Weather History for St. Louis, MO

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Friday, April 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F 59 °F  
Max Temperature 53 °F 69 °F 88 °F (1948)
Min Temperature 39 °F 49 °F 26 °F (1983)
Degree Days  
Heating Degree Days 19 8  
Month to date heating degree days 196 202  
Since 1 July heating degree days 4266 4388  
Cooling Degree Days 0 2  
Month to date cooling degree days 24 20  
Year to date cooling degree days 24 27  
Moisture  
Dew Point 26 °F    
Average Humidity 49    
Maximum Humidity 65    
Minimum Humidity 32    
Precipitation  
Precipitation T in 0.12 in 1.83 in (1874)
Month to date precipitation 4.52 2.28  
Year to date precipitation 15.86 10.24  
Snow  
Snow T in 0.00 in T in (2013)
Month to date snowfall T 0.3  
Since 1 July snowfall 27.9 17.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 17 mph (West)    
Max Wind Speed 31 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 19, 2013 Rise Set
Actual Time 6:19 AM CDT 7:42 PM CDT
Civil Twilight 5:51 AM CDT 8:10 PM CDT
Nautical Twilight 5:18 AM CDT 8:43 PM CDT
Astronomical Twilight 4:43 AM CDT 9:18 PM CDT
Moon 1:30 PM CDT (4/19) 2:30 AM CDT (4/19)
Length of Visible Light 14h 18m
Length of Day
13h 23m
First Quarter, 62% of the Moon is Illuminated
Apr 19
First Quarter
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
12:38 AM 41.0 °F 31.6 °F 28.4 °F 61% 29.77 in 10.0 mi WNW 20.7 mph 36.8 mph N/A   Overcast
12:51 AM 41.0 °F 32.2 °F 28.9 °F 62% 29.77 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Overcast
1:51 AM 41.0 °F 32.8 °F 28.9 °F 62% 29.77 in 10.0 mi West 16.1 mph 26.5 mph N/A   Overcast
2:51 AM 41.0 °F 31.4 °F 30.0 °F 65% 29.77 in 10.0 mi WNW 21.9 mph 27.6 mph N/A   Overcast
3:51 AM 41.0 °F 30.7 °F 28.0 °F 60% 29.78 in 10.0 mi West 25.3 mph 29.9 mph N/A   Overcast
4:51 AM 39.9 °F 31.1 °F 27.0 °F 60% 29.79 in 10.0 mi West 17.3 mph 25.3 mph N/A   Overcast
5:51 AM 39.9 °F 30.2 °F 26.1 °F 58% 29.81 in 10.0 mi West 20.7 mph - N/A   Overcast
6:51 AM 39.9 °F 30.5 °F 25.0 °F 55% 29.83 in 10.0 mi West 19.6 mph 32.2 mph N/A   Overcast
7:51 AM 39.0 °F 29.0 °F 25.0 °F 57% 29.88 in 10.0 mi West 20.7 mph 35.7 mph N/A   Overcast
8:51 AM 39.0 °F 29.6 °F 26.1 °F 60% 29.88 in 10.0 mi West 18.4 mph 32.2 mph 0.00 in   Unknown
9:51 AM 39.9 °F 31.1 °F 26.1 °F 58% 29.89 in 10.0 mi West 17.3 mph 23.0 mph 0.00 in   Overcast
10:51 AM 41.0 °F 31.1 °F 26.1 °F 55% 29.90 in 10.0 mi West 23.0 mph 33.4 mph N/A   Overcast
11:51 AM 43.0 °F 34.5 °F 26.1 °F 51% 29.91 in 10.0 mi West 19.6 mph 29.9 mph N/A   Mostly Cloudy
12:51 PM 46.0 °F 37.4 °F 27.0 °F 47% 29.90 in 10.0 mi West 25.3 mph 33.4 mph N/A   Mostly Cloudy
1:51 PM 50.0 °F - 28.0 °F 43% 29.90 in 10.0 mi West 18.4 mph 26.5 mph N/A   Mostly Cloudy
2:51 PM 52.0 °F - 26.1 °F 37% 29.90 in 10.0 mi West 25.3 mph 31.1 mph N/A   Mostly Cloudy
3:51 PM 53.1 °F - 25.0 °F 34% 29.91 in 10.0 mi West 26.5 mph 33.4 mph N/A   Mostly Cloudy
4:51 PM 51.1 °F - 24.1 °F 35% 29.93 in 10.0 mi WNW 15.0 mph 28.8 mph N/A   Mostly Cloudy
5:51 PM 51.1 °F - 24.1 °F 35% 29.96 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Mostly Cloudy
6:51 PM 50.0 °F - 25.0 °F 38% 29.99 in 10.0 mi WNW 15.0 mph 29.9 mph N/A   Scattered Clouds
7:51 PM 46.9 °F - 24.1 °F 41% 30.02 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Scattered Clouds
8:51 PM 46.0 °F 41.0 °F 24.1 °F 42% 30.04 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
9:51 PM 44.1 °F 40.8 °F 25.0 °F 47% 30.07 in 10.0 mi West 5.8 mph - N/A   Clear
10:51 PM 43.0 °F 38.2 °F 26.1 °F 51% 30.08 in 10.0 mi West 8.1 mph - N/A   Clear
11:51 PM 42.1 °F 37.7 °F 25.0 °F 51% 30.09 in 10.0 mi West 6.9 mph - N/A   Clear