Weather History for St. Louis, MO

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Wednesday, May 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 64 °F  
Max Temperature 84 °F 74 °F 90 °F (1963)
Min Temperature 57 °F 55 °F 36 °F (1976)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 61 31  
Since 1 July heating degree days 4446 4487  
Cooling Degree Days 6 3  
Month to date cooling degree days 17 18  
Year to date cooling degree days 51 64  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 55    
Maximum Humidity 80    
Minimum Humidity 30    
Precipitation  
Precipitation T in 0.15 in 2.30 in (1961)
Month to date precipitation 2.51 1.15  
Year to date precipitation 19.52 12.80  
Snow  
Snow 0.00 in 0.00 in T in (1923)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 27.9 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 08, 2013 Rise Set
Actual Time 5:55 AM CDT 8:00 PM CDT
Civil Twilight 5:26 AM CDT 8:30 PM CDT
Nautical Twilight 4:50 AM CDT 9:06 PM CDT
Astronomical Twilight 4:11 AM CDT 9:45 PM CDT
Moon 5:03 AM CDT (5/8) 6:59 PM CDT (5/8)
Length of Visible Light 15h 03m
Length of Day
14h 04m
Waning Crescent, 2% of the Moon is Illuminated
May 8
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 61.0 °F 53.1 °F 75% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 60.1 °F 53.1 °F 78% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 60.1 °F 52.0 °F 75% 29.97 in 10.0 mi West 3.5 mph - N/A   Clear
3:51 AM 57.9 °F 52.0 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 57.9 °F 52.0 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 57.9 °F 52.0 °F 81% 30.00 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:51 AM 57.2 °F 51.8 °F 82% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:51 AM 64.9 °F 55.0 °F 70% 30.03 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
8:51 AM 71.1 °F 54.0 °F 55% 30.03 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:51 AM 75.0 °F 55.0 °F 50% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:51 AM 78.1 °F 55.0 °F 45% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:51 AM 79.0 °F 48.0 °F 34% 30.02 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:51 PM 81.0 °F 48.0 °F 31% 30.01 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:51 PM 82.0 °F 48.9 °F 31% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 PM 81.0 °F 48.0 °F 31% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:51 PM 81.0 °F 46.9 °F 30% 29.97 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
4:51 PM 81.0 °F 48.0 °F 31% 29.96 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
5:51 PM 77.0 °F 50.0 °F 39% 29.96 in 10.0 mi SE 8.1 mph - N/A   Overcast
6:36 PM 75.2 °F 51.8 °F 44% 29.99 in 10.0 mi West 20.7 mph - N/A   Overcast
6:51 PM 73.0 °F 54.0 °F 51% 29.99 in 8.0 mi WNW 10.4 mph - 0.00 in Rain Light Rain
7:51 PM 71.1 °F 55.0 °F 57% 29.99 in 10.0 mi West 6.9 mph - 0.00 in   Overcast
8:51 PM 70.0 °F 55.9 °F 61% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
9:51 PM 69.1 °F 57.9 °F 68% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:51 PM 64.9 °F 55.9 °F 73% 29.97 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
11:51 PM 68.0 °F 57.0 °F 68% 29.97 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy