Weather History for St. Louis, MO

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Thursday, May 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 65 °F  
Max Temperature 76 °F 74 °F 92 °F (1934)
Min Temperature 64 °F 55 °F 35 °F (1966)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 61 34  
Since 1 July heating degree days 4446 4490  
Cooling Degree Days 5 3  
Month to date cooling degree days 22 21  
Year to date cooling degree days 56 67  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 67    
Maximum Humidity 81    
Minimum Humidity 53    
Precipitation  
Precipitation 0.18 in 0.14 in 2.09 in (1949)
Month to date precipitation 2.69 1.29  
Year to date precipitation 19.70 12.94  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2011)
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 29.90 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 09, 2013 Rise Set
Actual Time 5:54 AM CDT 8:01 PM CDT
Civil Twilight 5:25 AM CDT 8:31 PM CDT
Nautical Twilight 4:49 AM CDT 9:07 PM CDT
Astronomical Twilight 4:10 AM CDT 9:46 PM CDT
Moon 5:39 AM CDT (5/9) 7:56 PM CDT (5/9)
Length of Visible Light 15h 05m
Length of Day
14h 06m
Waning Crescent, 0% of the Moon is Illuminated
May 9
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 68.0 °F 57.0 °F 68% 29.96 in 10.0 mi South 4.6 mph - N/A   Overcast
1:51 AM 68.0 °F 57.0 °F 68% 29.94 in 10.0 mi SE 4.6 mph - N/A   Overcast
2:51 AM 68.0 °F 55.9 °F 65% 29.93 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
3:51 AM 68.0 °F 55.9 °F 65% 29.92 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
4:51 AM 68.0 °F 55.9 °F 65% 29.91 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:51 AM 66.9 °F 57.0 °F 70% 29.91 in 10.0 mi South 6.9 mph - N/A   Overcast
6:51 AM 68.0 °F 55.9 °F 65% 29.91 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
7:51 AM 70.0 °F 57.9 °F 65% 29.91 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:51 AM 71.1 °F 57.9 °F 63% 29.91 in 10.0 mi WSW 3.5 mph - N/A   Overcast
9:51 AM 69.1 °F 61.0 °F 75% 29.92 in 8.0 mi Calm Calm - 0.04 in Rain Light Rain
10:51 AM 71.1 °F 61.0 °F 70% 29.93 in 10.0 mi WNW 3.5 mph - 0.00 in Rain Light Rain
11:51 AM 72.0 °F 61.0 °F 68% 29.93 in 3.0 mi WSW 9.2 mph - 0.00 in Rain Light Rain
11:55 AM 69.8 °F 60.8 °F 73% 29.94 in 2.5 mi SW 17.3 mph 27.6 mph 0.05 in Rain , Thunderstorm Thunderstorms and Rain
12:00 PM 68.0 °F 60.8 °F 78% 29.95 in 4.0 mi SSW 13.8 mph 27.6 mph 0.11 in Rain , Thunderstorm Light Thunderstorms and Rain
12:08 PM 68.0 °F 62.6 °F 83% 29.94 in 7.0 mi South 9.2 mph - 0.14 in Rain , Thunderstorm Light Thunderstorms and Rain
12:25 PM 68.0 °F 62.6 °F 83% 29.91 in 10.0 mi SE 8.1 mph - 0.14 in Rain Light Rain
12:51 PM 68.0 °F 63.0 °F 84% 29.88 in 10.0 mi East 3.5 mph - 0.14 in Rain Light Rain
1:51 PM 72.0 °F 62.1 °F 71% 29.88 in 10.0 mi SSW 12.7 mph - 0.00 in   Overcast
2:12 PM 71.6 °F 62.6 °F 73% 29.89 in 10.0 mi South 10.4 mph 17.3 mph N/A   Overcast
2:48 PM 71.6 °F 60.8 °F 69% 29.88 in 10.0 mi SSW 12.7 mph - N/A   Overcast
2:51 PM 72.0 °F 61.0 °F 68% 29.86 in 10.0 mi SSW 16.1 mph - N/A   Overcast
3:51 PM 71.1 °F 60.1 °F 68% 29.85 in 10.0 mi West 13.8 mph 26.5 mph N/A   Mostly Cloudy
4:51 PM 75.0 °F 57.9 °F 55% 29.84 in 10.0 mi WSW 18.4 mph 27.6 mph N/A   Scattered Clouds
5:51 PM 75.9 °F 57.0 °F 52% 29.85 in 10.0 mi WSW 18.4 mph - N/A   Mostly Cloudy
6:51 PM 75.9 °F 57.0 °F 52% 29.83 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
7:51 PM 73.0 °F 55.9 °F 55% 29.85 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
8:51 PM 69.8 °F 57.2 °F 64% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:51 PM 66.9 °F 57.0 °F 70% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:51 PM 66.0 °F 59.0 °F 78% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:51 PM 64.9 °F 57.9 °F 78% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy