History for St. Louis, MO

Monday, December 10, 2012 — View Current Conditions
Monday, December 10, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 32 °F 36 °F  
Max Temperature 36 °F 44 °F 73 °F (1889)
Min Temperature 27 °F 28 °F -4 °F (1917)
Degree Days
Heating Degree Days 33 29  
Month to date heating degree days 143 274  
Since 1 July heating degree days 1022 1100  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 2217 1646  
Moisture
Dew Point 20 °F    
Average Humidity 67    
Maximum Humidity 75    
Minimum Humidity 59    
Precipitation
Precipitation 0.00 in 0.10 in 2.15 in (1971)
Month to date precipitation 0.88 1.01  
Year to date precipitation 31.18 39.13  
Snow
Snow 0.00 in 0.10 in 4.00 in (1944)
Month to date snowfall 0.0 1.0  
Since 1 July snowfall 0.0 1.7  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 30.00 in    
Wind
Wind Speed 12 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 28 mph    
Visibility 10 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 7:09 AM CST 4:39 PM CST
Civil Twilight 6:39 AM CST 5:09 PM CST
Nautical Twilight 6:06 AM CST 5:42 PM CST
Astronomical Twilight 5:33 AM CST 6:15 PM CST
Moon 3:53 AM CST (12/10) 2:28 PM CST (12/10)
Length Of Visible Light 10h 30m
Length of Day
9h 30m
Waning Crescent, 10% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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
12:09 AM 35.6 °F 25.2 °F 28.4 °F 75% 29.90 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Mostly Cloudy
12:51 AM 32.0 °F 18.9 °F 24.1 °F 73% 29.93 in 10.0 mi West 24.2 mph 27.6 mph N/A   Mostly Cloudy
1:51 AM 30.9 °F 19.4 °F 23.0 °F 72% 29.94 in 10.0 mi West 17.3 mph 24.2 mph N/A   Overcast
2:51 AM 30.9 °F 20.2 °F 23.0 °F 72% 29.92 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Overcast
3:51 AM 28.9 °F 19.2 °F 21.0 °F 72% 29.92 in 10.0 mi WNW 11.5 mph - N/A   Overcast
4:51 AM 28.9 °F 17.7 °F 21.0 °F 72% 29.91 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Overcast
5:51 AM 28.0 °F 16.1 °F 19.9 °F 72% 29.92 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Overcast
6:51 AM 27.0 °F 15.6 °F 19.0 °F 72% 29.97 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Overcast
7:51 AM 27.0 °F 15.6 °F 18.0 °F 69% 29.99 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Overcast
8:51 AM 27.0 °F 15.2 °F 18.0 °F 69% 30.00 in 10.0 mi West 15.0 mph - N/A   Overcast
9:51 AM 27.0 °F 14.7 °F 19.0 °F 72% 30.01 in 10.0 mi WNW 16.1 mph - N/A   Overcast
10:51 AM 28.0 °F 16.1 °F 19.0 °F 69% 30.00 in 10.0 mi West 16.1 mph - N/A   Overcast
11:51 AM 28.0 °F 17.5 °F 19.0 °F 69% 29.99 in 10.0 mi WNW 12.7 mph - N/A   Overcast
12:51 PM 28.9 °F 19.8 °F 19.0 °F 67% 29.98 in 10.0 mi WNW 10.4 mph - N/A   Overcast
1:15 PM 30.2 °F 19.3 °F 19.4 °F 64% 29.94 in 10.0 mi West 15.0 mph 18.4 mph N/A   Overcast
1:51 PM 30.0 °F 21.7 °F 19.9 °F 66% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:51 PM 30.9 °F 20.7 °F 19.9 °F 64% 29.99 in 10.0 mi WNW 13.8 mph 18.4 mph N/A   Overcast
3:10 PM 30.2 °F 19.3 °F 19.4 °F 64% 29.97 in 10.0 mi WNW 15.0 mph - N/A   Overcast
3:51 PM 30.9 °F 22.8 °F 19.9 °F 64% 30.01 in 10.0 mi WNW 9.2 mph - N/A   Overcast
4:51 PM 30.9 °F 21.7 °F 19.0 °F 61% 30.03 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Overcast
5:51 PM 30.9 °F 22.8 °F 19.9 °F 64% 30.05 in 10.0 mi WNW 9.2 mph - N/A   Overcast
6:51 PM 32.0 °F 24.8 °F 19.9 °F 61% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
7:15 PM 32.0 °F 24.2 °F 19.4 °F 60% 30.04 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
7:51 PM 30.9 °F 23.5 °F 19.9 °F 64% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
8:51 PM 30.9 °F 25.2 °F 19.0 °F 61% 30.08 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
9:51 PM 30.0 °F 23.2 °F 19.0 °F 64% 30.09 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
10:51 PM 28.9 °F 22.8 °F 19.0 °F 67% 30.10 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
11:51 PM 27.0 °F 19.5 °F 19.0 °F 72% 30.11 in 10.0 mi West 6.9 mph - N/A   Clear
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