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Monthly Climatological Summary for Sep 2012
Name: OFallon Weather City: OFallon State: MO
Elevation: 532 ft Lat: N 38° 50' 20" Lon: W 090° 43' 42"
Temperature (°F), Rain (in), Wind Speed (mph)
Heat Cool Avg
Mean Deg Deg Wind Dom
Day Temp High Time Low Time Days Days Rain Speed High Time Dir
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01 74.7 77.3 12:17 73.2 07:42 0.0 9.7 0.17 3.7 19.0 12:17 S
02 75.9 81.3 17:17 73.1 06:27 0.0 10.9 0.04 3.3 20.0 15:37 WNW
03 78.6 88.1 17:23 71.3 05:46 0.0 13.6 0.00 2.0 12.0 13:35 N
04 79.3 89.8 15:12 72.4 04:50 0.0 14.3 0.00 1.5 13.0 15:32 SW
05 74.6 85.3 17:39 66.7 10:28 0.0 9.6 0.21 2.0 24.0 08:30 SE
06 75.6 89.1 14:29 65.0 23:46 0.0 10.6 0.00 1.6 29.0 16:37 W
07 72.4 91.4 15:17 63.7 06:57 0.2 7.6 0.43 2.9 26.0 18:44 WNW
08 64.4 73.7 17:41 56.2 07:00 2.7 2.1 0.00 3.7 18.0 12:28 NW
09 64.7 73.8 16:56 55.9 06:55 2.8 2.5 0.00 3.2 17.0 03:13 N
10 65.8 79.2 16:35 51.7 06:58 3.8 4.6 0.00 0.9 13.0 12:50 SSE
11 70.9 84.2 15:50 55.1 06:56 1.7 7.6 0.00 3.7 18.0 16:16 S
12 72.4 83.9 15:07 57.5 06:46 1.2 8.6 0.00 3.6 19.0 12:01 S
13 68.2 84.9 13:34 58.5 23:45 1.8 5.0 0.00 3.0 22.0 17:15 N
14 60.0 68.6 16:54 54.4 05:08 5.5 0.5 0.23 2.5 13.0 12:54 NNE
15 61.0 68.8 14:15 53.5 06:25 4.9 0.9 0.00 0.7 11.0 11:54 ESE
16 64.6 74.0 16:42 56.2 00:00 2.6 2.3 0.00 0.7 7.0 16:17 SE
17 66.2 73.8 14:55 58.1 23:52 1.6 2.8 0.62 1.0 23.0 20:29 NNW
18 57.2 66.7 17:32 48.6 06:50 8.0 0.2 0.01 2.9 15.0 01:16 NW
19 61.1 75.2 16:32 44.8 04:54 6.6 2.7 0.00 4.8 22.0 14:44 S
20 66.5 76.6 15:57 54.8 23:38 1.8 3.3 0.00 3.2 19.0 13:51 WSW
21 66.9 82.9 16:58 53.4 03:33 3.7 5.6 0.00 4.1 22.0 17:10 WSW
22 58.4 66.7 16:25 47.7 23:56 6.7 0.2 0.00 3.4 20.0 09:54 NW
23 53.0 67.0 17:24 40.5 06:27 12.2 0.2 0.00 1.4 14.0 16:24 NW
24 56.8 71.6 15:54 40.4 05:27 9.4 1.3 0.00 3.2 18.0 10:17 S
25 67.6 79.9 14:18 58.7 00:00 1.4 4.0 1.56 3.4 25.0 21:55 S
26 68.0 75.8 13:50 63.7 05:07 0.2 3.2 0.18 1.9 13.0 00:02 SW
27 64.3 68.9 16:42 60.3 09:54 1.4 0.7 0.00 1.2 10.0 11:46 NE
28 61.7 70.6 14:11 52.8 23:58 4.3 1.0 0.03 1.4 11.0 12:14 NE
29 60.0 74.3 17:48 47.3 06:13 7.1 2.2 0.01 1.0 10.0 15:03 NNE
30 62.4 72.6 15:56 53.3 03:38 4.4 1.7 0.00 1.2 8.0 13:18 N
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66.4 91.4 7 40.4 24 96.0 139.5 3.49 2.4 29.0 6 WSW
Max >= 90.0 1
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.56 on day 25
Days of Rain: 11 (>= 0.01 in) 7 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration