History for St. Charles, MO

Thursday, February 14, 2013 — View Current Conditions
Thursday, February 14, 2013
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 42 °F 36 °F  
Max Temperature 54 °F 45 °F 74 °F (1954)
Min Temperature 30 °F 27 °F -2 °F (1905)
Degree Days
Heating Degree Days 23 29  
Month to date heating degree days 429  
Since 1 July heating degree days 3223  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 30 °F    
Average Humidity 64    
Maximum Humidity 89    
Minimum Humidity 41    
Precipitation
Precipitation 0.00 in 0.09 in 1.81 in (1949)
Month to date precipitation 1.13  
Year to date precipitation 3.53  
Snow
Snow 0.00 in 0.20 in 6.10 in (1986)
Month to date snowfall 2.3  
Since 1 July snowfall 13.0  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 29.93 in    
Wind
Wind Speed 6 mph (West)    
Max Wind Speed 20 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
May. 24, 2013 Rise Set
Actual Time 6:53 AM CST 5:38 PM CST
Civil Twilight 6:26 AM CST 6:05 PM CST
Nautical Twilight 5:55 AM CST 6:37 PM CST
Astronomical Twilight 5:24 AM CST 7:07 PM CST
Moon 8:58 AM CST (2/14) 10:38 PM CST (2/14)
Length Of Visible Light 11h 39m
Length of Day
10h 44m
Waxing Crescent, 22% of the Moon is Illuminated
Feb 14
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 34.0 °F 31.0 °F 28.9 °F 82% 29.83 in 10.0 mi SW 3.5 mph - N/A   Clear
1:54 AM 32.0 °F - 28.9 °F 88% 29.83 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 35.1 °F - 30.9 °F 85% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
3:54 AM 33.1 °F - 30.0 °F 89% 29.82 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:54 AM 33.1 °F 30.0 °F 28.9 °F 85% 29.82 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:54 AM 30.9 °F - 28.0 °F 89% 29.83 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 34.0 °F 28.8 °F 28.9 °F 82% 29.85 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:54 AM 37.9 °F 32.7 °F 30.9 °F 76% 29.89 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
8:54 AM 39.9 °F 34.5 °F 30.9 °F 70% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
9:54 AM 45.0 °F 39.7 °F 32.0 °F 60% 29.91 in 10.0 mi West 10.4 mph - N/A   Clear
10:54 AM 50.0 °F - 33.1 °F 52% 29.92 in 10.0 mi West 12.7 mph - N/A   Clear
11:54 AM 51.1 °F - 33.1 °F 50% 29.92 in 10.0 mi West 17.3 mph - N/A   Clear
12:54 PM 53.1 °F - 32.0 °F 45% 29.92 in 10.0 mi WNW 19.6 mph 24.2 mph N/A   Clear
1:54 PM 54.0 °F - 30.9 °F 41% 29.91 in 10.0 mi West 12.7 mph - N/A   Clear
2:54 PM 54.0 °F - 30.9 °F 41% 29.93 in 10.0 mi NW 13.8 mph - N/A   Clear
3:54 PM 53.1 °F - 30.9 °F 43% 29.95 in 10.0 mi WNW 15.0 mph - N/A   Clear
4:54 PM 50.0 °F - 30.9 °F 48% 29.97 in 10.0 mi WNW 12.7 mph - N/A   Clear
5:54 PM 46.9 °F - 30.9 °F 54% 30.00 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:54 PM 45.0 °F 40.1 °F 30.9 °F 58% 30.03 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:54 PM 41.0 °F 37.1 °F 30.9 °F 67% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:54 PM 42.1 °F 37.1 °F 30.0 °F 62% 30.04 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
9:54 PM 39.9 °F 35.1 °F 30.0 °F 68% 30.05 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
10:54 PM 42.1 °F 36.1 °F 26.1 °F 53% 30.06 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
11:54 PM 41.0 °F 35.8 °F 25.0 °F 53% 30.06 in 10.0 mi NW 8.1 mph - N/A   Overcast
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