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48.77475, -104.56246

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 46 8 78 25 62 17 0.04 undefined 11.51 undefined 5.1 1.8
2 45 7 77 25 61 16 0.09 undefined 11.56 undefined 5.4 1.7
3 45 7 77 25 61 16 0.13 undefined 11.6 undefined 5.7 1.6
4 45 7 77 25 61 16 0.17 undefined 11.64 undefined 5.9 1.5
5 44 7 76 25 60 16 0.22 undefined 11.69 undefined 6.2 1.4
6 44 7 76 24 60 15 0.27 undefined 11.74 undefined 6.5 1.3
7 43 6 75 24 59 15 0.31 undefined 11.78 undefined 6.8 1.2
8 43 6 75 24 59 15 0.35 undefined 11.82 undefined 7.1 1.1
9 43 6 75 24 59 15 0.4 undefined 11.87 undefined 7.4 1
10 42 6 74 23 58 15 0.44 undefined 11.91 undefined 7.8 0.9
11 42 5 74 23 58 14 0.49 undefined 11.96 undefined 8.1 0.8
12 41 5 73 23 57 14 0.53 undefined 12 undefined 8.5 0.8
13 41 5 73 23 57 14 0.57 undefined 12.04 undefined 8.8 0.7
14 41 5 72 22 57 14 0.61 undefined 12.08 undefined 9.2 0.6
15 40 5 72 22 56 13 0.65 undefined 12.12 undefined 9.5 0.5
16 40 4 72 22 56 13 0.69 undefined 12.16 undefined 9.9 0.5
17 39 4 71 22 55 13 0.73 undefined 12.2 undefined 10.2 0.4
18 39 4 71 21 55 13 0.78 undefined 12.25 undefined 10.6 0.3
19 39 4 70 21 54 12 0.82 undefined 12.29 undefined 11 0.3
20 38 3 70 21 54 12 0.86 undefined 12.33 undefined 11.5 0.3
21 38 3 69 21 53 12 0.91 undefined 12.38 undefined 11.9 0.3
22 37 3 69 20 53 12 0.95 undefined 12.42 undefined 12.3 0.3
23 37 3 68 20 53 11 0.99 undefined 12.46 undefined 12.7 0.2
24 37 3 68 20 52 11 1.03 undefined 12.5 undefined 13.1 0.2
25 36 2 67 20 52 11 1.07 undefined 12.54 undefined 13.6 0.2
26 36 2 67 19 51 11 1.11 undefined 12.58 undefined 14 0.1
27 35 2 66 19 51 10 1.15 undefined 12.62 undefined 14.5 0.1
28 35 2 66 19 50 10 1.18 undefined 12.65 undefined 14.9 0.1
29 35 1 65 18 50 10 1.22 undefined 12.69 undefined 15.4 0.1
30 34 1 64 18 49 10 1.26 undefined 12.73 undefined 15.9 0.1

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