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Monthly Climatological Summary for Aug 2023
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 75.7 84.4 16:51 69.0 08:41 0.0 10.7 0.02 2.6 14.0 14:14 SSE
02 74.4 81.1 15:11 69.9 08:46 0.0 9.4 1.70 2.7 14.0 07:05 SSE
03 75.2 81.1 18:56 70.3 05:41 0.0 10.2 0.07 1.2 9.0 13:04 SSE
04 78.8 86.9 15:03 74.2 05:25 0.0 13.8 0.34 2.1 12.0 23:46 SSE
05 76.2 84.5 14:19 69.3 03:38 0.0 11.2 1.92 4.0 23.0 14:40 W
06 76.2 88.3 15:33 66.0 06:22 0.0 11.2 0.00 2.7 17.0 12:34 SW
07 74.8 82.5 16:49 68.0 09:13 0.0 9.8 0.04 4.4 19.0 06:53 WNW
08 75.1 86.6 17:31 64.5 06:02 0.0 10.1 0.00 1.7 12.0 11:24 WSW
09 71.8 77.9 16:29 67.9 06:16 0.0 6.8 0.38 1.1 13.0 10:45 SSW
10 76.1 88.7 16:49 65.8 06:39 0.0 11.1 0.00 1.6 11.0 13:06 W
11 80.8 92.7 15:29 68.8 03:00 0.0 15.8 0.00 2.9 13.0 07:23 SW
12 78.7 90.0 17:24 67.7 05:01 0.0 13.7 0.55 4.1 39.0 04:27 WNW
13 72.1 81.2 12:21 65.3 05:56 0.0 7.1 0.38 1.1 11.0 12:13 ESE
14 73.5 80.7 16:37 66.1 23:46 0.0 8.5 0.30 4.8 22.0 16:23 WNW
15 68.6 75.7 16:41 62.1 23:59 0.2 3.8 0.00 3.0 14.0 04:58 NW
16 70.3 82.5 16:33 57.3 06:26 1.8 7.1 0.00 1.8 11.0 13:44 SW
17 72.7 85.2 16:10 61.9 23:59 0.3 8.0 0.00 3.9 19.0 09:43 W
18 69.8 82.7 16:34 56.8 06:26 2.0 6.8 0.00 1.4 10.0 16:59 ENE
19 76.4 90.1 16:27 61.7 06:27 0.4 11.8 0.00 3.6 18.0 18:05 S
20 85.4 101.5 16:16 71.9 06:42 0.0 20.5 0.00 2.1 10.0 11:18 S
21 84.1 94.3 16:16 77.6 06:28 0.0 19.1 0.00 2.0 11.0 17:24 NNE
22 86.1 96.6 17:09 77.7 05:51 0.0 21.1 0.00 1.1 7.0 08:29 ENE
23 87.1 96.3 15:44 79.3 04:49 0.0 22.1 0.00 2.6 13.0 15:06 SW
24 88.5 100.1 15:41 79.3 06:45 0.0 23.5 0.00 3.3 14.0 10:58 WSW
25 89.1 101.1 16:31 78.3 05:38 0.0 24.1 0.00 2.7 13.0 09:26 W
26 75.9 81.9 00:00 71.7 12:09 0.0 10.9 1.12 2.3 17.0 13:16 NNW
27 69.1 72.2 17:34 66.3 07:11 0.0 4.1 0.00 3.1 12.0 08:03 NNE
28 71.7 82.4 16:44 62.4 06:54 0.2 7.0 0.00 1.9 14.0 11:59 NNE
29 72.8 86.2 16:01 59.5 06:16 1.2 9.0 0.04 1.6 20.0 21:01 WNW
30 70.9 79.7 16:19 60.9 23:57 0.2 6.1 0.01 3.0 15.0 12:17 NE
31 65.8 78.9 17:19 53.5 06:47 3.5 4.3 0.00 1.5 13.0 15:25 E
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76.2 101.5 20 53.5 31 9.8 358.6 6.87 2.5 39.0 12 WSW
Max >= 90.0 9
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.92 on day 5
Days of Rain: 13 (>= 0.01 in) 8 (>= 0.10 in) 3 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration