Weather History for St. Louis, MO

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Monday, April 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 55 °F  
Max Temperature 79 °F 65 °F 89 °F (1890)
Min Temperature 63 °F 45 °F 22 °F (1972)
Degree Days  
Heating Degree Days 0 11  
Month to date heating degree days 97 99  
Since 1 July heating degree days 4167 4285  
Cooling Degree Days 6 1  
Month to date cooling degree days 7 8  
Year to date cooling degree days 7 15  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 58    
Maximum Humidity 73    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.12 in 2.41 in (1913)
Month to date precipitation 0.02 0.96  
Year to date precipitation 11.36 8.92  
Snow  
Snow 0.00 in 0.00 in 1.20 in (1982)
Month to date snowfall T 0.2  
Since 1 July snowfall 27.9 17.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 12 mph (South)    
Max Wind Speed 22 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 08, 2013 Rise Set
Actual Time 6:35 AM CDT 7:31 PM CDT
Civil Twilight 6:08 AM CDT 7:59 PM CDT
Nautical Twilight 5:35 AM CDT 8:31 PM CDT
Astronomical Twilight 5:02 AM CDT 9:04 PM CDT
Moon 5:24 AM CDT (4/8) 6:07 PM CDT (4/8)
Length of Visible Light 13h 51m
Length of Day
12h 56m
Waning Crescent, 3% of the Moon is Illuminated
Apr 8
Waning Crescent
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:43 AM 64.4 °F 55.4 °F 73% 29.80 in 10.0 mi SW 16.1 mph 28.8 mph 0.00 in   Overcast
12:51 AM 64.0 °F 55.9 °F 75% 29.78 in 10.0 mi SSW 15.0 mph 28.8 mph 0.00 in   Overcast
1:51 AM 64.0 °F 55.0 °F 73% 29.76 in 10.0 mi South 17.3 mph 27.6 mph N/A   Mostly Cloudy
2:51 AM 64.0 °F 53.1 °F 67% 29.73 in 10.0 mi South 16.1 mph 24.2 mph N/A   Mostly Cloudy
3:51 AM 64.0 °F 53.1 °F 67% 29.73 in 10.0 mi SSW 12.7 mph 20.7 mph N/A   Scattered Clouds
4:51 AM 63.0 °F 52.0 °F 67% 29.73 in 10.0 mi South 15.0 mph - N/A   Scattered Clouds
5:51 AM 63.0 °F 52.0 °F 67% 29.71 in 10.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
6:51 AM 63.0 °F 52.0 °F 67% 29.74 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
7:51 AM 64.9 °F 53.1 °F 65% 29.75 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
8:51 AM 66.0 °F 53.1 °F 63% 29.78 in 10.0 mi SSW 10.4 mph - N/A   Overcast
9:51 AM 69.1 °F 54.0 °F 58% 29.79 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
10:51 AM 72.0 °F 55.0 °F 55% 29.81 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
11:51 AM 75.9 °F 57.0 °F 52% 29.79 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
12:51 PM 75.9 °F 57.0 °F 52% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 PM 77.0 °F 57.9 °F 52% 29.77 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:51 PM 79.0 °F 57.0 °F 47% 29.76 in 10.0 mi SSE 16.1 mph 25.3 mph N/A   Mostly Cloudy
3:51 PM 78.1 °F 55.9 °F 46% 29.75 in 10.0 mi South 13.8 mph 23.0 mph N/A   Mostly Cloudy
5:51 PM 77.0 °F 54.0 °F 45% 29.78 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
6:51 PM 75.9 °F 55.0 °F 48% 29.79 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
7:51 PM 75.0 °F 54.0 °F 48% 29.80 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
8:51 PM 73.0 °F 55.0 °F 53% 29.83 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
9:51 PM 72.0 °F 55.9 °F 57% 29.85 in 10.0 mi SSE 12.7 mph - N/A   Overcast
10:51 PM 71.1 °F 55.0 °F 57% 29.85 in 10.0 mi South 15.0 mph 19.6 mph N/A   Mostly Cloudy
11:51 PM 71.6 °F 55.4 °F 57% 29.88 in 10.0 mi South 10.4 mph - N/A   Overcast