Weather History for St. Louis, MO

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Wednesday, January 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 32 °F 32 °F  
Max Temperature 43 °F 40 °F 71 °F (1990)
Min Temperature 20 °F 23 °F -14 °F (1977)
Degree Days  
Heating Degree Days 33 33  
Month to date heating degree days 475 536  
Since 1 July heating degree days 2074 2301  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 60    
Maximum Humidity 84    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.07 in 1.06 in (1907)
Month to date precipitation 1.27 1.28  
Year to date precipitation 1.27 1.28  
Snow  
Snow 0.00 in 0.20 in 10.90 in (1978)
Month to date snowfall 0.1 2.9  
Since 1 July snowfall 2.2 8.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 16, 2013 Rise Set
Actual Time 7:17 AM CST 5:05 PM CST
Civil Twilight 6:48 AM CST 5:34 PM CST
Nautical Twilight 6:15 AM CST 6:07 PM CST
Astronomical Twilight 5:44 AM CST 6:39 PM CST
Moon 9:58 AM CST (1/16) 10:52 PM CST (1/16)
Length of Visible Light 10h 45m
Length of Day
9h 47m
Waxing Crescent, 28% of the Moon is Illuminated
Jan 16
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
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 25.0 °F 17.1 °F 19.0 °F 78% 30.19 in 9.0 mi NW 6.9 mph - N/A   Scattered Clouds
1:51 AM 23.0 °F - 17.1 °F 78% 30.19 in 9.0 mi Calm Calm - N/A   Partly Cloudy
3:51 AM 21.0 °F 16.2 °F 16.0 °F 81% 30.18 in 9.0 mi WNW 3.5 mph - N/A   Clear
4:51 AM 21.0 °F 14.6 °F 16.0 °F 81% 30.16 in 8.0 mi West 4.6 mph - N/A   Clear
6:51 AM 21.0 °F 14.6 °F 16.0 °F 81% 30.17 in 8.0 mi WSW 4.6 mph - N/A   Partly Cloudy
7:51 AM 23.0 °F 17.0 °F 16.0 °F 74% 30.18 in 8.0 mi West 4.6 mph - N/A   Scattered Clouds
8:51 AM 26.1 °F 17.6 °F 18.0 °F 71% 30.17 in 8.0 mi SW 8.1 mph - N/A   Scattered Clouds
9:51 AM 30.0 °F 20.0 °F 16.0 °F 56% 30.17 in - West 12.7 mph - N/A   Partly Cloudy
10:51 AM 34.0 °F 26.0 °F 15.1 °F 46% 30.14 in 9.0 mi SW 10.4 mph - N/A   Partly Cloudy
11:51 AM 37.9 °F 32.7 °F 15.1 °F 39% 30.11 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
12:51 PM 39.9 °F 32.9 °F 16.0 °F 38% 30.09 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
1:51 PM 41.0 °F 33.9 °F 18.0 °F 40% 30.08 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
2:51 PM 43.0 °F 35.4 °F 18.0 °F 37% 30.06 in 10.0 mi WSW 16.1 mph - N/A   Partly Cloudy
3:51 PM 42.1 °F 34.9 °F 19.0 °F 40% 30.08 in 10.0 mi WSW 13.8 mph - N/A   Partly Cloudy
4:51 PM 39.9 °F 32.9 °F 19.0 °F 43% 30.09 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
5:51 PM 37.0 °F 31.6 °F 19.9 °F 50% 30.12 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
6:51 PM 37.0 °F 34.5 °F 19.9 °F 50% 30.14 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
7:51 PM 36.0 °F 32.1 °F 19.9 °F 52% 30.14 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
8:51 PM 34.0 °F 31.0 °F 21.0 °F 59% 30.15 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
9:51 PM 33.1 °F 26.9 °F 21.9 °F 64% 30.14 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
10:51 PM 34.0 °F 27.2 °F 21.9 °F 61% 30.14 in 10.0 mi West 8.1 mph - N/A   Clear
11:51 PM 35.1 °F 30.1 °F 23.0 °F 61% 30.15 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy