History for St. Charles, MO

Monday, January 7, 2013 — View Current Conditions
Monday, January 7, 2013
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 32 °F 32 °F  
Max Temperature 45 °F 39 °F 73 °F (1965)
Min Temperature 19 °F 24 °F -14 °F (1912)
Degree Days
Heating Degree Days 33 33  
Month to date heating degree days 231  
Since 1 July heating degree days 1996  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 23 °F    
Average Humidity 78    
Maximum Humidity 96    
Minimum Humidity 49    
Precipitation
Precipitation 0.00 in 0.08 in 1.39 in (1937)
Month to date precipitation 0.61  
Year to date precipitation 0.61  
Snow
Snow 0.00 in 0.20 in 5.90 in (1940)
Month to date snowfall 1.3  
Since 1 July snowfall 6.4  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.30 in    
Wind
Wind Speed 4 mph (SE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
May. 21, 2013 Rise Set
Actual Time 7:20 AM CST 4:55 PM CST
Civil Twilight 6:51 AM CST 5:25 PM CST
Nautical Twilight 6:17 AM CST 5:58 PM CST
Astronomical Twilight 5:45 AM CST 6:31 PM CST
Moon 2:45 AM CST (1/7) 1:06 PM CST (1/7)
Length Of Visible Light 10h 34m
Length of Day
9h 35m
Waning Crescent, 22% of the Moon is Illuminated
Jan 7
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
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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 21.9 °F - 18.0 °F 85% 30.40 in 7.0 mi Calm Calm - N/A   Clear
1:54 AM 21.9 °F - 19.0 °F 89% 30.41 in 6.0 mi Calm Calm - N/A   Clear
2:54 AM 21.9 °F - 19.0 °F 89% 30.41 in 5.0 mi Calm Calm - N/A   Clear
3:54 AM 21.0 °F - 19.0 °F 92% 30.41 in 4.0 mi Calm Calm - N/A   Clear
4:54 AM 19.0 °F 13.9 °F 18.0 °F 96% 30.40 in 6.0 mi ENE 3.5 mph - N/A   Clear
5:54 AM 19.9 °F 12.1 °F 17.1 °F 89% 30.38 in 7.0 mi East 5.8 mph - N/A   Clear
6:54 AM 19.9 °F 12.1 °F 18.0 °F 92% 30.40 in 6.0 mi East 5.8 mph - N/A   Clear
7:54 AM 21.9 °F 14.5 °F 19.0 °F 89% 30.40 in 4.0 mi East 5.8 mph - N/A   Clear
8:54 AM 28.0 °F 22.8 °F 23.0 °F 81% 30.40 in 5.0 mi ESE 4.6 mph - N/A   Haze
9:54 AM 34.0 °F 26.6 °F 25.0 °F 70% 30.39 in 7.0 mi South 9.2 mph - N/A   Clear
10:54 AM 37.9 °F 30.9 °F 25.0 °F 60% 30.37 in 9.0 mi South 10.4 mph - N/A   Clear
11:54 AM 39.9 °F 33.4 °F 25.0 °F 55% 30.32 in 10.0 mi South 10.4 mph - N/A   Clear
1:54 PM 44.1 °F 39.5 °F 27.0 °F 51% 30.25 in 10.0 mi South 8.1 mph - N/A   Clear
2:54 PM 45.0 °F 39.7 °F 27.0 °F 49% 30.23 in 10.0 mi SSE 10.4 mph - N/A   Clear
3:54 PM 42.1 °F 35.7 °F 28.0 °F 58% 30.22 in 10.0 mi SSE 11.5 mph - N/A   Clear
5:54 PM 35.1 °F 28.6 °F 28.0 °F 76% 30.21 in 8.0 mi SE 8.1 mph - N/A   Clear
6:54 PM 33.1 °F 26.9 °F 27.0 °F 78% 30.19 in 7.0 mi SE 6.9 mph - N/A   Clear
7:54 PM 32.0 °F 25.6 °F 27.0 °F 82% 30.19 in 7.0 mi ESE 6.9 mph - N/A   Clear
8:54 PM 30.9 °F 24.3 °F 27.0 °F 85% 30.19 in 7.0 mi ESE 6.9 mph - N/A   Clear
9:54 PM 30.9 °F 23.5 °F 26.1 °F 82% 30.18 in 9.0 mi SE 8.1 mph - N/A   Clear
10:54 PM 30.9 °F 26.2 °F 26.1 °F 82% 30.17 in 9.0 mi SE 4.6 mph - N/A   Clear
11:54 PM 28.9 °F 21.9 °F 25.0 °F 85% 30.17 in 7.0 mi ENE 6.9 mph - N/A   Clear
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