4
23 50 10 70 21 60 15 1.21 undefined 32.44 undefined 5.6 0.3
24 50 10 69 21 60 15 1.28 undefined 32.51 undefined 5.8 0.3
25 49 10 69 21 59 15 1.36 undefined 32.59 undefined 6.1 0.3
26 49 10 69 20 59 15 1.45 undefined 32.68 undefined 6.4 0.2
27 49 9 68 20 59 15 1.53 undefined 32.76 undefined 6.6 0.2
28 49 9 68 20 58 15 1.62 undefined 32.85 undefined 6.9 0.2
29 48 9 68 20 58 14 1.71 undefined 32.94 undefined 7.2 0.2
30 48 9 67 20 58 14 1.8 undefined 33.03 undefined 7.5 0.1

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