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Monthly Climatological Summary for Aug 2018
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 73.2 85.1 16:24 59.5 04:44 1.3 9.5 0.00 0.2 9.0 21:11 SSE
02 78.6 91.7 14:39 68.3 06:15 0.0 13.6 0.00 1.5 21.0 16:11 WSW
03 83.7 96.5 15:11 69.2 06:51 0.0 18.7 0.00 0.9 23.0 15:45 SW
04 83.3 93.1 16:47 69.4 06:45 0.0 18.3 0.00 1.4 20.0 15:15 SSW
05 85.6 95.4 15:27 75.0 06:55 0.0 20.6 0.00 1.3 16.0 15:31 SSW
06 86.0 98.7 15:03 76.5 06:36 0.0 21.0 0.00 1.7 18.0 13:56 SW
07 75.8 83.9 00:00 69.5 10:15 0.0 10.8 1.03 0.8 24.0 01:35 WSW
08 78.7 89.1 14:54 69.2 06:17 0.0 13.7 0.00 0.4 14.0 11:51 NW
09 78.9 90.2 14:09 66.9 05:06 0.0 13.9 0.00 0.0 9.0 13:56 S
10 78.6 93.8 14:58 66.4 06:46 0.0 13.6 0.17 0.2 26.0 18:50 SW
11 77.9 87.4 15:39 69.7 06:40 0.0 12.9 0.00 0.3 12.0 13:16 NNE
12 77.4 88.7 15:19 65.3 06:03 0.0 12.4 0.00 0.0 9.0 16:50 N
13 79.3 90.7 16:02 67.4 06:34 0.0 14.3 0.00 0.1 10.0 14:15 SE
14 74.9 82.9 10:41 68.6 06:28 0.0 9.9 0.18 0.7 17.0 15:44 SSW
15 74.1 83.6 17:34 70.5 08:48 0.0 9.1 0.01 2.1 16.0 17:47 SSW
16 81.0 91.3 17:26 71.1 04:34 0.0 16.0 0.02 1.0 15.0 23:05 SW
17 78.7 88.5 16:56 73.1 05:12 0.0 13.7 0.08 0.9 17.0 14:11 W
18 76.5 85.6 15:47 68.2 06:29 0.0 11.5 0.01 0.0 8.0 11:49 N
19 77.5 85.7 14:37 68.0 06:19 0.0 12.5 0.00 0.3 14.0 21:40 SE
20 74.7 83.7 15:03 69.6 23:49 0.0 9.7 0.27 2.9 22.0 18:30 SSW
21 72.9 81.3 17:28 67.9 05:18 0.0 7.9 0.01 2.0 20.0 14:45 NW
22 69.6 77.8 17:30 61.2 23:59 0.4 5.0 0.00 0.0 12.0 12:11 NNE
23 68.5 78.9 15:00 55.5 06:24 2.4 5.9 0.00 0.2 13.0 13:05 S
24 69.3 74.9 18:02 62.7 08:35 0.3 4.6 1.09 3.0 19.0 18:03 S
25 83.0 94.7 15:37 72.7 00:35 0.0 18.0 0.00 3.3 22.0 13:05 SW
26 85.3 94.5 15:19 78.8 06:47 0.0 20.3 0.00 1.7 18.0 14:58 SSW
27 84.7 94.1 15:54 76.9 03:45 0.0 19.7 0.00 3.9 23.0 16:55 SSW
28 85.7 95.4 16:21 77.4 06:00 0.0 20.7 0.00 3.9 21.0 15:35 SSW
29 73.0 81.7 00:00 68.6 07:23 0.0 8.0 1.40 1.6 28.0 04:31 SW
30 73.9 81.0 16:05 66.8 06:30 0.0 8.9 0.00 0.0 9.0 18:54 E
31 77.1 84.0 18:46 69.2 06:34 0.0 12.1 0.00 0.5 13.0 14:17 S
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78.0 98.7 6 55.5 23 4.4 406.8 4.27 1.2 28.0 29 SSW
Max >= 90.0 13
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.40 on day 29
Days of Rain: 11 (>= 0.01 in) 6 (>= 0.10 in) 3 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration