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45.49818, -122.43148

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 55 13 80 27 68 20 0.03 undefined 22.94 undefined 0.9 3.5
2 55 13 80 27 68 20 0.06 undefined 22.97 undefined 1 3.4
3 55 13 80 27 67 20 0.09 undefined 23 undefined 1 3.3
4 55 13 80 27 67 20 0.14 undefined 23.05 undefined 1.1 3.2
5 54 12 80 26 67 19 0.18 undefined 23.09 undefined 1.2 3.1
6 54 12 79 26 67 19 0.22 undefined 23.13 undefined 1.3 3
7 54 12 79 26 67 19 0.26 undefined 23.17 undefined 1.4 2.9
8 54 12 79 26 66 19 0.31 undefined 23.22 undefined 1.4 2.8
9 54 12 79 26 66 19 0.35 undefined 23.26 undefined 1.5 2.7
10 54 12 78 26 66 19 0.4 undefined 23.31 undefined 1.6 2.5
11 53 12 78 26 66 19 0.45 undefined 23.36 undefined 1.6 2.3
12 53 12 78 25 66 19 0.5 undefined 23.41 undefined 1.7 2.2
13 53 12 78 25 65 19 0.55 undefined 23.46 undefined 1.8 2.1
14 53 12 77 25 65 18 0.6 undefined 23.51 undefined 1.9 1.9
15 53 11 77 25 65 18 0.65 undefined 23.56 undefined 2.1 1.8
16 52 11 77 25 65 18 0.71 undefined 23.62 undefined 2.2 1.7
17 52 11 76 25 64 18 0.77 undefined 23.68 undefined 2.4 1.6
18 52 11 76 24 64 18 0.83 undefined 23.74 undefined 2.5 1.5
19 52 11 76 24 64 18 0.89 undefined 23.8 undefined 2.7 1.4
20 52 11 75 24 63 17 0.96 undefined 23.87 undefined 2.9 1.3
21 51 11 75 24 63 17 1.03 undefined 23.94 undefined 3.1 1.2
22 51 11 75 24 63 17 1.09 undefined 24 undefined 3.3 1.1
23 51 11 74 23 63 17 1.16 undefined 24.07 undefined 3.5 1
24 51 10 74 23 62 17 1.23 undefined 24.14 undefined 3.7 0.9
25 51 10 73 23 62 17 1.31 undefined 24.22 undefined 4 0.9
26 50 10 73 23 62 16 1.39 undefined 24.3 undefined 4.2 0.8
27 50 10 72 22 61 16 1.48 undefined 24.39 undefined 4.5 0.8
28 50 10 72 22 61 16 1.56 undefined 24.47 undefined 4.7 0.7
29 50 10 72 22 61 16 1.66 undefined 24.57 undefined 5 0.6
30 50 10 71 22 60 16 1.75 undefined 24.66 undefined 5.2 0.6

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