Weather History for St. Charles, MO

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Thursday, February 7, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 39 °F 34 °F  
Max Temperature 45 °F 43 °F 70 °F (2009)
Min Temperature 33 °F 26 °F -3 °F (1895)
Degree Days  
Heating Degree Days 26 31  
Month to date heating degree days 220  
Since 1 July heating degree days 3014  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 38 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 79    
Precipitation  
Precipitation 0.22 in 0.08 in 1.79 in (1999)
Month to date precipitation 0.54  
Year to date precipitation 2.94  
Snow  
Snow 0.00 in 0.20 in 2.60 in (1973)
Month to date snowfall 1.2  
Since 1 July snowfall 11.9  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 14 mph    
Max Gust Speed 21 mph    
Visibility 5 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 07, 2013 Rise Set
Actual Time 7:01 AM CST 5:30 PM CST
Civil Twilight 6:34 AM CST 5:58 PM CST
Nautical Twilight 6:02 AM CST 6:29 PM CST
Astronomical Twilight 5:31 AM CST 7:00 PM CST
Moon 4:40 AM CST (2/7) 2:55 PM CST (2/7)
Length of Visible Light 11h 24m
Length of Day
10h 28m
Waning Crescent, 9% of the Moon is Illuminated
Feb 7
Waning Crescent
Feb 10
New
Feb 17
First Quarter
Feb 25
Full
Mar 4
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 35.1 °F 28.6 °F 30.9 °F 85% 30.05 in 8.0 mi East 8.1 mph - N/A   Clear
1:54 AM 35.1 °F 28.6 °F 30.9 °F 85% 30.06 in 7.0 mi East 8.1 mph - N/A   Mostly Cloudy
2:54 AM 34.0 °F 27.2 °F 30.0 °F 85% 30.03 in 7.0 mi East 8.1 mph - N/A   Partly Cloudy
3:54 AM 33.1 °F 24.9 °F 30.0 °F 89% 30.00 in 6.0 mi East 10.4 mph - N/A   Clear
4:54 AM 34.0 °F 28.0 °F 30.9 °F 89% 30.00 in 6.0 mi East 6.9 mph - N/A   Mostly Cloudy
6:54 AM 35.1 °F 29.3 °F 32.0 °F 89% 29.98 in 6.0 mi East 6.9 mph - N/A   Overcast
7:54 AM 36.0 °F 29.0 °F 32.0 °F 86% 29.97 in 5.0 mi East 9.2 mph - 0.00 in   Overcast
8:54 AM 39.9 °F 35.1 °F 34.0 °F 79% 29.97 in 6.0 mi East 6.9 mph - 0.00 in   Haze
9:54 AM 41.0 °F 39.0 °F 36.0 °F 82% 29.97 in 3.0 mi ENE 3.5 mph - 0.01 in Rain Light Rain
10:54 AM 39.9 °F 35.1 °F 37.0 °F 89% 29.95 in 5.0 mi ESE 6.9 mph - 0.00 in   Overcast
11:54 AM 42.1 °F 37.7 °F 37.9 °F 85% 29.92 in 5.0 mi ESE 6.9 mph - 0.01 in   Overcast
12:54 PM 43.0 °F - 39.0 °F 86% 29.89 in 5.0 mi Calm Calm - N/A   Overcast
1:45 PM 42.8 °F - 39.2 °F 87% 29.88 in 2.5 mi Calm Calm - 0.02 in Rain Light Rain
1:50 PM 42.8 °F - 39.2 °F 87% 29.88 in 1.8 mi Calm Calm - 0.04 in Rain Heavy Rain
1:54 PM 43.0 °F - 39.0 °F 86% 29.89 in 1.8 mi Calm Calm - 0.05 in Rain Rain
2:15 PM 42.8 °F 41.1 °F 39.2 °F 87% 29.88 in 2.0 mi NNW 3.5 mph - 0.04 in Rain Light Rain
2:54 PM 43.0 °F - 41.0 °F 93% 29.89 in 3.0 mi Calm Calm - 0.09 in Rain Light Rain
3:45 PM 42.8 °F - 41.0 °F 93% 29.87 in 3.0 mi Calm Calm - 0.04 in Rain Light Rain
3:54 PM 43.0 °F - 41.0 °F 93% 29.88 in 3.0 mi Calm Calm - 0.05 in Rain Light Rain
4:11 PM 44.6 °F - 41.0 °F 87% 29.87 in 2.5 mi Calm Calm - 0.00 in Rain Light Rain
4:25 PM 42.8 °F - 41.0 °F 93% 29.87 in 3.0 mi Calm Calm - 0.01 in Rain Light Rain
4:27 PM 42.8 °F - 41.0 °F 93% 29.87 in 2.5 mi Calm Calm - 0.01 in Rain Light Rain
4:54 PM 43.0 °F - 41.0 °F 93% 29.89 in 2.5 mi Calm Calm - 0.01 in   Overcast
5:02 PM 42.8 °F - 42.8 °F 100% 29.89 in 2.5 mi Calm Calm - N/A   Overcast
5:17 PM 42.8 °F 41.1 °F 42.8 °F 100% 29.89 in 3.0 mi West 3.5 mph - N/A   Overcast
5:47 PM 44.6 °F 41.4 °F 42.8 °F 93% 29.91 in 3.0 mi West 5.8 mph - N/A   Overcast
5:54 PM 44.1 °F 40.8 °F 42.1 °F 93% 29.91 in 4.0 mi WNW 5.8 mph - N/A   Overcast
6:54 PM 45.0 °F 40.1 °F 42.1 °F 90% 29.94 in 9.0 mi NW 9.2 mph - N/A   Overcast
7:01 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.94 in 9.0 mi NNW 9.2 mph - N/A   Overcast
7:47 PM 42.8 °F 35.8 °F 39.2 °F 87% 29.96 in 10.0 mi NW 13.8 mph - N/A   Overcast
7:54 PM 43.0 °F 37.2 °F 39.9 °F 89% 29.97 in 10.0 mi NW 10.4 mph - N/A   Overcast
8:54 PM 43.0 °F 38.2 °F 39.9 °F 89% 29.99 in 10.0 mi NW 8.1 mph - N/A   Overcast
9:54 PM 39.9 °F 32.5 °F 37.9 °F 93% 30.02 in 7.0 mi NNW 12.7 mph - N/A   Overcast
10:13 PM 41.0 °F 33.5 °F 37.4 °F 87% 30.03 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Overcast
10:54 PM 39.9 °F 32.5 °F 36.0 °F 86% 30.04 in 8.0 mi NNW 12.7 mph - N/A   Overcast
11:16 PM 37.4 °F 29.3 °F 35.6 °F 93% 30.05 in 4.0 mi NW 12.7 mph - N/A   Overcast
11:54 PM 37.9 °F 29.6 °F 35.1 °F 89% 30.06 in 4.0 mi NNW 13.8 mph - N/A   Overcast