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Report for 2019 12
Monthly Climatological Summary for Dec 2019
Name: Riverweather.com City: St. Charles County State: MO
Elevation: 430 ft Lat: N 38° 55' 52" Lon: W 090° 28' 28"
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
----------------------------------------------------------------------------------
1 39.1 49.8 12:01a 34.4 9:57p 25.9 0.0 0.03 10.4 38.0 1:28p W
2 34.9 39.3 3:47p 29.9 11:11p 30.1 0.0 0.00 6.9 31.0 1:38a WNW
3 38.7 49.9 3:42p 28.5 6:01a 26.3 0.0 0.01 0.7 14.0 1:42p WSW
4 45.4 55.4 2:44p 37.5 11:59p 19.6 0.0 0.00 3.0 14.0 7:15a W
5 47.0 62.8 2:12p 33.6 6:29a 18.0 0.0 0.00 0.1 8.0 1:30p SSE
6 42.1 50.4 12:00a 32.4 11:14p 22.9 0.0 0.00 3.1 30.0 8:10a N
7 36.1 47.6 3:01p 28.5 6:37a 28.9 0.0 0.00 0.1 7.0 12:58p SE
8 44.1 57.7 2:02p 34.0 6:22a 20.9 0.0 0.00 0.4 12.0 12:17p S
9 45.1 53.2 12:57p 26.9 11:56p 19.9 0.0 0.01 6.1 33.0 4:11p WNW
10 27.4 34.6 3:39p 22.4 6:27a 37.6 0.0 0.00 4.0 22.0 12:09a WNW
11 32.0 45.4 3:35p 21.0 4:55a 32.9 0.0 0.00 1.4 13.0 11:25a NW
12 39.3 53.6 2:44p 29.4 2:51a 25.7 0.0 0.00 0.8 21.0 12:43p SSW
13 40.2 48.4 2:56p 34.1 7:10a 24.8 0.0 0.00 0.0 4.0 9:36a ---
14 34.0 39.6 7:07a 29.2 11:57p 31.0 0.0 0.04 6.1 22.0 11:29a WNW
15 26.5 29.2 12:00a 24.9 11:02a 38.5 0.0 0.00 1.7 12.0 11:33p NE
16 28.2 29.8 3:03p 26.0 12:06a 36.8 0.0 0.00 4.6 16.0 9:43p N
17 26.2 31.8 2:34p 21.6 8:20a 38.8 0.0 0.08 6.5 20.0 9:55p WNW
18 24.4 31.4 2:11p 18.8 11:36p 40.6 0.0 0.03 1.2 14.0 12:15a W
19 29.5 44.0 3:06p 17.7 2:16a 35.5 0.0 0.12 0.3 7.0 3:02a E
20 34.8 43.4 3:12p 27.0 7:14a 30.2 0.0 0.00 0.5 6.0 7:42a E
21 37.5 47.6 2:49p 27.7 7:12a 27.5 0.0 0.00 0.1 4.0 11:01a ESE
22 39.0 49.4 3:14p 29.6 7:41a 26.0 0.0 0.00 0.1 5.0 1:21a NE
23 42.0 56.4 3:54p 28.7 7:32a 23.0 0.0 0.00 0.1 3.0 12:06a E
24 46.1 59.6 1:44p 37.3 4:15a 18.9 0.0 0.00 0.1 5.0 3:42a E
25 52.1 69.2 2:07p 38.8 4:53a 13.2 0.3 0.00 0.3 10.0 1:49p ESE
26 54.7 66.8 2:44p 44.8 11:52p 10.5 0.2 0.00 2.0 20.0 8:45p WNW
27 40.7 44.9 12:00a 38.4 7:32a 24.3 0.0 0.00 2.9 15.0 1:37a N
28 50.3 61.1 10:55p 40.5 12:12a 14.7 0.0 0.30 1.4 12.0 9:28p ESE
29 52.6 61.1 12:00a 40.5 11:49p 12.4 0.0 0.68 1.5 24.0 9:32p WSW
30 37.1 40.6 12:00a 34.8 11:37p 27.9 0.0 0.00 8.7 34.0 7:30a W
31 37.1 40.7 7:07p 34.7 12:08a 27.9 0.0 0.00 6.0 31.0 1:59a W
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38.8 69.2 25 17.7 19 811.2 0.5 1.30 2.6 38.0 1 WNW
Max >= 90.0: 0
Max <= 32.0: 4
Min <= 32.0: 17
Min <= 0.0: 0
Max Rain: 0.68 on day 29
Days of Rain: 9 (>= 0.01 in) 3 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration