History for St. Charles, MO

Thursday, February 21, 2013 — View Current Conditions
Thursday, February 21, 2013
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 24 °F 38 °F  
Max Temperature 30 °F 47 °F 79 °F (1935)
Min Temperature 19 °F 29 °F -1 °F (1885)
Degree Days
Heating Degree Days 40 27  
Month to date heating degree days 625  
Since 1 July heating degree days 3419  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 23 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 71    
Precipitation
Precipitation 0.00 in 0.08 in 1.68 in (1974)
Month to date precipitation 1.67  
Year to date precipitation 4.07  
Snow
Snow 0.00 in 0.10 in 6.10 in (1912)
Month to date snowfall 3.3  
Since 1 July snowfall 14.0  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.05 in    
Wind
Wind Speed 12 mph (East)    
Max Wind Speed 26 mph    
Max Gust Speed 39 mph    
Visibility 4 miles    
Events Fog , Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
February snow 2013
In Irving, Il. 62051
February Snow 2013
Visit WunderPhotos
Astronomy
May. 21, 2013 Rise Set
Actual Time 6:44 AM CST 5:46 PM CST
Civil Twilight 6:17 AM CST 6:13 PM CST
Nautical Twilight 5:46 AM CST 6:44 PM CST
Astronomical Twilight 5:16 AM CST 7:15 PM CST
Moon 2:02 PM CST 3:48 AM CST
Length Of Visible Light 11h 55m
Length of Day
11h 01m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:54 AM 19.0 °F 11.1 °F 14.0 °F 81% 30.32 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
2:54 AM 21.9 °F 13.4 °F 15.1 °F 75% 30.30 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
3:54 AM 23.0 °F 13.9 °F 16.0 °F 74% 30.30 in 10.0 mi ENE 8.1 mph - N/A   Overcast
4:54 AM 23.0 °F 11.1 °F 16.0 °F 74% 30.25 in 10.0 mi East 12.7 mph - N/A   Overcast
5:54 AM 24.1 °F 14.4 °F 17.1 °F 75% 30.28 in 10.0 mi East 9.2 mph - N/A   Overcast
6:54 AM 24.1 °F 11.5 °F 18.0 °F 77% 30.25 in 10.0 mi East 15.0 mph - N/A   Overcast
7:54 AM 25.0 °F 13.6 °F 18.0 °F 75% 30.28 in 10.0 mi East 12.7 mph - N/A   Overcast
8:54 AM 25.0 °F 12.6 °F 18.0 °F 75% 30.24 in 10.0 mi East 15.0 mph - N/A   Overcast
9:54 AM 26.1 °F 12.0 °F 18.0 °F 71% 30.20 in 10.0 mi East 20.7 mph - N/A   Overcast
10:54 AM 25.0 °F 11.7 °F 19.9 °F 81% 30.12 in 6.0 mi East 17.3 mph 23.0 mph 0.00 in   Overcast
11:10 AM 24.8 °F 11.5 °F 19.4 °F 80% 30.13 in 1.8 mi East 17.3 mph - 0.00 in Snow Light Snow
11:31 AM 24.8 °F 12.4 °F 19.4 °F 80% 30.12 in 1.0 mi ENE 15.0 mph 24.2 mph 0.00 in Snow Light Snow
11:54 AM 25.0 °F 17.1 °F 21.0 °F 85% 30.17 in 0.2 mi ENE 6.9 mph - 0.00 in Fog , Snow Snow
12:01 PM 24.8 °F 15.3 °F 21.2 °F 86% 30.14 in 0.2 mi NE 9.2 mph - 0.00 in Fog , Snow Heavy Snow
12:11 PM 24.8 °F 15.3 °F 21.2 °F 86% 30.13 in 0.2 mi NE 9.2 mph - 0.00 in Fog , Snow Heavy Snow
12:24 PM 24.8 °F 16.9 °F 21.2 °F 86% 30.16 in 0.2 mi North 6.9 mph - 0.00 in Fog , Snow Heavy Snow
12:36 PM 24.8 °F 16.9 °F 21.2 °F 86% 30.16 in 0.2 mi NE 6.9 mph - 0.00 in Fog , Snow Snow
12:54 PM 24.1 °F 13.7 °F 21.9 °F 91% 30.16 in 0.2 mi NE 10.4 mph - 0.00 in Fog , Snow Heavy Snow
1:04 PM 24.8 °F 13.4 °F 21.2 °F 86% 30.12 in 0.2 mi NE 12.7 mph - 0.00 in Fog , Snow Heavy Snow
1:17 PM 24.8 °F 15.3 °F 21.2 °F 86% 30.15 in 0.2 mi NE 9.2 mph - 0.00 in Fog , Snow Heavy Snow
1:26 PM 24.8 °F 12.9 °F 21.2 °F 86% 30.14 in 0.2 mi NE 13.8 mph - 0.00 in Fog , Snow Heavy Snow
1:45 PM 24.8 °F 11.9 °F 21.2 °F 86% 30.11 in 0.2 mi ENE 16.1 mph - 0.00 in Fog , Snow Heavy Snow
1:54 PM 24.1 °F 13.1 °F 21.9 °F 91% 30.12 in 0.2 mi ENE 11.5 mph - 0.00 in Fog , Snow Snow
2:13 PM 24.8 °F 12.9 °F 21.2 °F 86% 30.08 in 0.2 mi East 13.8 mph - 0.00 in Fog , Snow Heavy Snow
2:52 PM 24.8 °F 10.0 °F 21.2 °F 86% 30.01 in 0.5 mi East 21.9 mph 27.6 mph 0.00 in Fog , Snow Light Snow
2:54 PM 25.0 °F 10.2 °F 21.9 °F 88% 30.02 in 0.5 mi East 21.9 mph 27.6 mph 0.00 in Fog , Snow Light Snow
3:24 PM 24.8 °F 9.6 °F 21.2 °F 86% 29.97 in 0.2 mi East 23.0 mph - 0.00 in Fog , Snow Light Snow
3:40 PM 26.6 °F 11.4 °F 23.0 °F 86% 29.95 in 1.0 mi East 25.3 mph 35.7 mph 0.00 in Snow Light Snow
3:54 PM 27.0 °F 12.5 °F 23.0 °F 85% 29.95 in 1.5 mi East 23.0 mph 33.4 mph 0.00 in   Overcast
4:01 PM 28.4 °F 13.5 °F 24.8 °F 86% 29.91 in 1.8 mi East 26.5 mph 39.1 mph 0.00 in Rain Light Freezing Rain
4:17 PM 28.4 °F 14.4 °F 24.8 °F 86% 29.91 in 1.5 mi East 23.0 mph 33.4 mph N/A Rain Light Freezing Rain
4:46 PM 28.4 °F 15.8 °F 24.8 °F 86% 29.90 in 2.5 mi East 18.4 mph - N/A Rain Light Freezing Rain
4:54 PM 28.0 °F 15.3 °F 25.0 °F 88% 29.92 in 5.0 mi East 18.4 mph - N/A Rain Light Freezing Rain
5:54 PM 30.0 °F 17.5 °F 27.0 °F 88% 29.90 in 3.0 mi East 19.6 mph 24.2 mph N/A Rain Light Freezing Rain
6:06 PM 30.2 °F 16.8 °F 26.6 °F 86% 29.87 in 5.0 mi East 23.0 mph - N/A Rain Light Freezing Rain
6:41 PM 30.2 °F 19.3 °F 26.6 °F 86% 29.89 in 10.0 mi ESE 15.0 mph - N/A   Overcast
6:54 PM 30.9 °F 19.4 °F 27.0 °F 85% 29.88 in 9.0 mi ESE 17.3 mph - N/A   Overcast
7:54 PM 30.9 °F 19.1 °F 27.0 °F 85% 29.87 in 10.0 mi ESE 18.4 mph - N/A   Overcast
8:46 PM 30.2 °F 20.2 °F 28.4 °F 93% 29.87 in 2.5 mi SE 12.7 mph - N/A Rain Light Freezing Rain
8:54 PM 30.9 °F 22.2 °F 28.9 °F 92% 29.88 in 2.0 mi SE 10.4 mph - N/A Rain Light Freezing Rain
9:54 PM 30.9 °F 23.5 °F 28.9 °F 92% 29.87 in 2.5 mi SE 8.1 mph - N/A Rain Light Freezing Rain
10:14 PM 30.2 °F 22.6 °F 30.2 °F 100% 29.85 in 3.0 mi ESE 8.1 mph - N/A Rain Light Freezing Rain
10:41 PM 30.2 °F 23.4 °F 30.2 °F 100% 29.84 in 5.0 mi ESE 6.9 mph - N/A   Overcast
10:54 PM 30.9 °F 22.8 °F 28.9 °F 92% 29.85 in 5.0 mi ESE 9.2 mph - N/A   Overcast
11:30 PM 30.2 °F 24.3 °F 30.2 °F 100% 29.83 in 2.5 mi ESE 5.8 mph - N/A   Overcast
11:54 PM 30.9 °F 25.2 °F 30.0 °F 96% 29.84 in 1.8 mi SSE 5.8 mph - N/A Snow Light Snow
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