Weather History for St. Charles, MO

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Saturday, March 9, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 50 °F 44 °F  
Max Temperature 62 °F 53 °F 80 °F (1925)
Min Temperature 39 °F 34 °F 9 °F (1932)
Degree Days  
Heating Degree Days 14 21  
Month to date heating degree days 206  
Since 1 July heating degree days 3804  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 38 °F    
Average Humidity 64    
Maximum Humidity 89    
Minimum Humidity 44    
Precipitation  
Precipitation 0.29 in 0.09 in 1.33 in (1964)
Month to date precipitation 0.81  
Year to date precipitation 5.45  
Snow  
Snow 0.00 in 0.10 in 10.00 in (1958)
Month to date snowfall 1.0  
Since 1 July snowfall 16.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 11 mph (SE)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 09, 2013 Rise Set
Actual Time 6:21 AM CST 6:03 PM CST
Civil Twilight 5:55 AM CST 6:29 PM CST
Nautical Twilight 5:24 AM CST 7:00 PM CST
Astronomical Twilight 4:53 AM CST 7:31 PM CST
Moon 4:45 AM CST (3/9) 4:05 PM CST (3/9)
Length of Visible Light 12h 34m
Length of Day
11h 41m
Waning Crescent, 5% of the Moon is Illuminated
Mar 9
Waning Crescent
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter

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 44.1 °F 39.5 °F 33.1 °F 65% 30.19 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
1:54 AM 44.1 °F 38.6 °F 32.0 °F 63% 30.17 in 10.0 mi ESE 10.4 mph - 0.00 in   Scattered Clouds
2:54 AM 43.0 °F 37.7 °F 32.0 °F 65% 30.13 in 10.0 mi ESE 9.2 mph - N/A   Clear
3:54 AM 42.1 °F 36.6 °F 32.0 °F 67% 30.13 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
4:54 AM 42.1 °F 37.7 °F 33.1 °F 70% 30.13 in 10.0 mi East 6.9 mph - N/A   Overcast
5:54 AM 41.0 °F 38.0 °F 34.0 °F 76% 30.13 in 10.0 mi East 4.6 mph - 0.00 in Rain Light Rain
6:54 AM 42.1 °F 36.6 °F 35.1 °F 76% 30.13 in 8.0 mi ESE 9.2 mph - 0.07 in Rain Light Rain
7:54 AM 39.9 °F 34.5 °F 37.0 °F 89% 30.14 in 5.0 mi ESE 8.1 mph - 0.06 in Rain Light Rain
8:54 AM 39.9 °F 34.5 °F 37.0 °F 89% 30.12 in 4.0 mi East 8.1 mph - 0.04 in Rain Light Rain
9:54 AM 42.1 °F 35.7 °F 37.0 °F 82% 30.09 in 6.0 mi SE 11.5 mph - 0.09 in Rain Light Rain
10:54 AM 42.1 °F 34.9 °F 37.0 °F 82% 30.05 in 7.0 mi ESE 13.8 mph - 0.02 in Rain Light Rain
11:54 AM 46.0 °F 39.9 °F 41.0 °F 83% 30.01 in 9.0 mi ESE 13.8 mph - 0.00 in   Mostly Cloudy
12:54 PM 52.0 °F - 44.1 °F 74% 29.96 in 10.0 mi ESE 10.4 mph - N/A   Clear
1:54 PM 57.9 °F - 41.0 °F 53% 29.91 in 10.0 mi SSE 18.4 mph - N/A   Clear
2:54 PM 60.1 °F - 43.0 °F 53% 29.85 in 10.0 mi SE 17.3 mph - N/A   Clear
3:54 PM 62.1 °F - 42.1 °F 48% 29.83 in 10.0 mi SE 17.3 mph - N/A   Clear
4:54 PM 62.1 °F - 44.1 °F 52% 29.81 in 10.0 mi SE 11.5 mph - N/A   Clear
5:54 PM 61.0 °F - 41.0 °F 48% 29.81 in 10.0 mi SSE 18.4 mph - N/A   Clear
6:54 PM 59.0 °F - 42.1 °F 53% 29.81 in 10.0 mi SSE 16.1 mph - N/A   Partly Cloudy
7:54 PM 57.9 °F - 39.9 °F 51% 29.81 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
8:54 PM 57.9 °F - 37.9 °F 47% 29.80 in 10.0 mi SSE 16.1 mph - N/A   Clear
9:54 PM 57.9 °F - 37.9 °F 47% 29.81 in 10.0 mi South 18.4 mph 24.2 mph N/A   Scattered Clouds
10:54 PM 59.0 °F - 37.0 °F 44% 29.80 in 10.0 mi South 16.1 mph - N/A   Overcast
11:54 PM 55.9 °F - 42.1 °F 60% 29.79 in 8.0 mi South 10.4 mph - 0.01 in Rain Light Rain