Weather History for St. Charles, MO

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Monday, November 19, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 46 °F 45 °F  
Max Temperature 55 °F 54 °F 80 °F (1942)
Min Temperature 37 °F 37 °F 8 °F (1880)
Degree Days  
Heating Degree Days 19 20  
Month to date heating degree days 299  
Since 1 July heating degree days 575  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1642  
Moisture  
Dew Point 38 °F    
Average Humidity 73    
Maximum Humidity 86    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.14 in 1.66 in (1900)
Month to date precipitation 2.45  
Year to date precipitation 36.66  
Snow  
Snow 0.00 in 0.10 in 5.20 in (1972)
Month to date snowfall 0.3  
Since 1 July snowfall 0.3  
Since 1 September snowfall 0.3  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Nov. 19, 2012 Rise Set
Actual Time 6:49 AM CST 4:44 PM CST
Civil Twilight 6:20 AM CST 5:13 PM CST
Nautical Twilight 5:48 AM CST 5:46 PM CST
Astronomical Twilight 5:16 AM CST 6:17 PM CST
Moon 11:53 AM CST (11/19) 11:10 PM CST (11/19)
Length of Visible Light 10h 52m
Length of Day
9h 55m
Waxing Crescent, 41% of the Moon is Illuminated
Nov 19
Waxing Crescent
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 39.9 °F 34.5 °F 34.0 °F 79% 30.28 in 9.0 mi East 8.1 mph - N/A   Clear
1:54 AM 39.0 °F 34.0 °F 34.0 °F 82% 30.28 in 9.0 mi East 6.9 mph - N/A   Clear
2:54 AM 37.9 °F 32.1 °F 34.0 °F 86% 30.27 in 8.0 mi East 8.1 mph - N/A   Clear
3:54 AM 39.9 °F 35.1 °F 35.1 °F 83% 30.26 in 9.0 mi East 6.9 mph - N/A   Clear
4:54 AM 39.9 °F 35.1 °F 35.1 °F 83% 30.27 in 9.0 mi East 6.9 mph - N/A   Clear
5:54 AM 41.0 °F 34.7 °F 36.0 °F 82% 30.27 in 9.0 mi ESE 10.4 mph - N/A   Clear
6:54 AM 42.1 °F 37.7 °F 37.0 °F 82% 30.27 in 8.0 mi East 6.9 mph - N/A   Clear
7:54 AM 44.1 °F 40.1 °F 37.9 °F 79% 30.27 in 7.0 mi East 6.9 mph - N/A   Clear
8:54 AM 46.0 °F 43.1 °F 39.0 °F 76% 30.27 in 8.0 mi East 5.8 mph - N/A   Overcast
9:54 AM 50.0 °F - 39.9 °F 68% 30.27 in 9.0 mi East 5.8 mph - N/A   Overcast
10:54 AM 53.1 °F - 41.0 °F 64% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
11:54 AM 54.0 °F - 39.0 °F 57% 30.23 in 10.0 mi South 6.9 mph - N/A   Overcast
12:54 PM 55.9 °F - 37.9 °F 51% 30.20 in 10.0 mi South 5.8 mph - N/A   Overcast
1:54 PM 55.9 °F - 41.0 °F 57% 30.18 in 10.0 mi South 6.9 mph - N/A   Overcast
2:54 PM 55.9 °F - 41.0 °F 57% 30.16 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:54 PM 55.9 °F - 41.0 °F 57% 30.16 in 7.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
4:54 PM 51.1 °F - 39.9 °F 66% 30.14 in 10.0 mi SE 6.9 mph - N/A   Clear
5:54 PM 50.0 °F - 39.9 °F 68% 30.14 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
6:54 PM 46.9 °F - 39.0 °F 74% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:54 PM 46.0 °F - 37.9 °F 73% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 45.0 °F - 37.9 °F 76% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 PM 44.1 °F - 37.9 °F 79% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:54 PM 43.0 °F - 39.0 °F 86% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 44.1 °F 42.5 °F 37.9 °F 79% 30.13 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy