Weather History for St. Louis, MO

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Friday, May 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 71 °F  
Max Temperature 81 °F 81 °F 98 °F (1934)
Min Temperature 66 °F 62 °F 42 °F (1889)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 102 75  
Since 1 July heating degree days 4487 4530  
Cooling Degree Days 9 7  
Month to date cooling degree days 177 128  
Year to date cooling degree days 211 174  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 78    
Maximum Humidity 87    
Minimum Humidity 69    
Precipitation  
Precipitation 1.74 in 0.16 in 1.74 in (2013)
Month to date precipitation 7.13 4.72  
Year to date precipitation 24.14 16.37  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
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 29.81 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 20 mph    
Max Gust Speed 35 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 31, 2013 Rise Set
Actual Time 5:38 AM CDT 8:20 PM CDT
Civil Twilight 5:07 AM CDT 8:51 PM CDT
Nautical Twilight 4:28 AM CDT 9:30 PM CDT
Astronomical Twilight 3:44 AM CDT 10:14 PM CDT
Moon 12:57 AM CDT (5/31) 12:50 PM CDT (5/31)
Length of Visible Light 15h 43m
Length of Day
14h 41m
Waning Gibbous, 51% of the Moon is Illuminated
May 31
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 66.2 °F - 62.6 °F 88% 29.89 in 7.0 mi South 15.0 mph - 0.02 in Rain , Thunderstorm Light Thunderstorms and Rain
12:22 AM 66.2 °F - 62.6 °F 88% 29.84 in 9.0 mi SE 18.4 mph - 0.05 in Rain , Thunderstorm Light Thunderstorms and Rain
12:30 AM 66.2 °F - 62.6 °F 88% 29.86 in 10.0 mi South 13.8 mph - 0.05 in Rain Light Rain
12:51 AM 66.0 °F - 63.0 °F 90% 29.83 in 10.0 mi South 16.1 mph 24.2 mph 0.05 in Rain Light Rain
1:51 AM 66.0 °F - 62.1 °F 87% 29.81 in 10.0 mi SSE 9.2 mph - 0.00 in   Overcast
2:51 AM 66.9 °F - 63.0 °F 87% 29.76 in 10.0 mi SE 5.8 mph - N/A   Overcast
3:51 AM 66.9 °F - 63.0 °F 87% 29.79 in 10.0 mi South 3.5 mph - N/A   Overcast
4:51 AM 68.0 °F - 62.1 °F 81% 29.78 in 10.0 mi South 3.5 mph - N/A   Overcast
5:51 AM 66.9 °F - 63.0 °F 87% 29.81 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
6:51 AM 69.1 °F - 62.1 °F 78% 29.85 in 10.0 mi South 8.1 mph - N/A   Overcast
7:51 AM 71.1 °F - 63.0 °F 75% 29.85 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
8:51 AM 72.0 °F - 63.0 °F 73% 29.83 in 10.0 mi South 11.5 mph 26.5 mph N/A   Mostly Cloudy
9:51 AM 75.9 °F - 64.9 °F 69% 29.83 in 10.0 mi South 15.0 mph 24.2 mph N/A   Mostly Cloudy
10:51 AM 75.9 °F - 64.9 °F 69% 29.84 in 10.0 mi South 11.5 mph - N/A   Overcast
11:28 AM 75.2 °F - 64.4 °F 69% 29.87 in 10.0 mi South 8.1 mph 17.3 mph N/A Thunderstorm Thunderstorm
11:51 AM 75.9 °F - 64.9 °F 69% 29.86 in 10.0 mi South 8.1 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
12:51 PM 73.9 °F - 66.9 °F 79% 29.84 in 4.0 mi SSE 16.1 mph 21.9 mph 0.02 in Rain , Thunderstorm Thunderstorms and Rain
12:57 PM 73.4 °F - 66.2 °F 78% 29.85 in 3.0 mi SSE 18.4 mph 24.2 mph 0.02 in Rain , Thunderstorm Thunderstorms and Rain
1:07 PM 73.4 °F - 66.2 °F 78% 29.84 in 4.0 mi SSE 12.7 mph 24.2 mph 0.04 in Rain , Thunderstorm Light Thunderstorms and Rain
1:46 PM 71.6 °F - 69.8 °F 94% 29.85 in 4.0 mi South 11.5 mph - 0.14 in Rain Light Rain
1:51 PM 73.0 °F - 69.1 °F 87% 29.83 in 6.0 mi South 13.8 mph - 0.14 in Rain Light Rain
2:51 PM 78.1 °F - 70.0 °F 76% 29.78 in 10.0 mi South 16.1 mph 24.2 mph 0.00 in   Mostly Cloudy
3:51 PM 81.0 °F 84.1 °F 69.1 °F 67% 29.76 in 10.0 mi South 15.0 mph 29.9 mph N/A   Scattered Clouds
4:27 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.79 in 10.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
4:51 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.76 in 10.0 mi South 17.3 mph 26.5 mph N/A   Mostly Cloudy
5:51 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.76 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
6:51 PM 79.0 °F - 69.1 °F 72% 29.72 in 10.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
7:18 PM 78.8 °F - 69.8 °F 74% 29.75 in 10.0 mi SSE 17.3 mph 23.0 mph N/A   Overcast
7:51 PM 78.1 °F - 70.0 °F 76% 29.72 in 7.0 mi SSE 19.6 mph 26.5 mph N/A   Overcast
8:09 PM 78.8 °F - 69.8 °F 74% 29.74 in 7.0 mi SE 19.6 mph 29.9 mph N/A Thunderstorm Thunderstorm
8:17 PM 78.8 °F - 69.8 °F 74% - 0.5 mi North - - N/A Rain , Thunderstorm Heavy Thunderstorms and Rain
8:51 PM 69.8 °F - 62.6 °F 78% 29.81 in 4.0 mi South 6.9 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
9:10 PM 75.2 °F - 69.8 °F 83% 29.81 in 7.0 mi SE 15.0 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
10:51 PM 66.2 °F - 62.6 °F 88% 29.86 in 3.0 mi NW 4.6 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
11:51 PM 68.0 °F - 62.6 °F 83% 29.88 in 5.0 mi West 8.1 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain