Weather History for St. Charles, MO

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Sunday, January 6, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 32 °F 32 °F  
Max Temperature 39 °F 40 °F 73 °F (2008)
Min Temperature 23 °F 24 °F -11 °F (1884)
Degree Days  
Heating Degree Days 34 33  
Month to date heating degree days 198  
Since 1 July heating degree days 1963  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 24 °F    
Average Humidity 71    
Maximum Humidity 88    
Minimum Humidity 54    
Precipitation  
Precipitation 0.01 in 0.09 in 1.35 in (1890)
Month to date precipitation 0.53  
Year to date precipitation 0.53  
Snow  
Snow 0.00 in 0.20 in 5.10 in (1962)
Month to date snowfall 1.1  
Since 1 July snowfall 6.2  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 06, 2013 Rise Set
Actual Time 7:20 AM CST 4:55 PM CST
Civil Twilight 6:51 AM CST 5:24 PM CST
Nautical Twilight 6:17 AM CST 5:57 PM CST
Astronomical Twilight 5:45 AM CST 6:30 PM CST
Moon 1:36 AM CST (1/6) 12:21 PM CST (1/6)
Length of Visible Light 10h 33m
Length of Day
9h 34m
Waning Crescent, 33% of the Moon is Illuminated
Jan 6
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 39.9 °F 33.9 °F 30.9 °F 70% 30.09 in 10.0 mi WSW 9.2 mph - N/A   Overcast
1:54 AM 39.0 °F 31.8 °F 30.0 °F 70% 30.09 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
2:54 AM 37.0 °F 28.1 °F 28.9 °F 73% 30.11 in 10.0 mi West 15.0 mph - N/A   Clear
3:34 AM 35.6 °F 28.6 °F 28.4 °F 75% 30.10 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
3:54 AM 35.1 °F 28.6 °F 28.0 °F 76% 30.10 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:04 AM 35.6 °F 27.5 °F 28.4 °F 75% 30.10 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
4:54 AM 33.1 °F 24.9 °F 27.0 °F 78% 30.12 in 10.0 mi West 10.4 mph - N/A   Clear
5:54 AM 33.1 °F 22.6 °F 26.1 °F 75% 30.14 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Overcast
6:54 AM 32.0 °F 20.5 °F 23.0 °F 69% 30.18 in 10.0 mi WNW 18.4 mph 25.3 mph 0.01 in   Overcast
7:54 AM 32.0 °F 24.8 °F 23.0 °F 69% 30.21 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:17 AM 32.0 °F 23.6 °F 23.0 °F 69% 30.20 in 10.0 mi WNW 10.4 mph - N/A   Overcast
8:54 AM 32.0 °F 21.2 °F 23.0 °F 69% 30.23 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Overcast
9:54 AM 32.0 °F 21.6 °F 21.9 °F 66% 30.27 in 8.0 mi NW 15.0 mph - N/A   Overcast
10:54 AM 32.0 °F 21.6 °F 21.9 °F 66% 30.29 in 8.0 mi NW 15.0 mph 23.0 mph N/A   Scattered Clouds
11:54 AM 34.0 °F 25.0 °F 21.9 °F 61% 30.28 in 8.0 mi WNW 12.7 mph 23.0 mph N/A   Partly Cloudy
12:54 PM 34.0 °F 23.4 °F 21.9 °F 61% 30.27 in 8.0 mi WNW 17.3 mph - N/A   Clear
1:54 PM 36.0 °F 27.1 °F 21.0 °F 55% 30.29 in 10.0 mi WNW 13.8 mph - N/A   Clear
2:54 PM 36.0 °F 28.0 °F 21.0 °F 55% 30.32 in 10.0 mi NW 11.5 mph - N/A   Clear
3:54 PM 35.1 °F 27.4 °F 19.9 °F 54% 30.34 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:54 PM 32.0 °F 26.4 °F 19.9 °F 61% 30.35 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:54 PM 30.0 °F 24.1 °F 21.0 °F 69% 30.39 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:54 PM 27.0 °F - 21.0 °F 78% 30.39 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 24.1 °F - 21.0 °F 88% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 24.1 °F 18.2 °F 21.0 °F 88% 30.38 in 10.0 mi South 4.6 mph - N/A   Clear
10:54 PM 24.1 °F - 21.0 °F 88% 30.40 in 8.0 mi Calm Calm - N/A   Clear
11:54 PM 23.0 °F - 19.9 °F 88% 30.40 in 8.0 mi Calm Calm - N/A   Clear