Weather History for St. Louis, MO

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Monday, February 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 44 °F 35 °F  
Max Temperature 52 °F 44 °F 72 °F (1999)
Min Temperature 35 °F 27 °F -9 °F (1899)
Degree Days  
Heating Degree Days 21 30  
Month to date heating degree days 295 341  
Since 1 July heating degree days 2797 3135  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 45    
Maximum Humidity 59    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.08 in 1.22 in (2009)
Month to date precipitation 1.04 0.87  
Year to date precipitation 4.16 3.27  
Snow  
Snow 0.00 in 0.20 in 2.40 in (1956)
Month to date snowfall 4.0 1.8  
Since 1 July snowfall 7.0 12.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 16 mph (West)    
Max Wind Speed 35 mph    
Max Gust Speed 46 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 11, 2013 Rise Set
Actual Time 6:56 AM CST 5:35 PM CST
Civil Twilight 6:29 AM CST 6:02 PM CST
Nautical Twilight 5:58 AM CST 6:33 PM CST
Astronomical Twilight 5:27 AM CST 7:04 PM CST
Moon 7:23 AM CST (2/11) 7:30 PM CST (2/11)
Length of Visible Light 11h 32m
Length of Day
10h 38m
Waxing Crescent, 3% of the Moon is Illuminated
Feb 11
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 44.1 °F 33.3 °F 26.1 °F 49% 29.83 in 10.0 mi West 34.5 mph 44.9 mph N/A   Partly Cloudy
1:51 AM 42.1 °F 33.9 °F 25.0 °F 51% 29.86 in 10.0 mi WSW 17.3 mph 33.4 mph N/A   Partly Cloudy
2:51 AM 41.0 °F 31.1 °F 25.0 °F 53% 29.89 in 10.0 mi West 23.0 mph 34.5 mph N/A   Partly Cloudy
3:51 AM 39.9 °F 30.5 °F 23.0 °F 51% 29.90 in 10.0 mi West 19.6 mph 28.8 mph N/A   Partly Cloudy
4:51 AM 39.0 °F 29.3 °F 24.1 °F 55% 29.92 in 10.0 mi West 19.6 mph 27.6 mph N/A   Partly Cloudy
5:51 AM 37.9 °F 27.6 °F 24.1 °F 57% 29.93 in 10.0 mi West 20.7 mph 25.3 mph N/A   Partly Cloudy
6:51 AM 37.9 °F 27.6 °F 24.1 °F 57% 29.96 in 10.0 mi West 20.7 mph 25.3 mph N/A   Scattered Clouds
7:51 AM 39.0 °F 29.6 °F 24.1 °F 55% 30.01 in 10.0 mi West 18.4 mph 26.5 mph N/A   Scattered Clouds
8:51 AM 41.0 °F 31.6 °F 26.1 °F 55% 30.02 in 10.0 mi West 20.7 mph 27.6 mph N/A   Partly Cloudy
9:51 AM 43.0 °F 33.5 °F 25.0 °F 49% 30.04 in 10.0 mi West 24.2 mph 34.5 mph N/A   Scattered Clouds
10:51 AM 45.0 °F 36.4 °F 25.0 °F 46% 30.06 in 10.0 mi WNW 23.0 mph 31.1 mph N/A   Scattered Clouds
11:51 AM 46.9 °F - 26.1 °F 44% 30.07 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Partly Cloudy
12:51 PM 48.0 °F - 24.1 °F 39% 30.06 in 10.0 mi WNW 19.6 mph 31.1 mph N/A   Scattered Clouds
1:51 PM 51.1 °F - 25.0 °F 36% 30.06 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
2:51 PM 52.0 °F - 24.1 °F 34% 30.06 in 10.0 mi WNW 15.0 mph 26.5 mph N/A   Scattered Clouds
3:51 PM 52.0 °F - 21.9 °F 31% 30.07 in 10.0 mi West 19.6 mph 25.3 mph N/A   Clear
4:51 PM 50.0 °F - 23.0 °F 35% 30.08 in 10.0 mi WNW 12.7 mph 23.0 mph N/A   Clear
5:51 PM 46.0 °F 41.9 °F 24.1 °F 42% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:51 PM 42.1 °F 37.1 °F 24.1 °F 49% 30.12 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:51 PM 39.9 °F 34.5 °F 25.0 °F 55% 30.13 in 10.0 mi West 8.1 mph - N/A   Clear
8:51 PM 39.9 °F 36.7 °F 25.0 °F 55% 30.14 in 10.0 mi West 4.6 mph - N/A   Clear
9:51 PM 39.0 °F 36.8 °F 25.0 °F 57% 30.16 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:51 PM 37.9 °F 34.4 °F 24.1 °F 57% 30.17 in 10.0 mi West 4.6 mph - N/A   Clear
11:51 PM 35.1 °F 31.0 °F 24.1 °F 64% 30.18 in 10.0 mi WNW 4.6 mph - N/A   Clear