Weather History for St. Charles, MO

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Wednesday, October 31, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 46 °F 54 °F  
Max Temperature 55 °F 63 °F 88 °F (1968)
Min Temperature 34 °F 44 °F 26 °F (1878)
Degree Days  
Heating Degree Days 19 12  
Month to date heating degree days 234  
Since 1 July heating degree days 276  
Cooling Degree Days 0 1  
Month to date cooling degree days 41  
Year to date cooling degree days 1642  
Moisture  
Dew Point 24 °F    
Average Humidity 50    
Maximum Humidity 76    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.11 in 2.91 in (1946)
Month to date precipitation 3.33  
Year to date precipitation 34.21  
Snow  
Snow 0.00 in 0.10 in T in (1993)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 31, 2012 Rise Set
Actual Time 7:28 AM CDT 6:01 PM CDT
Civil Twilight 7:00 AM CDT 6:29 PM CDT
Nautical Twilight 6:29 AM CDT 7:00 PM CDT
Astronomical Twilight 5:58 AM CDT 7:31 PM CDT
Moon 7:14 PM CDT (10/31) 9:08 AM CDT (10/31)
Length of Visible Light 11h 28m
Length of Day
10h 33m
Full, 97% of the Moon is Illuminated
Oct 31
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter
Nov 28
Full

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 41.0 °F 35.8 °F 30.9 °F 67% 29.93 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:54 AM 39.0 °F 34.0 °F 30.0 °F 70% 29.93 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:54 AM 37.0 °F 31.0 °F 30.0 °F 76% 29.94 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:54 AM 39.9 °F 34.5 °F 28.9 °F 65% 29.93 in 10.0 mi NW 8.1 mph - N/A   Clear
4:54 AM 37.9 °F 32.7 °F 28.9 °F 70% 29.93 in 10.0 mi NW 6.9 mph - N/A   Clear
5:54 AM 37.0 °F 31.6 °F 28.9 °F 73% 29.94 in 10.0 mi NW 6.9 mph - N/A   Clear
6:54 AM 37.0 °F 30.4 °F 28.9 °F 73% 29.95 in 10.0 mi NNW 9.2 mph - N/A   Clear
7:54 AM 37.0 °F 31.6 °F 28.9 °F 73% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Clear
8:54 AM 39.0 °F 31.8 °F 28.0 °F 65% 29.98 in 10.0 mi NW 11.5 mph - N/A   Clear
9:54 AM 42.1 °F 37.1 °F 28.0 °F 58% 29.99 in 10.0 mi North 8.1 mph - N/A   Clear
10:54 AM 44.1 °F 38.6 °F 27.0 °F 51% 29.99 in 10.0 mi West 10.4 mph - N/A   Clear
11:54 AM 46.9 °F - 24.1 °F 41% 29.99 in 10.0 mi NW 11.5 mph - N/A   Clear
12:54 PM 50.0 °F - 21.9 °F 33% 29.97 in 10.0 mi WNW 11.5 mph 24.2 mph N/A   Clear
1:54 PM 53.1 °F - 18.0 °F 25% 29.96 in 10.0 mi WNW 13.8 mph - N/A   Clear
2:54 PM 54.0 °F - 17.1 °F 23% 29.94 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Clear
3:54 PM 55.9 °F - 14.0 °F 19% 29.93 in 10.0 mi WNW 11.5 mph - N/A   Clear
4:54 PM 55.0 °F - 15.1 °F 21% 29.94 in 10.0 mi NW 10.4 mph - N/A   Clear
5:54 PM 52.0 °F - 18.0 °F 26% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:54 PM 46.9 °F - 19.0 °F 33% 29.96 in 10.0 mi NW 6.9 mph - N/A   Clear
7:54 PM 46.9 °F - 21.0 °F 36% 29.97 in 10.0 mi West 4.6 mph - N/A   Clear
8:54 PM 44.1 °F 40.1 °F 25.0 °F 47% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:54 PM 34.0 °F 31.0 °F 21.9 °F 61% 29.99 in 10.0 mi WSW 3.5 mph - N/A   Clear