Weather History for St. Louis, MO

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Tuesday, February 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 29 °F 37 °F  
Max Temperature 34 °F 46 °F 76 °F (1930)
Min Temperature 24 °F 29 °F -3 °F (1936)
Degree Days  
Heating Degree Days 36 28  
Month to date heating degree days 507 571  
Since 1 July heating degree days 3009 3365  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 14 °F    
Average Humidity 53    
Maximum Humidity 64    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.08 in 3.96 in (1882)
Month to date precipitation 1.20 1.52  
Year to date precipitation 4.32 3.92  
Snow  
Snow 0.00 in 0.10 in 9.30 in (1911)
Month to date snowfall 4.0 3.0  
Since 1 July snowfall 7.0 13.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 16 mph (WNW)    
Max Wind Speed 29 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 19, 2013 Rise Set
Actual Time 6:47 AM CST 5:43 PM CST
Civil Twilight 6:20 AM CST 6:11 PM CST
Nautical Twilight 5:49 AM CST 6:42 PM CST
Astronomical Twilight 5:18 AM CST 7:12 PM CST
Moon 12:17 PM CST (2/19) 2:17 AM CST (2/19)
Length of Visible Light 11h 50m
Length of Day
10h 56m
Waxing Gibbous, 67% of the Moon is Illuminated
Feb 19
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 33.8 °F 22.2 °F 21.2 °F 60% 29.92 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Mostly Cloudy
12:51 AM 32.0 °F 20.5 °F 21.9 °F 66% 29.95 in 10.0 mi West 18.4 mph 25.3 mph N/A   Mostly Cloudy
1:51 AM 30.9 °F 18.7 °F 19.0 °F 61% 29.96 in 10.0 mi West 19.6 mph 25.3 mph N/A   Partly Cloudy
2:51 AM 30.0 °F 17.5 °F 17.1 °F 59% 29.98 in 10.0 mi West 19.6 mph 31.1 mph N/A   Partly Cloudy
3:51 AM 28.9 °F 16.5 °F 17.1 °F 61% 29.99 in 10.0 mi West 18.4 mph 28.8 mph N/A   Partly Cloudy
4:51 AM 28.9 °F 16.5 °F 17.1 °F 61% 30.00 in 10.0 mi West 18.4 mph 26.5 mph N/A   Partly Cloudy
5:51 AM 27.0 °F 14.7 °F 16.0 °F 63% 30.03 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Partly Cloudy
6:51 AM 26.1 °F 14.5 °F 14.0 °F 60% 30.06 in 10.0 mi WNW 13.8 mph 26.5 mph N/A   Partly Cloudy
7:51 AM 27.0 °F 13.5 °F 14.0 °F 58% 30.10 in 10.0 mi WNW 19.6 mph 29.9 mph N/A   Partly Cloudy
8:51 AM 28.0 °F 14.3 °F 14.0 °F 56% 30.12 in 10.0 mi WNW 21.9 mph 35.7 mph N/A   Partly Cloudy
9:51 AM 30.0 °F 17.2 °F 14.0 °F 51% 30.14 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Partly Cloudy
10:51 AM 30.9 °F 19.1 °F 14.0 °F 50% 30.17 in 10.0 mi WNW 18.4 mph 27.6 mph N/A   Partly Cloudy
12:51 PM 32.0 °F 20.8 °F 15.1 °F 50% 30.19 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Partly Cloudy
1:51 PM 32.0 °F 19.5 °F 12.9 °F 45% 30.20 in 10.0 mi West 21.9 mph 27.6 mph N/A   Partly Cloudy
2:51 PM 33.1 °F 21.5 °F 14.0 °F 46% 30.21 in 10.0 mi NW 19.6 mph 28.8 mph N/A   Partly Cloudy
3:51 PM 33.1 °F 22.2 °F 12.9 °F 43% 30.23 in 10.0 mi NW 17.3 mph 28.8 mph N/A   Partly Cloudy
4:51 PM 32.0 °F 22.1 °F 12.9 °F 45% 30.24 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
6:51 PM 28.0 °F 16.5 °F 10.9 °F 49% 30.27 in 10.0 mi WNW 15.0 mph - N/A   Clear
7:51 PM 27.0 °F 17.3 °F 10.9 °F 51% 30.29 in 10.0 mi WNW 10.4 mph - N/A   Clear
8:51 PM 27.0 °F 18.7 °F 10.9 °F 51% 30.31 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:51 PM 25.0 °F 15.5 °F 10.9 °F 55% 30.33 in 10.0 mi West 9.2 mph - N/A   Clear
10:51 PM 25.0 °F 16.3 °F 10.0 °F 53% 30.33 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:51 PM 24.1 °F 15.2 °F 9.0 °F 53% 30.33 in 10.0 mi WNW 8.1 mph - N/A   Clear