Weather History for St. Louis, MO

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Tuesday, March 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 45 °F  
Max Temperature 52 °F 54 °F 84 °F (1972)
Min Temperature 30 °F 35 °F 1 °F (1948)
Degree Days  
Heating Degree Days 24 20  
Month to date heating degree days 308 268  
Since 1 July heating degree days 3625 3866  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 23 °F    
Average Humidity 53    
Maximum Humidity 72    
Minimum Humidity 33    
Precipitation  
Precipitation T in 0.10 in 1.42 in (1961)
Month to date precipitation 2.15 1.11  
Year to date precipitation 8.54 5.75  
Snow  
Snow T in 0.10 in 7.00 in (1968)
Month to date snowfall 1.4 1.3  
Since 1 July snowfall 15.0 16.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 28 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 12, 2013 Rise Set
Actual Time 7:16 AM CDT 7:05 PM CDT
Civil Twilight 6:50 AM CDT 7:32 PM CDT
Nautical Twilight 6:19 AM CDT 8:03 PM CDT
Astronomical Twilight 5:48 AM CDT 8:34 PM CDT
Moon 7:24 AM CDT (3/12) 8:19 PM CDT (3/12)
Length of Visible Light 12h 41m
Length of Day
11h 48m
New Moon, 1% of the Moon is Illuminated
Mar 12
New Moon
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 33.8 °F 27.7 °F 24.8 °F 70% 29.99 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
1:51 AM 33.1 °F 26.9 °F 23.0 °F 66% 30.04 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
2:51 AM 30.9 °F 24.3 °F 23.0 °F 72% 30.06 in 10.0 mi West 6.9 mph - N/A   Clear
3:51 AM 30.9 °F 22.8 °F 23.0 °F 72% 30.04 in 10.0 mi West 9.2 mph - N/A   Clear
4:51 AM 30.9 °F 22.2 °F 23.0 °F 72% 30.04 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
5:51 AM 30.9 °F 22.2 °F 23.0 °F 72% 30.08 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
6:51 AM 30.0 °F 21.7 °F 21.9 °F 72% 30.09 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
7:51 AM 30.0 °F 22.4 °F 23.0 °F 75% 30.09 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:51 AM 33.8 °F 26.4 °F 21.2 °F 60% 30.10 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
9:51 AM 36.0 °F 28.5 °F 23.0 °F 59% 30.14 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
10:51 AM 39.9 °F 33.4 °F 23.0 °F 51% 30.14 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
11:51 AM 44.1 °F 38.6 °F 24.1 °F 45% 30.13 in 10.0 mi West 10.4 mph 18.4 mph N/A   Scattered Clouds
12:51 PM 46.9 °F - 25.0 °F 42% 30.13 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
1:51 PM 50.0 °F - 23.0 °F 35% 30.10 in 10.0 mi West 15.0 mph 23.0 mph N/A   Scattered Clouds
2:51 PM 48.0 °F - 23.0 °F 37% 30.09 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Scattered Clouds
3:51 PM 48.0 °F - 25.0 °F 41% 30.09 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Mostly Cloudy
4:51 PM 46.9 °F - 24.1 °F 41% 30.11 in 10.0 mi WNW 21.9 mph 33.4 mph N/A   Mostly Cloudy
5:51 PM 45.0 °F 37.1 °F 26.1 °F 48% 30.12 in 10.0 mi WNW 19.6 mph 33.4 mph N/A   Scattered Clouds
6:51 PM 41.0 °F 31.9 °F 24.1 °F 51% 30.16 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Scattered Clouds
7:51 PM 39.0 °F 31.0 °F 21.9 °F 50% 30.18 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Partly Cloudy
8:51 PM 37.4 °F 30.3 °F 21.2 °F 52% 30.16 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
9:51 PM 37.0 °F 28.5 °F 23.0 °F 57% 30.20 in 10.0 mi WNW 13.8 mph 25.3 mph N/A   Scattered Clouds
10:51 PM 37.0 °F 28.1 °F 23.0 °F 57% 30.22 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Mostly Cloudy
11:51 PM 35.6 °F 24.8 °F 19.4 °F 52% 30.21 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Mostly Cloudy