History for St. Louis, MO

Friday, December 7, 2012 — View Current Conditions
Friday, December 7, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 51 °F 37 °F  
Max Temperature 56 °F 45 °F 73 °F (1966)
Min Temperature 46 °F 29 °F -6 °F (1882)
Degree Days
Heating Degree Days 14 28  
Month to date heating degree days 70 188  
Since 1 July heating degree days 949 1014  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 2217 1646  
Growing Degree Days 2 (Base 50)    
Moisture
Dew Point 46 °F    
Average Humidity 85    
Maximum Humidity 93    
Minimum Humidity 77    
Precipitation
Precipitation 0.05 in 0.10 in 0.97 in (1966)
Month to date precipitation 0.38 0.71  
Year to date precipitation 30.68 38.83  
Snow
Snow 0.00 in 0.10 in 3.20 in (1917)
Month to date snowfall 0.0 0.7  
Since 1 July snowfall 0.0 1.4  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 29.87 in    
Wind
Wind Speed 4 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 16 mph    
Visibility 5 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 22, 2013 Rise Set
Actual Time 7:06 AM CST 4:39 PM CST
Civil Twilight 6:36 AM CST 5:09 PM CST
Nautical Twilight 6:03 AM CST 5:42 PM CST
Astronomical Twilight 5:31 AM CST 6:14 PM CST
Moon 12:29 AM CST (12/7) 12:33 PM CST (12/7)
Length Of Visible Light 10h 32m
Length of Day
9h 33m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
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
12:51 AM 48.0 °F - 41.0 °F 77% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
1:51 AM 46.0 °F 44.8 °F 41.0 °F 83% 29.94 in 10.0 mi ESE 3.5 mph - N/A   Overcast
2:51 AM 46.9 °F - 42.1 °F 83% 29.92 in 10.0 mi ESE 4.6 mph - N/A   Overcast
3:22 AM 46.4 °F 44.3 °F 42.8 °F 87% 29.91 in 10.0 mi ESE 4.6 mph - N/A   Overcast
3:51 AM 48.0 °F - 43.0 °F 83% 29.90 in 10.0 mi ESE 4.6 mph - N/A   Overcast
4:06 AM 48.2 °F - 42.8 °F 82% 29.89 in 10.0 mi East 4.6 mph - N/A   Overcast
4:51 AM 48.0 °F - 44.1 °F 86% 29.89 in 9.0 mi ESE 4.6 mph - N/A   Overcast
5:23 AM 48.2 °F - 44.6 °F 87% 29.88 in 8.0 mi East 4.6 mph - N/A   Overcast
5:32 AM 48.2 °F - 44.6 °F 87% 29.88 in 8.0 mi East 4.6 mph - N/A   Overcast
5:51 AM 48.9 °F - 45.0 °F 86% 29.88 in 7.0 mi East 4.6 mph - N/A   Overcast
6:51 AM 48.9 °F - 45.0 °F 86% 29.89 in 6.0 mi East 4.6 mph - N/A   Overcast
7:31 AM 50.0 °F - 46.4 °F 87% 29.88 in 4.0 mi East 4.6 mph - N/A   Overcast
7:51 AM 50.0 °F - 46.9 °F 89% 29.88 in 3.0 mi East 3.5 mph - N/A   Overcast
8:20 AM 50.0 °F - 46.4 °F 87% 29.89 in 2.5 mi ENE 3.5 mph - N/A   Overcast
8:51 AM 51.1 °F - 48.0 °F 89% 29.89 in 2.5 mi East 4.6 mph - N/A   Overcast
9:51 AM 53.1 °F - 48.9 °F 86% 29.89 in 3.0 mi Calm Calm - N/A   Overcast
10:24 AM 53.6 °F - 50.0 °F 88% 29.88 in 4.0 mi Calm Calm - N/A   Overcast
10:44 AM 53.6 °F - 50.0 °F 88% 29.88 in 4.0 mi SW 3.5 mph - N/A   Overcast
10:51 AM 54.0 °F - 50.0 °F 86% 29.88 in 4.0 mi Calm Calm - N/A   Overcast
11:28 AM 53.6 °F - 48.2 °F 82% 29.86 in 5.0 mi Calm Calm - N/A   Haze
11:51 AM 55.0 °F - 50.0 °F 83% 29.85 in 5.0 mi WSW 3.5 mph - N/A   Haze
12:00 PM 55.4 °F - 48.2 °F 77% 29.84 in 6.0 mi WNW 3.5 mph - N/A   Haze
12:51 PM 55.4 °F - 48.2 °F 77% 29.83 in 7.0 mi West 6.9 mph - N/A   Overcast
1:23 PM 55.4 °F - 48.2 °F 77% 29.82 in 6.0 mi NNW 8.1 mph - N/A   Haze
1:51 PM 54.0 °F - 48.0 °F 80% 29.83 in 6.0 mi NNW 8.1 mph - N/A   Haze
2:51 PM 54.0 °F - 48.0 °F 80% 29.84 in 4.0 mi NW 4.6 mph - N/A   Haze
3:31 PM 53.6 °F - 48.2 °F 82% 29.84 in 4.0 mi NNW 9.2 mph - N/A   Haze
3:51 PM 52.0 °F - 46.9 °F 83% 29.84 in 4.0 mi NNW 6.9 mph - N/A   Haze
4:42 PM 51.8 °F - 46.4 °F 82% 29.84 in 3.0 mi WNW 3.5 mph - N/A   Haze
4:51 PM 50.0 °F - 46.0 °F 86% 29.85 in 3.0 mi NW 4.6 mph - N/A   Mostly Cloudy
5:51 PM 50.0 °F - 46.9 °F 89% 29.87 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
6:16 PM 50.0 °F - 46.4 °F 87% 29.87 in 3.0 mi Calm Calm - N/A   Overcast
6:51 PM 50.0 °F - 46.9 °F 89% 29.88 in 3.0 mi NW 3.5 mph - N/A   Mostly Cloudy
7:10 PM 50.0 °F - 46.4 °F 87% 29.87 in 3.0 mi NNW 3.5 mph - N/A   Overcast
7:51 PM 50.0 °F - 46.9 °F 89% 29.88 in 3.0 mi NW 5.8 mph - N/A   Overcast
8:09 PM 50.0 °F - 46.4 °F 87% 29.87 in 3.0 mi NW 4.6 mph - N/A   Overcast
8:37 PM 50.0 °F - 46.4 °F 87% 29.87 in 2.5 mi NW 5.8 mph - N/A   Overcast
8:51 PM 50.0 °F - 46.9 °F 89% 29.87 in 2.5 mi WNW 4.6 mph - N/A   Overcast
9:33 PM 48.2 °F - 46.4 °F 93% 29.87 in 3.0 mi West 4.6 mph - N/A   Overcast
9:51 PM 48.9 °F - 46.0 °F 90% 29.88 in 3.0 mi West 3.5 mph - N/A   Overcast
10:51 PM 48.9 °F - 46.0 °F 90% 29.88 in 3.0 mi NNW 5.8 mph - 0.00 in Rain Light Rain
11:42 PM 48.2 °F - 46.4 °F 93% 29.89 in 3.0 mi WNW 4.6 mph - 0.03 in Rain Light Rain
11:51 PM 48.9 °F - 46.0 °F 90% 29.89 in 3.0 mi WNW 3.5 mph - 0.05 in Rain Light Rain
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