Weather History for St. Charles, MO

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Monday, December 3, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 66 °F 39 °F  
Max Temperature 75 °F 47 °F 76 °F (1970)
Min Temperature 57 °F 31 °F 2 °F (1886)
Degree Days  
Heating Degree Days 0 26  
Month to date heating degree days 78  
Since 1 July heating degree days 904  
Cooling Degree Days 1 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.11 in 2.73 in (1982)
Month to date precipitation 0.32  
Year to date precipitation 38.44  
Snow  
Snow 0.00 in 0.10 in 2.30 in (1921)
Month to date snowfall 0.3  
Since 1 July snowfall 1.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 03, 2012 Rise Set
Actual Time 7:03 AM CST 4:39 PM CST
Civil Twilight 6:34 AM CST 5:09 PM CST
Nautical Twilight 6:01 AM CST 5:42 PM CST
Astronomical Twilight 5:28 AM CST 6:14 PM CST
Moon 9:25 PM CST (12/3) 10:28 AM CST (12/3)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waning Gibbous, 78% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (CST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 60.1 °F 57.9 °F 93% 29.99 in 7.0 mi South 4.6 mph - N/A   Overcast
1:54 AM 57.0 °F 55.0 °F 93% 29.99 in 6.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
2:54 AM 57.9 °F 55.9 °F 93% 29.99 in 6.0 mi East 5.8 mph - N/A   Mostly Cloudy
3:54 AM 60.1 °F 57.0 °F 90% 29.98 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
4:54 AM 61.0 °F 57.9 °F 90% 29.96 in 8.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:54 AM 61.0 °F 57.9 °F 90% 29.96 in 8.0 mi SSE 9.2 mph - N/A   Overcast
6:54 AM 62.1 °F 57.9 °F 86% 29.96 in 9.0 mi South 9.2 mph - N/A   Clear
7:54 AM 63.0 °F 59.0 °F 87% 29.95 in 8.0 mi SSE 11.5 mph - N/A   Clear
10:54 AM 72.0 °F 60.1 °F 66% 29.92 in 10.0 mi South 19.6 mph 26.5 mph N/A   Scattered Clouds
11:54 AM 73.9 °F 57.9 °F 57% 29.88 in 10.0 mi South 23.0 mph 31.1 mph N/A   Partly Cloudy
12:54 PM 75.0 °F 57.0 °F 53% 29.86 in 10.0 mi South 25.3 mph 31.1 mph N/A   Partly Cloudy
1:54 PM 73.9 °F 55.9 °F 53% 29.84 in 10.0 mi South 19.6 mph 31.1 mph N/A   Scattered Clouds
2:54 PM 73.9 °F 55.0 °F 52% 29.84 in 10.0 mi South 20.7 mph 27.6 mph N/A   Partly Cloudy
3:54 PM 72.0 °F 55.0 °F 55% 29.86 in 10.0 mi South 16.1 mph 26.5 mph N/A   Partly Cloudy
4:54 PM 70.0 °F 55.0 °F 59% 29.88 in 10.0 mi South 10.4 mph - N/A   Overcast
5:54 PM 70.0 °F 54.0 °F 57% 29.89 in 10.0 mi South 18.4 mph - N/A   Overcast
6:54 PM 66.9 °F 55.0 °F 66% 29.91 in 10.0 mi SSE 11.5 mph - N/A   Clear
7:54 PM 64.9 °F 55.9 °F 73% 29.92 in 10.0 mi South 17.3 mph - N/A   Clear
8:54 PM 64.9 °F 57.0 °F 75% 29.91 in 10.0 mi South 13.8 mph - N/A   Partly Cloudy
9:54 PM 64.0 °F 55.9 °F 75% 29.91 in 10.0 mi South 9.2 mph - N/A   Clear
10:54 PM 64.0 °F 55.9 °F 75% 29.91 in 10.0 mi South 10.4 mph - N/A   Clear
11:54 PM 63.0 °F 55.0 °F 75% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds