Weather History for St. Charles, MO

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Wednesday, December 5, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 42 °F 38 °F  
Max Temperature 52 °F 46 °F 72 °F (1956)
Min Temperature 33 °F 30 °F 8 °F (1886)
Degree Days  
Heating Degree Days 22 27  
Month to date heating degree days 132  
Since 1 July heating degree days 958  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1646  
Moisture  
Dew Point 35 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 54    
Precipitation  
Precipitation 0.01 in 0.09 in 1.35 in (2014)
Month to date precipitation 0.51  
Year to date precipitation 38.63  
Snow  
Snow 0.00 in 0.10 in 6.60 in (1977)
Month to date snowfall 0.5  
Since 1 July snowfall 1.2  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 2 mph (ENE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 05, 2012 Rise Set
Actual Time 7:05 AM CST 4:39 PM CST
Civil Twilight 6:35 AM CST 5:09 PM CST
Nautical Twilight 6:02 AM CST 5:42 PM CST
Astronomical Twilight 5:30 AM CST 6:14 PM CST
Moon 11:26 PM CST (12/5) 11:31 AM CST (12/5)
Length of Visible Light 10h 33m
Length of Day
9h 33m
Waning Gibbous, 59% of the Moon is Illuminated
Dec 5
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 39.2 °F - 37.4 °F 93% 30.30 in 1.5 mi Calm Calm - 0.01 in   Scattered Clouds
12:03 AM 37.4 °F - 37.4 °F 100% 30.30 in 4.0 mi Calm Calm - 0.01 in   Scattered Clouds
12:14 AM 33.8 °F - 33.8 °F 100% 30.30 in 1.5 mi Calm Calm - 0.01 in   Partly Cloudy
12:16 AM 33.8 °F - 33.8 °F 100% 30.30 in 0.8 mi Calm Calm - 0.01 in   Mist
12:47 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.30 in 1.2 mi NNW 3.5 mph - 0.01 in   Partly Cloudy
12:54 AM 36.0 °F - 35.1 °F 97% 30.30 in 1.2 mi Calm Calm - 0.01 in   Partly Cloudy
12:57 AM 35.6 °F - 35.6 °F 100% 30.30 in 0.8 mi Calm Calm - N/A   Clear
1:04 AM 35.6 °F - 35.6 °F 100% 30.30 in 1.0 mi Calm Calm - N/A   Mist
1:19 AM 37.4 °F - 35.6 °F 93% 30.30 in 0.5 mi Calm Calm - N/A Fog Fog
1:24 AM 35.6 °F - 35.6 °F 100% 30.30 in 1.2 mi Calm Calm - N/A   Scattered Clouds
1:27 AM 35.6 °F - 35.6 °F 100% 30.30 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 35.1 °F - 34.0 °F 96% 30.32 in 0.5 mi Calm Calm - N/A Fog Fog
2:08 AM 33.8 °F - 33.8 °F 100% 30.32 in 1.5 mi Calm Calm - N/A   Partly Cloudy
2:10 AM 33.8 °F - 33.8 °F 100% 30.32 in 3.0 mi Calm Calm - N/A   Partly Cloudy
2:54 AM 35.1 °F - 34.0 °F 96% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 34.0 °F - 32.0 °F 92% 30.34 in 9.0 mi Calm Calm - N/A   Clear
4:54 AM 42.1 °F 37.7 °F 32.0 °F 67% 30.34 in 10.0 mi NE 6.9 mph - N/A   Clear
5:54 AM 42.1 °F 36.1 °F 32.0 °F 67% 30.35 in 10.0 mi NNE 10.4 mph - N/A   Clear
6:54 AM 39.0 °F 36.8 °F 30.9 °F 73% 30.37 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:54 AM 44.1 °F 40.1 °F 33.1 °F 65% 30.39 in 10.0 mi ENE 6.9 mph - N/A   Clear
9:54 AM 45.0 °F 40.6 °F 34.0 °F 65% 30.39 in 10.0 mi ENE 8.1 mph - N/A   Clear
10:54 AM 48.0 °F - 35.1 °F 61% 30.37 in 10.0 mi East 6.9 mph - N/A   Clear
11:54 AM 50.0 °F - 35.1 °F 57% 30.35 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 52.0 °F - 37.0 °F 57% 30.32 in 10.0 mi ESE 6.9 mph - N/A   Clear
1:54 PM 52.0 °F - 36.0 °F 54% 30.30 in 10.0 mi SE 4.6 mph - N/A   Clear
2:54 PM 52.0 °F - 37.9 °F 59% 30.27 in 10.0 mi East 6.9 mph - N/A   Clear
3:54 PM 50.0 °F - 41.0 °F 71% 30.26 in 10.0 mi East 5.8 mph - N/A   Clear
4:54 PM 46.9 °F - 37.9 °F 71% 30.25 in 10.0 mi East 5.8 mph - N/A   Clear
5:54 PM 45.0 °F 42.6 °F 37.0 °F 74% 30.25 in 10.0 mi ENE 4.6 mph - N/A   Clear
6:54 PM 41.0 °F 39.0 °F 36.0 °F 82% 30.24 in 10.0 mi ENE 3.5 mph - N/A   Clear
7:54 PM 39.0 °F 34.8 °F 34.0 °F 82% 30.23 in 10.0 mi East 5.8 mph - N/A   Clear
8:54 PM 37.0 °F 31.0 °F 33.1 °F 86% 30.20 in 10.0 mi East 8.1 mph - N/A   Clear
9:54 PM 37.0 °F 30.4 °F 33.1 °F 86% 30.18 in 10.0 mi East 9.2 mph - N/A   Clear
10:54 PM 37.0 °F 31.6 °F 33.1 °F 86% 30.17 in 10.0 mi East 6.9 mph - N/A   Clear
11:54 PM 36.0 °F 32.1 °F 32.0 °F 86% 30.16 in 10.0 mi East 4.6 mph - N/A   Clear