History for St. Louis, MO

Wednesday, February 13, 2013 — View Current Conditions
Wednesday, February 13, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 45 °F 36 °F  
Max Temperature 55 °F 44 °F 83 °F (1962)
Min Temperature 35 °F 27 °F -18 °F (1905)
Degree Days
Heating Degree Days 20 29  
Month to date heating degree days 343 400  
Since 1 July heating degree days 2845 3194  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 28 °F    
Average Humidity 51    
Maximum Humidity 70    
Minimum Humidity 32    
Precipitation
Precipitation 0.00 in 0.08 in 1.40 in (1874)
Month to date precipitation 1.04 1.04  
Year to date precipitation 4.16 3.44  
Snow
Snow 0.00 in 0.10 in 11.70 in (1914)
Month to date snowfall 4.0 2.1  
Since 1 July snowfall 7.0 12.8  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 29.88 in    
Wind
Wind Speed 8 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Radar Archive
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Local Photos
Waxing crescent
The moon tonight before it set at 16 percent illumination. Taken at 720mm, cropped from original frame.
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Astronomy
May. 20, 2013 Rise Set
Actual Time 6:54 AM CST 5:37 PM CST
Civil Twilight 6:27 AM CST 6:04 PM CST
Nautical Twilight 5:56 AM CST 6:35 PM CST
Astronomical Twilight 5:25 AM CST 7:06 PM CST
Moon 8:26 AM CST (2/13) 9:36 PM CST (2/13)
Length Of Visible Light 11h 37m
Length of Day
10h 42m
Waxing Crescent, 14% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 39.0 °F - 28.9 °F 67% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
1:51 AM 37.9 °F 33.5 °F 28.9 °F 70% 29.95 in 10.0 mi West 5.8 mph - N/A   Overcast
2:51 AM 37.9 °F - 28.9 °F 70% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
3:51 AM 37.9 °F 34.4 °F 28.0 °F 68% 29.91 in 10.0 mi West 4.6 mph - N/A   Overcast
4:51 AM 37.9 °F 34.4 °F 28.0 °F 68% 29.90 in 10.0 mi West 4.6 mph - N/A   Overcast
5:51 AM 37.0 °F 34.5 °F 28.0 °F 70% 29.90 in 10.0 mi West 3.5 mph - N/A   Overcast
6:51 AM 36.0 °F 33.3 °F 27.0 °F 70% 29.91 in 10.0 mi West 3.5 mph - N/A   Overcast
7:51 AM 36.0 °F 30.3 °F 27.0 °F 70% 29.92 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
8:51 AM 39.9 °F 33.9 °F 28.0 °F 63% 29.92 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
9:51 AM 45.0 °F 40.1 °F 28.0 °F 52% 29.90 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
10:51 AM 48.9 °F - 27.0 °F 43% 29.89 in 10.0 mi West 5.8 mph - N/A   Clear
11:51 AM 51.1 °F - 27.0 °F 39% 29.88 in 10.0 mi West 10.4 mph - N/A   Clear
12:51 PM 53.1 °F - 27.0 °F 37% 29.85 in 10.0 mi West 12.7 mph 20.7 mph N/A   Partly Cloudy
1:51 PM 54.0 °F - 25.0 °F 33% 29.83 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
2:51 PM 54.0 °F - 25.0 °F 33% 29.82 in 10.0 mi West 13.8 mph 24.2 mph N/A   Scattered Clouds
3:51 PM 54.0 °F - 25.0 °F 33% 29.83 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
4:51 PM 52.0 °F - 26.1 °F 37% 29.84 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
5:51 PM 48.9 °F - 27.0 °F 43% 29.85 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
6:51 PM 46.9 °F - 28.0 °F 48% 29.86 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
7:51 PM 45.0 °F 42.6 °F 28.0 °F 52% 29.87 in 10.0 mi West 4.6 mph - N/A   Clear
8:51 PM 43.0 °F 36.8 °F 28.9 °F 58% 29.88 in 10.0 mi SW 11.5 mph - N/A   Clear
9:51 PM 42.1 °F 36.1 °F 30.9 °F 65% 29.88 in 10.0 mi SW 10.4 mph - N/A   Clear
11:51 PM 41.0 °F 35.2 °F 30.9 °F 67% 29.86 in 10.0 mi SW 9.2 mph - N/A   Clear
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