Weather History for St. Louis, MO

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Wednesday, May 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 68 °F  
Max Temperature 78 °F 78 °F 94 °F (1925)
Min Temperature 64 °F 59 °F 37 °F (1883)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 87 66  
Since 1 July heating degree days 4472 4522  
Cooling Degree Days 6 5  
Month to date cooling degree days 115 74  
Year to date cooling degree days 149 120  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 67    
Maximum Humidity 87    
Minimum Humidity 46    
Precipitation  
Precipitation T in 0.16 in 1.31 in (2000)
Month to date precipitation 4.19 3.27  
Year to date precipitation 21.20 14.92  
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 29.74 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

May. 22, 2013 Rise Set
Actual Time 5:43 AM CDT 8:13 PM CDT
Civil Twilight 5:13 AM CDT 8:43 PM CDT
Nautical Twilight 4:35 AM CDT 9:21 PM CDT
Astronomical Twilight 3:53 AM CDT 10:04 PM CDT
Moon 5:37 PM CDT (5/22) 3:46 AM CDT (5/22)
Length of Visible Light 15h 30m
Length of Day
14h 29m
Waxing Gibbous, 91% of the Moon is Illuminated
May 22
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First 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 66.9 °F 62.1 °F 84% 29.72 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
1:51 AM 66.0 °F 62.1 °F 87% 29.70 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
2:51 AM 66.0 °F 61.0 °F 84% 29.69 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
3:51 AM 66.0 °F 60.1 °F 81% 29.68 in 10.0 mi SSW 8.1 mph - 0.00 in   Mostly Cloudy
4:51 AM 64.9 °F 59.0 °F 81% 29.65 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
5:24 AM 64.4 °F 60.8 °F 88% 29.70 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
5:51 AM 64.9 °F 59.0 °F 81% 29.68 in 10.0 mi SW 12.7 mph - N/A   Overcast
6:29 AM 64.4 °F 59.0 °F 83% 29.72 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
6:51 AM 64.9 °F 60.1 °F 84% 29.70 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
7:40 AM 66.2 °F 60.8 °F 83% 29.73 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
7:46 AM 66.2 °F 60.8 °F 83% 29.73 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
7:51 AM 66.0 °F 60.1 °F 81% 29.71 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
8:51 AM 70.0 °F 59.0 °F 68% 29.72 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
9:51 AM 72.0 °F 55.9 °F 57% 29.73 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
10:51 AM 73.9 °F 54.0 °F 50% 29.75 in 10.0 mi WSW 15.0 mph - N/A   Scattered Clouds
11:51 AM 73.0 °F 52.0 °F 48% 29.74 in 10.0 mi WSW 13.8 mph 23.0 mph N/A   Mostly Cloudy
12:51 PM 75.0 °F 53.1 °F 46% 29.74 in 10.0 mi WSW 23.0 mph 26.5 mph N/A   Mostly Cloudy
1:51 PM 75.9 °F 55.9 °F 50% 29.75 in 10.0 mi WSW 13.8 mph 24.2 mph N/A   Mostly Cloudy
2:51 PM 75.9 °F 55.0 °F 48% 29.75 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Mostly Cloudy
3:51 PM 75.0 °F 55.0 °F 50% 29.75 in 10.0 mi WSW 16.1 mph 21.9 mph N/A   Scattered Clouds
4:51 PM 73.9 °F 54.0 °F 50% 29.76 in 10.0 mi WSW 16.1 mph - N/A   Mostly Cloudy
5:51 PM 73.0 °F 54.0 °F 51% 29.77 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
6:51 PM 71.1 °F 53.1 °F 53% 29.78 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
7:51 PM 70.0 °F 53.1 °F 55% 29.80 in 10.0 mi West 13.8 mph 19.6 mph N/A   Mostly Cloudy
8:51 PM 66.9 °F 53.1 °F 61% 29.82 in 10.0 mi WNW 11.5 mph 20.7 mph N/A   Mostly Cloudy
9:51 PM 66.9 °F 52.0 °F 59% 29.84 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
10:51 PM 66.0 °F 53.1 °F 63% 29.86 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
11:51 PM 64.9 °F 52.0 °F 63% 29.86 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy