Weather History for St. Charles, MO

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Sunday, December 2, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 62 °F 39 °F  
Max Temperature 72 °F 47 °F 75 °F (2012)
Min Temperature 53 °F 31 °F 4 °F (1886)
Degree Days  
Heating Degree Days 2 26  
Month to date heating degree days 52  
Since 1 July heating degree days 878  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.10 in 1.73 in (1967)
Month to date precipitation 0.21  
Year to date precipitation 38.33  
Snow  
Snow 0.00 in 0.10 in 1.70 in (1967)
Month to date snowfall 0.2  
Since 1 July snowfall 0.9  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 02, 2012 Rise Set
Actual Time 7:02 AM CST 4:39 PM CST
Civil Twilight 6:33 AM CST 5:09 PM CST
Nautical Twilight 6:00 AM CST 5:42 PM CST
Astronomical Twilight 5:28 AM CST 6:14 PM CST
Moon 8:26 PM CST (12/2) 9:53 AM CST (12/2)
Length of Visible Light 10h 35m
Length of Day
9h 36m
Waning Gibbous, 85% of the Moon is Illuminated
Dec 2
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 64.0 °F 53.1 °F 67% 29.92 in 10.0 mi SSW 13.8 mph - 0.00 in   Overcast
1:54 AM 62.1 °F 53.1 °F 72% 29.93 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:54 AM 57.9 °F 52.0 °F 81% 29.94 in 10.0 mi South 6.9 mph - N/A   Clear
3:54 AM 59.0 °F 53.1 °F 81% 29.93 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
4:54 AM 53.1 °F 50.0 °F 89% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:54 AM 54.0 °F 51.1 °F 90% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:54 AM 55.9 °F 53.1 °F 90% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
7:47 AM 57.2 °F 53.6 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 57.0 °F 53.1 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
8:26 AM 57.2 °F 53.6 °F 88% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:49 AM 59.0 °F 55.4 °F 88% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 AM 60.1 °F 55.0 °F 83% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:22 AM 62.6 °F 55.4 °F 77% 30.02 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:54 AM 64.9 °F 57.0 °F 75% 30.02 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
10:11 AM 66.2 °F 57.2 °F 73% 30.03 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
10:29 AM 66.2 °F 57.2 °F 73% 30.02 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
10:54 AM 66.9 °F 57.0 °F 70% 30.01 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
11:07 AM 66.2 °F 57.2 °F 73% 30.02 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
11:54 AM 70.0 °F 57.9 °F 65% 29.99 in 10.0 mi WSW 11.5 mph 18.4 mph N/A   Partly Cloudy
12:54 PM 71.1 °F 55.9 °F 59% 29.97 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
1:54 PM 72.0 °F 55.9 °F 57% 29.97 in 10.0 mi West 8.1 mph - N/A   Clear
2:54 PM 72.0 °F 55.9 °F 57% 29.97 in 10.0 mi NW 4.6 mph - N/A   Clear
3:54 PM 70.0 °F 55.9 °F 61% 29.97 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 63.0 °F 53.1 °F 70% 29.97 in 10.0 mi ESE 4.6 mph - N/A   Clear
5:54 PM 59.0 °F 52.0 °F 78% 29.98 in 10.0 mi East 4.6 mph - N/A   Clear
6:54 PM 57.9 °F 52.0 °F 81% 29.99 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
7:54 PM 55.0 °F 50.0 °F 83% 30.00 in 9.0 mi East 9.2 mph - N/A   Partly Cloudy
8:54 PM 57.0 °F 54.0 °F 89% 30.00 in 7.0 mi East 5.8 mph - N/A   Mostly Cloudy
9:54 PM 57.9 °F 55.9 °F 93% 30.00 in 6.0 mi ESE 4.6 mph - N/A   Scattered Clouds
10:54 PM 57.0 °F 54.0 °F 89% 29.99 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 57.9 °F 55.0 °F 90% 29.99 in 7.0 mi SSE 6.9 mph - N/A   Partly Cloudy