History for St. Charles, MO

Thursday, December 6, 2012 — View Current Conditions
Thursday, December 6, 2012
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 42 °F 37 °F  
Max Temperature 52 °F 45 °F 72 °F (1980)
Min Temperature 33 °F 29 °F 3 °F (1977)
Degree Days
Heating Degree Days 22 28  
Month to date heating degree days 160  
Since 1 July heating degree days 986  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Moisture
Dew Point 38 °F    
Average Humidity 82    
Maximum Humidity 92    
Minimum Humidity 61    
Precipitation
Precipitation 0.00 in 0.10 in 1.59 in (1956)
Month to date precipitation 0.61  
Year to date precipitation 38.73  
Snow
Snow 0.00 in 0.10 in 2.30 in (1950)
Month to date snowfall 0.6  
Since 1 July snowfall 1.3  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.01 in    
Wind
Wind Speed 7 mph (East)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
May. 20, 2013 Rise Set
Actual Time 7:06 AM CST 4:39 PM CST
Civil Twilight 6:36 AM CST 5:09 PM CST
Nautical Twilight 6:03 AM CST 5:42 PM CST
Astronomical Twilight 5:31 AM CST 6:14 PM CST
Moon No Moon Rise 12:02 PM CST (12/6)
Length Of Visible Light 10h 32m
Length of Day
9h 32m
Waning Gibbous, 49% of the Moon is Illuminated
Dec 6
Waning Gibbous
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
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
2:54 AM 34.0 °F 28.0 °F 30.9 °F 89% 30.12 in 10.0 mi East 6.9 mph - N/A   Clear
3:54 AM 33.1 °F 27.7 °F 30.0 °F 89% 30.10 in 10.0 mi East 5.8 mph - N/A   Clear
4:54 AM 34.0 °F 27.2 °F 30.9 °F 89% 30.09 in 10.0 mi East 8.1 mph - N/A   Clear
5:54 AM 34.0 °F 27.2 °F 32.0 °F 92% 30.09 in 9.0 mi East 8.1 mph - N/A   Clear
6:54 AM 36.0 °F 30.3 °F 33.1 °F 89% 30.10 in 8.0 mi ESE 6.9 mph - N/A   Clear
7:54 AM 37.0 °F 31.6 °F 34.0 °F 89% 30.09 in 6.0 mi East 6.9 mph - N/A   Partly Cloudy
8:54 AM 39.0 °F 32.3 °F 36.0 °F 89% 30.07 in 6.0 mi East 10.4 mph - N/A   Scattered Clouds
9:54 AM 42.1 °F 37.1 °F 37.9 °F 85% 30.07 in 6.0 mi East 8.1 mph - N/A   Partly Cloudy
10:54 AM 46.9 °F - 37.9 °F 71% 30.04 in 9.0 mi SE 5.8 mph - N/A   Mostly Cloudy
11:54 AM 48.0 °F - 39.0 °F 71% 30.00 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
12:54 PM 50.0 °F - 39.9 °F 68% 29.98 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
1:54 PM 52.0 °F - 39.0 °F 61% 29.95 in 10.0 mi ESE 4.6 mph - N/A   Clear
2:54 PM 51.1 °F - 41.0 °F 68% 29.95 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
3:54 PM 50.0 °F - 42.1 °F 74% 29.94 in 10.0 mi East 6.9 mph - N/A   Clear
4:54 PM 48.0 °F - 42.1 °F 80% 29.93 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
5:54 PM 46.9 °F - 42.1 °F 83% 29.94 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
6:54 PM 46.9 °F - 42.1 °F 83% 29.95 in 10.0 mi East 5.8 mph - N/A   Overcast
7:54 PM 46.9 °F - 42.1 °F 83% 29.96 in 10.0 mi East 3.5 mph - 0.00 in Rain Light Rain
8:54 PM 46.0 °F 43.9 °F 42.1 °F 86% 29.95 in 10.0 mi East 4.6 mph - 0.00 in   Scattered Clouds
9:54 PM 45.0 °F 43.5 °F 41.0 °F 86% 29.94 in 10.0 mi East 3.5 mph - N/A   Clear
10:54 PM 45.0 °F 41.8 °F 41.0 °F 86% 29.94 in 10.0 mi East 5.8 mph - N/A   Overcast
11:54 PM 45.0 °F 42.6 °F 41.0 °F 86% 29.93 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
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