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39.29038, -76.61219

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 70 21 87 31 79 26 0.11 3 28.41 722 0 14
2 70 21 87 31 78 26 0.23 6 28.53 725 0 13
3 70 21 87 30 78 26 0.35 9 28.65 728 0 13
4 69 21 87 30 78 26 0.46 12 28.76 731 0 13
5 69 21 86 30 78 25 0.56 14 28.86 733 0 13
6 69 20 86 30 77 25 0.66 17 28.96 736 0 12
7 68 20 86 30 77 25 0.75 19 29.05 738 0 12
8 68 20 85 30 77 25 0.86 22 29.16 741 0 12
9 68 20 85 29 76 25 0.96 24 29.26 743 0 11
10 67 20 85 29 76 24 1.06 27 29.36 746 0 11
11 67 19 84 29 76 24 1.18 30 29.48 749 0 11
12 67 19 84 29 75 24 1.29 33 29.59 752 0 10
13 66 19 84 29 75 24 1.43 36 29.73 755 0 10
14 66 19 83 28 75 24 1.57 40 29.87 759 0 10
15 66 19 83 28 74 24 1.71 43 30.01 762 0 9
16 65 19 83 28 74 23 1.84 47 30.14 766 0 9
17 65 18 82 28 74 23 1.99 51 30.29 769 0 9
18 65 18 82 28 73 23 2.13 54 30.43 773 0 8
19 64 18 81 27 73 23 2.27 58 30.57 776 0 8
20 64 18 81 27 72 22 2.41 61 30.71 780 0 8
21 63 17 81 27 72 22 2.55 65 30.85 784 0 7
22 63 17 80 27 72 22 2.69 68 30.99 787 1 7
23 63 17 80 27 71 22 2.82 72 31.12 790 1 7
24 62 17 79 26 71 22 2.95 75 31.25 794 1 6
25 62 17 79 26 70 21 3.08 78 31.38 797 1 6
26 62 16 79 26 70 21 3.22 82 31.52 801 1 6
27 61 16 78 26 70 21 3.35 85 31.65 804 1 6
28 61 16 78 25 69 21 3.48 88 31.78 807 1 5
29 60 16 77 25 69 21 3.62 92 31.92 811 1 5
30 60 16 77 25 69 20 3.76 96 32.06 814 2 5

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