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41.7282, -122.5278

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 49 10 89 32 69 21 0 undefined 7.27 undefined 0.8 5
2 49 10 89 32 69 21 0 undefined 7.27 undefined 0.8 4.9
3 49 9 89 32 69 20 0.01 undefined 7.28 undefined 0.9 4.7
4 49 9 88 31 69 20 0.01 undefined 7.28 undefined 1 4.6
5 48 9 88 31 68 20 0.01 undefined 7.28 undefined 1.1 4.4
6 48 9 88 31 68 20 0.01 undefined 7.28 undefined 1.2 4.2
7 48 9 88 31 68 20 0.01 undefined 7.28 undefined 1.3 4.1
8 48 9 87 31 68 20 0.02 undefined 7.29 undefined 1.4 3.9
9 47 9 87 31 67 20 0.02 undefined 7.29 undefined 1.5 3.8
10 47 8 87 30 67 19 0.02 undefined 7.29 undefined 1.7 3.6
11 47 8 86 30 67 19 0.03 undefined 7.3 undefined 1.8 3.5
12 47 8 86 30 66 19 0.04 undefined 7.31 undefined 2 3.3
13 46 8 86 30 66 19 0.05 undefined 7.32 undefined 2.1 3.1
14 46 8 85 30 66 19 0.06 undefined 7.33 undefined 2.2 2.9
15 46 8 85 29 65 19 0.07 undefined 7.34 undefined 2.4 2.8
16 45 7 85 29 65 18 0.07 undefined 7.34 undefined 2.6 2.6
17 45 7 84 29 65 18 0.08 undefined 7.35 undefined 2.8 2.4
18 45 7 84 29 64 18 0.09 undefined 7.36 undefined 3 2.3
19 45 7 83 29 64 18 0.11 undefined 7.38 undefined 3.1 2.1
20 44 7 83 28 64 18 0.12 undefined 7.39 undefined 3.3 1.9
21 44 7 83 28 63 17 0.13 undefined 7.4 undefined 3.6 1.8
22 44 6 82 28 63 17 0.15 undefined 7.42 undefined 3.8 1.6
23 43 6 82 28 62 17 0.16 undefined 7.43 undefined 4.1 1.5
24 43 6 81 27 62 17 0.17 undefined 7.44 undefined 4.4 1.4
25 43 6 81 27 62 16 0.19 undefined 7.46 undefined 4.7 1.3
26 42 6 80 27 61 16 0.2 undefined 7.47 undefined 5 1.2
27 42 6 80 27 61 16 0.22 undefined 7.49 undefined 5.3 1.1
28 42 5 79 26 60 16 0.23 undefined 7.5 undefined 5.6 0.9
29 41 5 79 26 60 16 0.25 undefined 7.52 undefined 5.9 0.8
30 41 5 78 26 60 15 0.27 undefined 7.54 undefined 6.2 0.7

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