Weather History for St. Louis, MO

Sunday, January 20, 2013 — View Current Weather Conditions
Sunday, January 20, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 36 °F 32 °F  
Max Temperature 47 °F 40 °F 72 °F (1906)
Min Temperature 25 °F 24 °F -18 °F (1985)
Degree Days
Heating Degree Days 29 33  
Month to date heating degree days 570 668  
Since 1 July heating degree days 2169 2433  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 14 °F    
Average Humidity 55    
Maximum Humidity 72    
Minimum Humidity 38    
Precipitation
Precipitation 0.00 in 0.08 in 1.63 in (1894)
Month to date precipitation 1.27 1.59  
Year to date precipitation 1.27 1.59  
Snow
Snow 0.00 in 0.20 in 5.70 in (2011)
Month to date snowfall 0.1 3.6  
Since 1 July snowfall 2.2 8.7  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 30.31 in    
Wind
Wind Speed 10 mph (North)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Jan. 20, 2013 Rise Set
Actual Time 7:15 AM CST 5:09 PM CST
Civil Twilight 6:46 AM CST 5:38 PM CST
Nautical Twilight 6:14 AM CST 6:11 PM CST
Astronomical Twilight 5:42 AM CST 6:42 PM CST
Moon 12:10 PM CST (1/20) 1:48 AM CST (1/20)
Length Of Visible Light 10h 51m
Length of Day
9h 54m
Waxing Gibbous, 66% of the Moon is Illuminated
Jan 20
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
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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 45.0 °F 37.4 °F 27.0 °F 49% 30.15 in 9.0 mi NW 18.4 mph 25.3 mph N/A   Clear
1:51 AM 43.0 °F 34.0 °F 24.1 °F 47% 30.19 in 10.0 mi NW 21.9 mph 28.8 mph N/A   Clear
2:51 AM 39.9 °F 32.1 °F 23.0 °F 51% 30.21 in 10.0 mi NW 13.8 mph 24.2 mph N/A   Clear
3:51 AM 37.0 °F 27.4 °F 18.0 °F 46% 30.23 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Clear
4:51 AM 32.0 °F 23.0 °F 24.1 °F 73% 30.27 in 10.0 mi North 11.5 mph - N/A   Clear
5:51 AM 30.0 °F 22.4 °F 18.0 °F 61% 30.30 in 10.0 mi NNW 8.1 mph - N/A   Clear
6:51 AM 28.0 °F 18.6 °F 12.9 °F 53% 30.32 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
7:51 AM 28.0 °F 19.3 °F 10.9 °F 49% 30.34 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
8:51 AM 28.9 °F 19.2 °F 9.0 °F 43% 30.37 in 10.0 mi North 11.5 mph - N/A   Scattered Clouds
9:51 AM 28.9 °F 19.8 °F 10.0 °F 45% 30.38 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
11:51 AM 32.0 °F 23.6 °F 10.0 °F 40% 30.34 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
12:51 PM 32.0 °F 25.6 °F 10.0 °F 40% 30.30 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
1:51 PM 33.1 °F 26.1 °F 10.9 °F 40% 30.33 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
2:51 PM 34.0 °F 28.8 °F 10.9 °F 38% 30.32 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
3:51 PM 32.0 °F 27.5 °F 10.0 °F 40% 30.33 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
4:51 PM 30.9 °F 24.3 °F 10.9 °F 43% 30.34 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
5:51 PM 28.9 °F 21.1 °F 12.0 °F 49% 30.34 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
6:51 PM 30.0 °F 22.4 °F 10.9 °F 45% 30.33 in 10.0 mi North 8.1 mph - N/A   Overcast
7:51 PM 28.0 °F 20.0 °F 12.0 °F 51% 30.34 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
8:51 PM 27.0 °F 17.3 °F 12.0 °F 53% 30.34 in 10.0 mi North 10.4 mph - N/A   Overcast
9:51 PM 27.0 °F 18.0 °F 12.9 °F 56% 30.35 in 10.0 mi North 9.2 mph - N/A   Overcast
10:51 PM 26.1 °F 16.8 °F 12.0 °F 55% 30.34 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:51 PM 25.0 °F 14.8 °F 12.0 °F 58% 30.34 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
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