Weather History for St. Louis, MO

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Wednesday, January 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 32 °F  
Max Temperature 58 °F 39 °F 65 °F (1876)
Min Temperature 39 °F 24 °F -16 °F (1875)
Degree Days  
Heating Degree Days 16 34  
Month to date heating degree days 276 299  
Since 1 July heating degree days 1875 2064  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 34 °F    
Average Humidity 61    
Maximum Humidity 83    
Minimum Humidity 38    
Precipitation  
Precipitation T in 0.07 in 0.88 in (1987)
Month to date precipitation T 0.76  
Year to date precipitation T 0.76  
Snow  
Snow 0.00 in 0.20 in 9.10 in (1987)
Month to date snowfall 0.1 1.7  
Since 1 July snowfall 2.2 6.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.39 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 09, 2013 Rise Set
Actual Time 7:19 AM CST 4:58 PM CST
Civil Twilight 6:50 AM CST 5:27 PM CST
Nautical Twilight 6:17 AM CST 6:00 PM CST
Astronomical Twilight 5:45 AM CST 6:32 PM CST
Moon 4:58 AM CST (1/9) 2:59 PM CST (1/9)
Length of Visible Light 10h 37m
Length of Day
9h 38m
Waning Crescent, 6% of the Moon is Illuminated
Jan 9
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

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 50.0 °F - 36.0 °F 59% 30.20 in 10.0 mi SW 9.2 mph - 0.00 in Rain Light Rain
1:51 AM 48.9 °F - 37.9 °F 66% 30.22 in 10.0 mi SW 8.1 mph - 0.00 in   Overcast
2:51 AM 50.0 °F - 42.1 °F 74% 30.24 in 10.0 mi WSW 11.5 mph - 0.00 in Rain Light Rain
3:51 AM 51.1 °F - 42.1 °F 71% 30.25 in 10.0 mi West 12.7 mph - 0.00 in   Overcast
4:51 AM 48.0 °F - 41.0 °F 77% 30.28 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:51 AM 45.0 °F 41.8 °F 39.9 °F 82% 30.30 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
6:51 AM 43.0 °F 40.3 °F 37.9 °F 82% 30.34 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
7:51 AM 41.0 °F 38.0 °F 36.0 °F 82% 30.37 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
8:51 AM 48.0 °F - 37.9 °F 68% 30.38 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
9:51 AM 51.1 °F - 36.0 °F 56% 30.41 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
10:51 AM 54.0 °F - 34.0 °F 47% 30.42 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:51 AM 55.4 °F - 33.8 °F 44% 30.40 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
12:51 PM 55.9 °F - 34.0 °F 44% 30.40 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
1:51 PM 57.9 °F - 33.1 °F 39% 30.40 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
2:51 PM 55.9 °F - 30.9 °F 39% 30.41 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
3:51 PM 54.0 °F - 30.0 °F 40% 30.43 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
4:51 PM 50.0 °F - 28.9 °F 44% 30.43 in 10.0 mi North 3.5 mph - N/A   Overcast
5:51 PM 46.9 °F - 30.0 °F 52% 30.46 in 10.0 mi Calm Calm - N/A   Overcast
6:51 PM 48.0 °F - 30.9 °F 52% 30.48 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:51 PM 48.0 °F - 30.9 °F 52% 30.48 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:51 PM 45.0 °F 41.2 °F 30.0 °F 56% 30.48 in 10.0 mi ENE 6.9 mph - N/A   Overcast
9:51 PM 39.9 °F 35.8 °F 30.0 °F 68% 30.49 in 10.0 mi East 5.8 mph - N/A   Overcast
10:51 PM 44.1 °F 39.5 °F 32.0 °F 63% 30.48 in 10.0 mi East 8.1 mph - N/A   Overcast
11:51 PM 42.1 °F 37.7 °F 30.9 °F 65% 30.47 in 10.0 mi SE 6.9 mph - N/A   Overcast