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Monthly Climatological Summary for Jun 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 82.9 95.8 16:36 69.5 06:06 0.0 17.9 0.00 1.2 11.0 14:55 W
02 76.7 83.7 16:22 71.4 06:06 0.0 11.7 0.12 2.7 22.0 11:56 WSW
03 73.2 82.8 17:02 62.3 06:01 0.2 8.4 0.00 4.1 21.0 15:13 NW
04 69.5 78.8 14:20 57.2 05:43 1.5 6.0 0.00 1.3 13.0 13:42 NNW
05 74.4 87.8 17:47 57.2 05:32 1.0 10.4 0.00 0.2 10.0 09:34 W
06 77.5 89.8 15:35 63.3 05:44 0.1 12.6 0.00 0.1 10.0 16:36 SW
07 81.7 92.7 17:30 70.8 01:42 0.0 16.7 0.00 1.7 14.0 12:43 SW
08 82.0 89.7 14:16 72.7 05:26 0.0 17.0 0.00 2.9 15.0 11:42 SSW
09 78.8 87.6 12:10 70.6 13:22 0.0 13.8 0.01 4.0 30.0 12:19 SSW
10 83.1 93.7 16:18 72.2 05:44 0.0 18.1 0.00 3.6 17.0 09:05 SW
11 83.7 93.5 16:53 73.0 06:40 0.0 18.7 0.00 1.7 16.0 14:11 SW
12 80.9 89.9 17:21 73.9 06:36 0.0 15.9 0.00 2.2 16.0 15:30 W
13 78.7 86.9 14:35 68.8 23:57 0.0 13.7 0.00 2.6 15.0 12:25 NNW
14 74.4 91.2 14:52 63.5 05:32 0.1 9.4 0.79 2.0 26.0 16:10 SSE
15 80.6 93.9 15:42 65.7 05:26 0.0 15.6 0.00 3.3 14.0 16:36 S
16 84.9 93.5 15:26 74.0 06:04 0.0 19.9 0.00 3.2 14.0 12:27 SSW
17 86.2 94.5 15:58 77.5 05:32 0.0 21.2 0.00 4.1 15.0 15:18 SSW
18 85.8 94.5 15:31 77.9 05:50 0.0 20.8 0.00 4.0 16.0 18:20 SW
19 81.2 92.9 16:05 73.0 23:41 0.0 16.2 0.63 3.9 20.0 17:19 WSW
20 77.4 89.2 16:53 70.1 03:56 0.0 12.4 0.30 3.8 32.0 17:48 SSW
21 73.1 81.4 13:12 65.9 23:56 0.0 8.1 0.01 3.8 24.0 17:20 WSW
22 68.0 73.4 11:39 65.1 03:08 0.0 3.0 0.19 3.2 20.0 14:43 WNW
23 72.3 80.0 18:47 66.3 03:12 0.0 7.3 0.00 0.8 8.0 09:53 W
24 74.2 84.9 14:12 65.0 05:38 0.0 9.2 0.20 0.7 25.0 16:57 S
25 75.1 84.7 16:30 66.7 04:38 0.0 10.1 0.00 1.7 15.0 12:37 SE
26 70.7 76.3 00:00 67.2 18:07 0.0 5.7 1.79 3.1 20.0 16:42 SW
27 78.4 90.0 17:38 68.0 00:00 0.0 13.4 0.01 1.1 11.0 00:31 WSW
28 78.8 94.4 15:39 71.5 20:13 0.0 13.8 0.05 1.4 30.0 17:17 S
29 83.8 93.9 15:47 73.0 02:31 0.0 18.8 0.00 1.6 14.0 17:44 SSW
30 85.5 94.9 16:05 77.4 05:59 0.0 20.5 0.00 2.4 18.0 18:45 S
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78.5 95.8 1 57.2 4 2.9 406.3 4.10 2.4 32.0 20 SW
Max >= 90.0 14
Max <= 32.0 0
Min <= 32.0 0
Min <= 0.0 0
Max Rain: 1.79 on day 26
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