History for St. Charles, MO

Saturday, December 1, 2012 — View Current Conditions
Saturday, December 1, 2012
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 52 °F 39 °F  
Max Temperature 68 °F 47 °F 73 °F (1970)
Min Temperature 37 °F 31 °F 4 °F (1876)
Degree Days
Heating Degree Days 12 26  
Month to date heating degree days 26  
Since 1 July heating degree days 852  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Growing Degree Days 2 (Base 50)    
Moisture
Dew Point 46 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 61    
Precipitation
Precipitation 0.00 in 0.11 in 1.26 in (1878)
Month to date precipitation 0.11  
Year to date precipitation 38.23  
Snow
Snow 0.00 in 0.10 in 3.50 in (1937)
Month to date snowfall 0.1  
Since 1 July snowfall 0.8  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.02 in    
Wind
Wind Speed 8 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed -    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 25, 2013 Rise Set
Actual Time 7:01 AM CST 4:39 PM CST
Civil Twilight 6:32 AM CST 5:09 PM CST
Nautical Twilight 5:59 AM CST 5:42 PM CST
Astronomical Twilight 5:27 AM CST 6:14 PM CST
Moon 7:29 PM CST (12/1) 9:15 AM CST (12/1)
Length Of Visible Light 10h 36m
Length of Day
9h 37m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
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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 39.0 °F 34.0 °F 35.1 °F 86% 30.10 in 8.0 mi East 6.9 mph - N/A   Clear
2:54 AM 39.0 °F 34.8 °F 36.0 °F 89% 30.11 in 7.0 mi ESE 5.8 mph - N/A   Clear
3:54 AM 37.9 °F 35.5 °F 36.0 °F 93% 30.10 in 7.0 mi ENE 3.5 mph - N/A   Clear
4:25 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.10 in 6.0 mi East 4.6 mph - N/A   Mostly Cloudy
4:54 AM 43.0 °F 40.3 °F 39.9 °F 89% 30.10 in 7.0 mi ENE 4.6 mph - N/A   Overcast
5:21 AM 42.8 °F 38.6 °F 39.2 °F 87% 30.09 in 8.0 mi East 6.9 mph - N/A   Scattered Clouds
5:54 AM 39.9 °F 35.1 °F 37.0 °F 89% 30.10 in 7.0 mi East 6.9 mph - N/A   Clear
6:54 AM 41.0 °F 35.2 °F 39.0 °F 93% 30.09 in 4.0 mi East 9.2 mph - N/A   Clear
7:11 AM 41.0 °F 35.8 °F 39.2 °F 93% 30.08 in 2.5 mi East 8.1 mph - N/A   Clear
7:54 AM 45.0 °F 42.6 °F 43.0 °F 93% 30.08 in 3.0 mi ENE 4.6 mph - N/A   Clear
8:54 AM 53.1 °F - 48.0 °F 83% 30.07 in 6.0 mi East 4.6 mph - N/A   Haze
11:54 AM 64.9 °F - 52.0 °F 63% 30.00 in 10.0 mi South 13.8 mph - N/A   Scattered Clouds
12:54 PM 68.0 °F - 54.0 °F 61% 29.97 in 10.0 mi South 15.0 mph - N/A   Clear
2:54 PM 68.0 °F - 54.0 °F 61% 29.93 in 10.0 mi SSE 13.8 mph - N/A   Scattered Clouds
3:54 PM 66.9 °F - 53.1 °F 61% 29.93 in 10.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
4:54 PM 66.0 °F - 53.1 °F 63% 29.93 in 10.0 mi SSE 16.1 mph - N/A   Mostly Cloudy
5:54 PM 64.9 °F - 53.1 °F 65% 29.94 in 10.0 mi SSE 16.1 mph - N/A   Overcast
6:54 PM 62.1 °F - 52.0 °F 70% 29.95 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
7:54 PM 62.1 °F - 52.0 °F 70% 29.96 in 10.0 mi South 15.0 mph - N/A   Overcast
8:54 PM 62.1 °F - 51.1 °F 67% 29.94 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
9:54 PM 62.1 °F - 52.0 °F 70% 29.94 in 10.0 mi South 10.4 mph - N/A   Overcast
10:54 PM 63.0 °F - 52.0 °F 67% 29.94 in 10.0 mi South 9.2 mph - N/A   Overcast
11:54 PM 63.0 °F - 53.1 °F 70% 29.93 in 10.0 mi South 8.1 mph - N/A   Overcast
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