Weather History for St. Louis, MO

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Saturday, January 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 32 °F  
Max Temperature 66 °F 40 °F 75 °F (1952)
Min Temperature 42 °F 24 °F -14 °F (1940)
Degree Days  
Heating Degree Days 11 33  
Month to date heating degree days 541 635  
Since 1 July heating degree days 2140 2400  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 29 °F    
Average Humidity 42    
Maximum Humidity 53    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.07 in 1.36 in (1988)
Month to date precipitation 1.27 1.51  
Year to date precipitation 1.27 1.51  
Snow  
Snow 0.00 in 0.20 in 6.90 in (1987)
Month to date snowfall 0.1 3.4  
Since 1 July snowfall 2.2 8.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 14 mph (WSW)    
Max Wind Speed 28 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 19, 2013 Rise Set
Actual Time 7:16 AM CST 5:08 PM CST
Civil Twilight 6:47 AM CST 5:37 PM CST
Nautical Twilight 6:14 AM CST 6:10 PM CST
Astronomical Twilight 5:43 AM CST 6:41 PM CST
Moon 11:34 AM CST (1/19) 12:51 AM CST (1/19)
Length of Visible Light 10h 50m
Length of Day
9h 52m
First Quarter, 57% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 42.8 °F 36.6 °F 26.6 °F 53% 30.13 in 10.0 mi SSW 11.5 mph - N/A   Clear
1:51 AM 43.0 °F 36.8 °F 26.1 °F 51% 30.14 in 10.0 mi SSW 11.5 mph - N/A   Clear
2:51 AM 43.0 °F 36.0 °F 25.0 °F 49% 30.13 in 10.0 mi SSW 13.8 mph - N/A   Clear
3:51 AM 43.0 °F 36.0 °F 25.0 °F 49% 30.11 in 10.0 mi SSW 13.8 mph - N/A   Clear
4:51 AM 43.0 °F 36.0 °F 25.0 °F 49% 30.09 in 10.0 mi SSW 13.8 mph - N/A   Clear
5:51 AM 43.0 °F 36.0 °F 25.0 °F 49% 30.08 in 10.0 mi SSW 13.8 mph - N/A   Clear
6:51 AM 43.0 °F 36.0 °F 25.0 °F 49% 30.07 in 10.0 mi SSW 13.8 mph - N/A   Clear
7:51 AM 43.0 °F 36.4 °F 25.0 °F 49% 30.07 in 10.0 mi South 12.7 mph - N/A   Clear
8:51 AM 48.0 °F - 26.1 °F 42% 30.06 in 10.0 mi SSW 11.5 mph - N/A   Partly Cloudy
9:51 AM 54.0 °F - 28.0 °F 37% 30.06 in 10.0 mi SW 15.0 mph - N/A   Partly Cloudy
10:51 AM 57.0 °F - 28.9 °F 34% 30.02 in 10.0 mi SW 23.0 mph 28.8 mph N/A   Partly Cloudy
11:51 AM 60.1 °F - 30.0 °F 32% 29.98 in 10.0 mi WSW 17.3 mph 27.6 mph N/A   Partly Cloudy
12:51 PM 63.0 °F - 30.9 °F 30% 29.94 in 10.0 mi WSW 19.6 mph - N/A   Partly Cloudy
1:51 PM 64.0 °F - 32.0 °F 30% 29.93 in 10.0 mi WSW 18.4 mph 25.3 mph N/A   Partly Cloudy
2:51 PM 64.9 °F - 32.0 °F 29% 29.93 in 10.0 mi West 15.0 mph 25.3 mph N/A   Scattered Clouds
3:51 PM 64.0 °F - 32.0 °F 30% 29.94 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
4:51 PM 61.0 °F - 30.9 °F 32% 29.96 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
5:51 PM 55.0 °F - 30.9 °F 40% 29.99 in 10.0 mi WSW 9.2 mph - N/A   Clear
6:51 PM 53.1 °F - 30.9 °F 43% 30.02 in 10.0 mi West 8.1 mph - N/A   Clear
7:51 PM 54.0 °F - 30.9 °F 41% 30.05 in 10.0 mi West 12.7 mph - N/A   Clear
8:51 PM 54.0 °F - 32.0 °F 43% 30.06 in 10.0 mi West 13.8 mph - N/A   Clear
9:51 PM 51.1 °F - 30.9 °F 46% 30.09 in 10.0 mi WNW 13.8 mph 25.3 mph N/A   Clear
10:51 PM 46.9 °F - 30.9 °F 54% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Clear
11:51 PM 46.0 °F 40.2 °F 30.0 °F 54% 30.13 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Clear