Weather History for KSTL - December, 2011

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Friday, December 30, 2011

  Actual Average Record
Temperature  
Mean Temperature 51 °F 32 °F  
Max Temperature 58 °F 40 °F 72 °F (1965)
Min Temperature 44 °F 24 °F -5 °F (1880)
Degree Days  
Heating Degree Days 14 33  
Month to date heating degree days 723 906  
Since 1 July heating degree days 1379 1732  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 2014 1646  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 56    
Maximum Humidity 68    
Minimum Humidity 43    
Precipitation  
Precipitation 0.01 in 0.08 in 0.98 in (1973)
Month to date precipitation 3.12 2.75  
Year to date precipitation 47.17 40.87  
Snow  
Snow 0.00 in 0.10 in 10.50 in (1973)
Month to date snowfall 2.0 4.2  
Since 1 July snowfall 2.0 4.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.70 in    
Wind  
Wind Speed 19 mph (WSW)    
Max Wind Speed 28 mph    
Max Gust Speed 48 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 30, 2011 Rise Set
Actual Time 7:19 AM CST 4:48 PM CST
Civil Twilight 6:49 AM CST 5:18 PM CST
Nautical Twilight 6:16 AM CST 5:51 PM CST
Astronomical Twilight 5:43 AM CST 6:24 PM CST
Moon 10:42 AM CST (12/30) 11:19 PM CST (12/30)
Length of Visible Light 10h 29m
Length of Day
9h 29m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 30
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

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 51.1 °F - 41.0 °F 68% 29.67 in 10.0 mi South 12.7 mph - 0.00 in Rain Light Rain
1:51 AM 50.0 °F - 42.1 °F 74% 29.67 in 10.0 mi SSE 5.8 mph - 0.01 in   Overcast
2:51 AM 51.1 °F - 41.0 °F 68% 29.64 in 10.0 mi South 11.5 mph - N/A   Overcast
3:51 AM 50.0 °F - 39.9 °F 68% 29.61 in 10.0 mi South 9.2 mph - N/A   Overcast
4:51 AM 50.0 °F - 39.9 °F 68% 29.58 in 10.0 mi South 11.5 mph - N/A   Overcast
5:51 AM 52.0 °F - 39.0 °F 61% 29.57 in 10.0 mi SSW 13.8 mph - 0.00 in   Mostly Cloudy
6:51 AM 51.1 °F - 37.9 °F 61% 29.57 in 10.0 mi WSW 16.1 mph 23.0 mph N/A   Mostly Cloudy
7:51 AM 52.0 °F - 39.0 °F 61% 29.57 in 10.0 mi WSW 19.6 mph 29.9 mph N/A   Mostly Cloudy
8:51 AM 51.1 °F - 37.9 °F 61% 29.59 in 10.0 mi West 21.9 mph 32.2 mph N/A   Overcast
9:51 AM 51.1 °F - 37.0 °F 59% 29.61 in 10.0 mi West 18.4 mph 34.5 mph N/A   Overcast
11:51 AM 55.9 °F - 37.0 °F 49% 29.60 in 10.0 mi WSW 27.6 mph 36.8 mph N/A   Mostly Cloudy
12:51 PM 57.0 °F - 36.0 °F 45% 29.60 in 10.0 mi WSW 26.5 mph 35.7 mph N/A   Mostly Cloudy
1:51 PM 55.9 °F - 33.1 °F 42% 29.62 in 10.0 mi West 25.3 mph 40.3 mph N/A   Mostly Cloudy
2:51 PM 55.4 °F - 33.8 °F 44% 29.67 in 10.0 mi West 25.3 mph 38.0 mph N/A   Mostly Cloudy
3:51 PM 54.0 °F - 33.1 °F 45% 29.73 in 10.0 mi West 21.9 mph 31.1 mph N/A   Mostly Cloudy
4:51 PM 53.6 °F - 33.8 °F 47% 29.76 in 10.0 mi West 26.5 mph 40.3 mph N/A   Overcast
5:51 PM 52.0 °F - 34.0 °F 50% 29.79 in 10.0 mi West 19.6 mph 33.4 mph N/A   Overcast
6:51 PM 51.1 °F - 33.1 °F 50% 29.83 in 10.0 mi WNW 23.0 mph 33.4 mph N/A   Mostly Cloudy
7:51 PM 50.0 °F - 34.0 °F 54% 29.86 in 10.0 mi WNW 21.9 mph 32.2 mph N/A   Mostly Cloudy
8:51 PM 48.9 °F - 34.0 °F 56% 29.88 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Mostly Cloudy
9:51 PM 48.9 °F - 35.1 °F 59% 29.90 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Mostly Cloudy
10:51 PM 48.2 °F - 35.6 °F 62% 29.92 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
11:51 PM 45.0 °F 41.2 °F 36.0 °F 71% 29.92 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy