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46.40834, -105.84056

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 52 11 82 28 67 20 0.03 undefined 10.32 undefined 2.4 4.7
2 52 11 82 28 67 19 0.07 undefined 10.36 undefined 2.6 4.4
3 52 11 81 27 67 19 0.1 undefined 10.39 undefined 2.7 4.2
4 51 11 81 27 66 19 0.13 undefined 10.42 undefined 2.9 4
5 51 10 81 27 66 19 0.17 undefined 10.46 undefined 3 3.8
6 51 10 80 27 65 19 0.2 undefined 10.49 undefined 3.2 3.6
7 50 10 80 27 65 18 0.24 undefined 10.53 undefined 3.4 3.4
8 50 10 79 26 65 18 0.27 undefined 10.56 undefined 3.7 3.2
9 49 10 79 26 64 18 0.3 undefined 10.59 undefined 3.9 3
10 49 9 78 26 64 18 0.34 undefined 10.63 undefined 4.1 2.8
11 49 9 78 26 63 17 0.37 undefined 10.66 undefined 4.4 2.7
12 48 9 78 25 63 17 0.41 undefined 10.7 undefined 4.6 2.5
13 48 9 77 25 63 17 0.44 undefined 10.73 undefined 4.8 2.3
14 48 9 77 25 62 17 0.48 undefined 10.77 undefined 5 2.1
15 47 8 76 25 62 16 0.51 undefined 10.8 undefined 5.2 1.9
16 47 8 76 24 61 16 0.54 undefined 10.83 undefined 5.5 1.7
17 46 8 75 24 61 16 0.58 undefined 10.87 undefined 5.8 1.6
18 46 8 75 24 60 16 0.61 undefined 10.9 undefined 6.2 1.5
19 46 8 74 23 60 16 0.65 undefined 10.94 undefined 6.5 1.4
20 45 7 74 23 59 15 0.69 undefined 10.98 undefined 6.9 1.3
21 45 7 73 23 59 15 0.73 undefined 11.02 undefined 7.2 1.2
22 45 7 73 23 59 15 0.77 undefined 11.06 undefined 7.5 1.1
23 44 7 72 22 58 15 0.81 undefined 11.1 undefined 7.9 1
24 44 7 72 22 58 14 0.85 undefined 11.14 undefined 8.3 0.8
25 43 6 71 22 57 14 0.89 undefined 11.18 undefined 8.7 0.8
26 43 6 70 21 57 14 0.92 undefined 11.21 undefined 9.1 0.7
27 43 6 70 21 56 13 0.96 undefined 11.25 undefined 9.5 0.7
28 42 6 69 21 56 13 1 undefined 11.29 undefined 10 0.6
29 42 5 69 20 55 13 1.04 undefined 11.33 undefined 10.5 0.6
30 41 5 68 20 55 13 1.07 undefined 11.36 undefined 10.9 0.6

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