Weather History for St. Louis, MO

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Thursday, January 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F 33 °F  
Max Temperature 33 °F 41 °F 74 °F (1989)
Min Temperature 12 °F 25 °F -9 °F (1936)
Degree Days  
Heating Degree Days 42 32  
Month to date heating degree days 903 1028  
Since 1 July heating degree days 2502 2794  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 59    
Maximum Humidity 68    
Minimum Humidity 49    
Precipitation  
Precipitation T in 0.08 in 1.62 in (1988)
Month to date precipitation 3.12 2.40  
Year to date precipitation 3.12 2.40  
Snow  
Snow T in 0.20 in 11.20 in (1958)
Month to date snowfall 0.9 5.6  
Since 1 July snowfall 3.0 10.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 18 mph (WNW)    
Max Wind Speed 29 mph    
Max Gust Speed 38 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 31, 2013 Rise Set
Actual Time 7:08 AM CST 5:22 PM CST
Civil Twilight 6:39 AM CST 5:50 PM CST
Nautical Twilight 6:08 AM CST 6:22 PM CST
Astronomical Twilight 5:36 AM CST 6:53 PM CST
Moon 10:20 PM CST (1/31) 9:11 AM CST (1/31)
Length of Visible Light 11h 10m
Length of Day
10h 14m
Waning Gibbous, 79% of the Moon is Illuminated
Jan 31
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full

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 27.0 °F 15.6 °F 17.1 °F 66% 29.96 in 9.0 mi WNW 13.8 mph 20.7 mph 0.00 in Snow Light Snow
1:51 AM 28.0 °F 13.3 °F 14.0 °F 56% 29.98 in 9.0 mi West 25.3 mph 31.1 mph 0.00 in Snow Light Snow
2:51 AM 28.0 °F 16.1 °F 15.1 °F 58% 29.98 in 9.0 mi West 16.1 mph - 0.00 in Snow Light Snow
2:58 AM 28.4 °F 16.6 °F 15.8 °F 59% 29.94 in 9.0 mi West 16.1 mph - 0.00 in Snow Light Snow
3:38 AM 28.4 °F 16.2 °F 15.8 °F 59% 29.94 in 9.0 mi West 17.3 mph - 0.00 in Snow Light Snow
3:51 AM 28.0 °F 15.3 °F 14.0 °F 56% 29.97 in 9.0 mi West 18.4 mph 25.3 mph 0.00 in Snow Light Snow
4:51 AM 28.0 °F 15.7 °F 15.1 °F 58% 29.97 in 10.0 mi West 17.3 mph 24.2 mph 0.00 in   Mostly Cloudy
5:51 AM 28.0 °F 18.1 °F 16.0 °F 61% 29.99 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:51 AM 27.0 °F 16.7 °F 15.1 °F 61% 30.01 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
7:51 AM 28.0 °F 18.1 °F 15.1 °F 58% 30.03 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
8:51 AM 28.9 °F 17.3 °F 16.0 °F 58% 30.04 in 10.0 mi WSW 16.1 mph 19.6 mph N/A   Overcast
9:51 AM 30.0 °F 17.9 °F 17.1 °F 59% 30.07 in 10.0 mi West 18.4 mph 24.2 mph 0.00 in Snow Light Snow
10:51 AM 32.0 °F 20.5 °F 17.1 °F 54% 30.07 in 10.0 mi West 18.4 mph 25.3 mph 0.00 in   Mostly Cloudy
11:51 AM 33.1 °F 21.9 °F 18.0 °F 54% 30.05 in 10.0 mi West 18.4 mph 21.9 mph N/A   Overcast
12:51 PM 33.1 °F 21.2 °F 18.0 °F 54% 30.04 in 10.0 mi West 20.7 mph - N/A   Overcast
1:14 PM 32.0 °F 22.5 °F 19.4 °F 60% 30.00 in 3.0 mi WNW 12.7 mph - 0.00 in Snow Light Snow
1:18 PM 32.0 °F 23.0 °F 21.2 °F 64% 30.00 in 2.0 mi WNW 11.5 mph - 0.00 in Snow Light Snow
2:07 PM 30.2 °F 18.5 °F 23.0 °F 75% 30.02 in 2.0 mi WNW 17.3 mph 23.0 mph 0.00 in Snow Light Snow
2:51 PM 30.0 °F 17.2 °F 18.0 °F 61% 30.09 in 3.0 mi WNW 20.7 mph 32.2 mph 0.00 in Snow Light Snow
2:59 PM 28.4 °F 14.4 °F 15.8 °F 59% 30.05 in 5.0 mi NW 23.0 mph 31.1 mph 0.00 in Snow Light Snow
3:47 PM 26.6 °F 12.0 °F 8.6 °F 47% 30.08 in 10.0 mi WNW 23.0 mph 35.7 mph 0.00 in   Overcast
3:51 PM 27.0 °F 11.6 °F 9.0 °F 47% 30.12 in 10.0 mi NW 26.5 mph 34.5 mph 0.00 in   Mostly Cloudy
4:51 PM 23.0 °F 6.3 °F 8.1 °F 53% 30.18 in 10.0 mi NW 26.5 mph 34.5 mph N/A   Mostly Cloudy
5:51 PM 19.9 °F 5.2 °F 6.1 °F 55% 30.22 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Scattered Clouds
6:51 PM 19.0 °F 2.7 °F 3.9 °F 52% 30.27 in 10.0 mi WNW 20.7 mph 29.9 mph N/A   Scattered Clouds
7:51 PM 19.0 °F 2.4 °F 3.0 °F 50% 30.30 in 10.0 mi WNW 21.9 mph 31.1 mph N/A   Mostly Cloudy
8:51 PM 17.1 °F 0.6 °F 1.0 °F 50% 30.34 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Scattered Clouds
9:51 PM 14.0 °F -3.0 °F -0.9 °F 52% 30.38 in 10.0 mi NW 18.4 mph 28.8 mph N/A   Partly Cloudy
10:51 PM 12.9 °F -4.4 °F -0.9 °F 54% 30.40 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Partly Cloudy
11:51 PM 12.0 °F -5.6 °F -2.0 °F 53% 30.42 in 10.0 mi WNW 18.4 mph 31.1 mph N/A   Partly Cloudy