History for St. Charles, MO

Wednesday, January 23, 2013 — View Current Conditions
Wednesday, January 23, 2013
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 24 °F 32 °F  
Max Temperature 39 °F 40 °F 75 °F (1967)
Min Temperature 10 °F 24 °F -11 °F (1963)
Degree Days
Heating Degree Days 40 33  
Month to date heating degree days 767  
Since 1 July heating degree days 2532  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 15 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 49    
Precipitation
Precipitation 0.00 in 0.07 in 0.87 in (1999)
Month to date precipitation 1.81  
Year to date precipitation 1.81  
Snow
Snow 0.00 in 0.20 in 3.60 in (1977)
Month to date snowfall 4.2  
Since 1 July snowfall 9.3  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.29 in    
Wind
Wind Speed 3 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 25, 2013 Rise Set
Actual Time 7:14 AM CST 5:13 PM CST
Civil Twilight 6:46 AM CST 5:41 PM CST
Nautical Twilight 6:13 AM CST 6:14 PM CST
Astronomical Twilight 5:42 AM CST 6:45 PM CST
Moon 2:24 PM CST (1/23) 4:25 AM CST (1/23)
Length Of Visible Light 10h 55m
Length of Day
9h 58m
Waxing Gibbous, 89% of the Moon is Illuminated
Jan 23
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
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
12:54 AM 12.0 °F - 9.0 °F 88% 30.39 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 10.9 °F - 8.1 °F 88% 30.39 in 8.0 mi Calm Calm - N/A   Clear
2:54 AM 10.9 °F - 8.1 °F 88% 30.37 in 8.0 mi Calm Calm - N/A   Clear
3:54 AM 10.0 °F - 6.1 °F 84% 30.35 in 8.0 mi Calm Calm - N/A   Clear
4:54 AM 10.9 °F - 8.1 °F 88% 30.34 in 8.0 mi Calm Calm - N/A   Clear
5:54 AM 10.0 °F 3.6 °F 8.1 °F 92% 30.34 in 7.0 mi ENE 3.5 mph - N/A   Clear
6:54 AM 10.9 °F 2.9 °F 7.0 °F 84% 30.33 in 7.0 mi East 4.6 mph - N/A   Clear
7:54 AM 14.0 °F 6.5 °F 10.0 °F 84% 30.32 in 5.0 mi East 4.6 mph - N/A   Clear
8:54 AM 18.0 °F 12.7 °F 12.9 °F 81% 30.31 in 7.0 mi ESE 3.5 mph - N/A   Clear
9:54 AM 23.0 °F 17.0 °F 14.0 °F 68% 30.30 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:54 AM 26.1 °F 18.4 °F 16.0 °F 66% 30.27 in 10.0 mi SW 6.9 mph - N/A   Clear
11:54 AM 30.0 °F 25.2 °F 18.0 °F 61% 30.25 in 10.0 mi West 4.6 mph - N/A   Clear
12:54 PM 33.1 °F 28.7 °F 19.9 °F 59% 30.21 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:54 PM 35.1 °F 29.3 °F 19.9 °F 54% 30.18 in 10.0 mi WSW 6.9 mph - N/A   Clear
3:54 PM 39.9 °F 35.8 °F 21.9 °F 49% 30.17 in 10.0 mi West 5.8 mph - N/A   Clear
4:54 PM 39.0 °F - 21.9 °F 50% 30.17 in 10.0 mi Calm Calm - N/A   Clear
5:54 PM 37.0 °F - 21.0 °F 52% 30.19 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 34.0 °F 28.8 °F 21.9 °F 61% 30.22 in 10.0 mi NW 5.8 mph - N/A   Clear
7:54 PM 34.0 °F 25.5 °F 21.0 °F 59% 30.25 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Clear
8:54 PM 33.1 °F 24.9 °F 19.0 °F 56% 30.27 in 10.0 mi NNW 10.4 mph - N/A   Clear
9:54 PM 30.9 °F 22.8 °F 18.0 °F 59% 30.31 in 10.0 mi North 9.2 mph - N/A   Clear
10:54 PM 28.0 °F 18.1 °F 16.0 °F 61% 30.35 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:54 PM 27.0 °F 18.0 °F 15.1 °F 61% 30.38 in 10.0 mi NNW 9.2 mph - N/A   Clear
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