Weather History for St. Charles, MO

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Wednesday, March 13, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 34 °F 45 °F  
Max Temperature 41 °F 55 °F 85 °F (1933)
Min Temperature 28 °F 36 °F 12 °F (1968)
Degree Days  
Heating Degree Days 32 20  
Month to date heating degree days 288  
Since 1 July heating degree days 3886  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 19 °F    
Average Humidity 61    
Maximum Humidity 81    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in 0.10 in 1.16 in (1938)
Month to date precipitation 1.21  
Year to date precipitation 5.85  
Snow  
Snow 0.00 in 0.10 in 7.30 in (1937)
Month to date snowfall 1.4  
Since 1 July snowfall 16.4  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 13 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 39 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 13, 2013 Rise Set
Actual Time 7:15 AM CDT 7:07 PM CDT
Civil Twilight 6:49 AM CDT 7:33 PM CDT
Nautical Twilight 6:18 AM CDT 8:04 PM CDT
Astronomical Twilight 5:47 AM CDT 8:35 PM CDT
Moon 7:56 AM CDT (3/13) 9:22 PM CDT (3/13)
Length of Visible Light 12h 44m
Length of Day
11h 51m
Waxing Crescent, 4% of the Moon is Illuminated
Mar 13
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New

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 30.9 °F 20.2 °F 25.0 °F 79% 30.23 in 7.0 mi NW 15.0 mph - 0.00 in   Overcast
1:09 AM 30.2 °F 19.3 °F 24.8 °F 80% 30.23 in 3.0 mi NW 15.0 mph - 0.00 in Snow Light Snow
1:17 AM 30.2 °F 20.2 °F 24.8 °F 80% 30.23 in 2.5 mi NW 12.7 mph - 0.00 in Snow Light Snow
1:19 AM 30.2 °F 20.2 °F 24.8 °F 80% 30.23 in 3.0 mi NW 12.7 mph - 0.00 in Snow Light Snow
1:54 AM 30.0 °F 19.5 °F 23.0 °F 75% 30.24 in 8.0 mi NW 13.8 mph - 0.00 in Snow Light Snow
2:54 AM 30.0 °F 18.7 °F 21.0 °F 69% 30.25 in 10.0 mi NW 16.1 mph - 0.00 in   Mostly Cloudy
3:54 AM 28.9 °F 16.9 °F 18.0 °F 64% 30.25 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Clear
4:54 AM 28.9 °F 17.3 °F 17.1 °F 61% 30.27 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Mostly Cloudy
5:54 AM 28.0 °F 15.7 °F 16.0 °F 61% 30.29 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Scattered Clouds
6:54 AM 28.0 °F 17.5 °F 16.0 °F 61% 30.31 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
7:54 AM 28.0 °F 16.5 °F 16.0 °F 61% 30.33 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Clear
8:54 AM 28.9 °F 16.5 °F 16.0 °F 58% 30.36 in 10.0 mi WNW 18.4 mph 23.0 mph N/A   Clear
9:54 AM 30.9 °F 20.7 °F 18.0 °F 59% 30.38 in 10.0 mi NW 13.8 mph - N/A   Partly Cloudy
10:54 AM 33.1 °F 23.4 °F 18.0 °F 54% 30.41 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
11:54 AM 33.1 °F 22.6 °F 17.1 °F 52% 30.43 in 10.0 mi NNW 16.1 mph 25.3 mph N/A   Partly Cloudy
12:54 PM 36.0 °F 25.3 °F 17.1 °F 46% 30.43 in 10.0 mi WNW 19.6 mph 39.1 mph N/A   Clear
1:54 PM 37.9 °F 28.9 °F 18.0 °F 45% 30.43 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Clear
2:54 PM 39.0 °F 30.3 °F 16.0 °F 39% 30.42 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Clear
3:54 PM 39.9 °F 33.9 °F 16.0 °F 38% 30.41 in 10.0 mi NW 9.2 mph 18.4 mph N/A   Clear
4:54 PM 39.9 °F 33.9 °F 18.0 °F 41% 30.41 in 10.0 mi NW 9.2 mph - N/A   Clear
5:54 PM 39.9 °F 33.4 °F 17.1 °F 40% 30.40 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:54 PM 37.9 °F 32.1 °F 19.0 °F 47% 30.41 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:54 PM 35.1 °F 31.0 °F 19.9 °F 54% 30.40 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:54 PM 34.0 °F 31.0 °F 21.0 °F 59% 30.41 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:54 PM 28.9 °F - 21.9 °F 75% 30.42 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 28.0 °F - 23.0 °F 81% 30.42 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 28.0 °F - 23.0 °F 81% 30.41 in 10.0 mi Calm Calm - N/A   Clear