Weather History for St. Louis, MO

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Monday, April 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F 60 °F  
Max Temperature 73 °F 70 °F 91 °F (1925)
Min Temperature 42 °F 50 °F 31 °F (1936)
Degree Days  
Heating Degree Days 7 7  
Month to date heating degree days 235 224  
Since 1 July heating degree days 4305 4410  
Cooling Degree Days 0 2  
Month to date cooling degree days 24 26  
Year to date cooling degree days 24 33  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 38 °F    
Average Humidity 54    
Maximum Humidity 76    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.13 in 4.15 in (1944)
Month to date precipitation 4.52 2.66  
Year to date precipitation 15.86 10.62  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2011)
Month to date snowfall T 0.4  
Since 1 July snowfall 27.9 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 10 mph (SE)    
Max Wind Speed 23 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 22, 2013 Rise Set
Actual Time 6:15 AM CDT 7:45 PM CDT
Civil Twilight 5:47 AM CDT 8:13 PM CDT
Nautical Twilight 5:13 AM CDT 8:47 PM CDT
Astronomical Twilight 4:37 AM CDT 9:22 PM CDT
Moon 4:36 PM CDT (4/22) 4:07 AM CDT (4/22)
Length of Visible Light 14h 26m
Length of Day
13h 30m
Waxing Gibbous, 88% of the Moon is Illuminated
Apr 22
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 50.0 °F - 35.1 °F 57% 30.28 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
1:51 AM 48.0 °F - 36.0 °F 63% 30.26 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
2:51 AM 46.9 °F - 36.0 °F 66% 30.25 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
3:51 AM 46.0 °F 43.1 °F 35.1 °F 66% 30.24 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
4:51 AM 42.1 °F 38.4 °F 35.1 °F 76% 30.24 in 10.0 mi East 5.8 mph - N/A   Clear
5:51 AM 43.0 °F 38.2 °F 36.0 °F 76% 30.23 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
6:51 AM 44.1 °F 40.1 °F 36.0 °F 73% 30.23 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
7:51 AM 51.1 °F - 37.0 °F 59% 30.23 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:51 AM 57.0 °F - 35.1 °F 44% 30.22 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
9:51 AM 61.0 °F - 35.1 °F 38% 30.20 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
10:51 AM 63.0 °F - 37.9 °F 40% 30.19 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
11:51 AM 66.9 °F - 39.0 °F 36% 30.18 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
12:51 PM 69.1 °F - 37.9 °F 32% 30.15 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
1:51 PM 71.1 °F - 39.0 °F 31% 30.11 in 10.0 mi SSE 10.4 mph 16.1 mph N/A   Mostly Cloudy
2:51 PM 70.0 °F - 39.0 °F 32% 30.09 in 10.0 mi SE 8.1 mph 19.6 mph N/A   Mostly Cloudy
3:51 PM 70.0 °F - 39.9 °F 33% 30.04 in 10.0 mi SE 16.1 mph 21.9 mph N/A   Mostly Cloudy
4:51 PM 72.0 °F - 39.9 °F 31% 30.01 in 10.0 mi SSE 17.3 mph 23.0 mph N/A   Mostly Cloudy
5:51 PM 70.0 °F - 39.9 °F 33% 29.99 in 10.0 mi SE 21.9 mph 27.6 mph N/A   Mostly Cloudy
6:51 PM 69.1 °F - 39.9 °F 35% 29.99 in 10.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
7:51 PM 66.9 °F - 42.1 °F 40% 29.99 in 10.0 mi SE 13.8 mph - N/A   Overcast
8:51 PM 66.9 °F - 43.0 °F 42% 30.01 in 10.0 mi SSE 10.4 mph - N/A   Overcast
9:51 PM 66.0 °F - 43.0 °F 43% 30.02 in 10.0 mi SE 8.1 mph - N/A   Overcast
10:51 PM 64.9 °F - 43.0 °F 45% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
11:51 PM 64.0 °F - 44.1 °F 48% 30.01 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy