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47.71668, -104.15633

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 51 10 82 28 66 19 0.05 undefined 11.75 undefined 2.5 3.6
2 50 10 82 28 66 19 0.11 undefined 11.81 undefined 2.6 3.4
3 50 10 81 27 65 19 0.16 undefined 11.86 undefined 2.8 3.2
4 49 10 81 27 65 18 0.22 undefined 11.92 undefined 3 3
5 49 10 80 27 65 18 0.28 undefined 11.98 undefined 3.1 2.8
6 49 9 80 27 64 18 0.34 undefined 12.04 undefined 3.3 2.7
7 48 9 80 26 64 18 0.4 undefined 12.1 undefined 3.5 2.5
8 48 9 79 26 64 18 0.46 undefined 12.16 undefined 3.7 2.3
9 48 9 79 26 63 17 0.53 undefined 12.23 undefined 4 2.2
10 47 9 78 26 63 17 0.59 undefined 12.29 undefined 4.2 2.1
11 47 8 78 26 63 17 0.65 undefined 12.35 undefined 4.5 2
12 47 8 78 25 62 17 0.7 undefined 12.4 undefined 4.7 1.8
13 46 8 77 25 62 17 0.75 undefined 12.45 undefined 5 1.7
14 46 8 77 25 61 16 0.8 undefined 12.5 undefined 5.2 1.6
15 46 8 76 25 61 16 0.86 undefined 12.56 undefined 5.5 1.4
16 45 7 76 24 61 16 0.91 undefined 12.61 undefined 5.7 1.3
17 45 7 75 24 60 16 0.95 undefined 12.65 undefined 6 1.2
18 45 7 75 24 60 15 1.01 undefined 12.71 undefined 6.3 1.1
19 44 7 75 24 59 15 1.06 undefined 12.76 undefined 6.7 1.1
20 44 7 74 23 59 15 1.11 undefined 12.81 undefined 7 1
21 44 6 74 23 59 15 1.16 undefined 12.86 undefined 7.4 1
22 43 6 73 23 58 15 1.22 undefined 12.92 undefined 7.7 0.9
23 43 6 73 23 58 14 1.27 undefined 12.97 undefined 8.1 0.8
24 43 6 72 22 57 14 1.32 undefined 13.02 undefined 8.4 0.7
25 42 6 72 22 57 14 1.37 undefined 13.07 undefined 8.8 0.7
26 42 5 71 22 57 14 1.42 undefined 13.12 undefined 9.1 0.6
27 42 5 71 21 56 13 1.47 undefined 13.17 undefined 9.5 0.5
28 41 5 70 21 56 13 1.52 undefined 13.22 undefined 10 0.5
29 41 5 70 21 55 13 1.57 undefined 13.27 undefined 10.4 0.5
30 40 5 69 21 55 13 1.62 undefined 13.32 undefined 10.8 0.5

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