Weather History for St. Charles, MO

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Wednesday, February 19, 2014

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 42 °F 37 °F  
Max Temperature 48 °F 46 °F 76 °F (1930)
Min Temperature 35 °F 29 °F -3 °F (1936)
Degree Days  
Heating Degree Days 24 28  
Month to date heating degree days 571  
Since 1 July heating degree days 3365  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 34 °F    
Average Humidity 75    
Maximum Humidity 89    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.08 in 3.96 in (1882)
Month to date precipitation 1.52  
Year to date precipitation 3.92  
Snow  
Snow 0.00 in 0.10 in 9.30 in (1911)
Month to date snowfall 3.0  
Since 1 July snowfall 13.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 19, 2014 Rise Set
Actual Time 6:47 AM CST 5:43 PM CST
Civil Twilight 6:20 AM CST 6:10 PM CST
Nautical Twilight 5:49 AM CST 6:41 PM CST
Astronomical Twilight 5:18 AM CST 7:12 PM CST
Moon 10:34 PM CST (2/19) 8:56 AM CST (2/19)
Length of Visible Light 11h 50m
Length of Day
10h 55m
Waning Gibbous, 79% of the Moon is Illuminated
Feb 19
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.9 °F - 32.0 °F 56% 29.82 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Clear
1:54 AM 43.0 °F 38.2 °F 30.9 °F 62% 29.86 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:54 AM 42.1 °F 37.7 °F 30.9 °F 65% 29.88 in 10.0 mi West 6.9 mph - N/A   Clear
3:54 AM 39.9 °F 33.4 °F 30.9 °F 70% 29.89 in 10.0 mi West 10.4 mph - N/A   Clear
4:54 AM 35.1 °F - 30.0 °F 82% 29.92 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 39.0 °F 33.4 °F 30.9 °F 73% 29.94 in 10.0 mi West 8.1 mph - N/A   Clear
6:54 AM 36.0 °F 31.1 °F 30.0 °F 79% 29.97 in 10.0 mi West 5.8 mph - N/A   Clear
7:54 AM 37.9 °F 32.1 °F 30.9 °F 76% 30.00 in 10.0 mi West 8.1 mph - N/A   Clear
8:54 AM 39.0 °F 34.8 °F 33.1 °F 79% 30.02 in 10.0 mi West 5.8 mph - N/A   Clear
9:54 AM 42.1 °F 37.1 °F 36.0 °F 79% 30.04 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:54 AM 44.1 °F 40.8 °F 35.1 °F 71% 30.02 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:54 AM 46.0 °F 41.9 °F 35.1 °F 66% 30.06 in 10.0 mi SW 8.1 mph - N/A   Clear
12:54 PM 48.0 °F - 36.0 °F 63% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:54 PM 48.0 °F - 36.0 °F 63% 29.99 in 10.0 mi East 3.5 mph - N/A   Clear
2:54 PM 48.0 °F - 37.0 °F 66% 29.97 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:54 PM 46.9 °F - 37.9 °F 71% 29.94 in 10.0 mi East 9.2 mph - N/A   Clear
4:54 PM 45.0 °F 38.9 °F 37.9 °F 76% 29.93 in 10.0 mi ESE 12.7 mph - N/A   Clear
5:54 PM 41.0 °F 34.7 °F 36.0 °F 82% 29.95 in 10.0 mi ESE 10.4 mph - N/A   Clear
6:54 PM 37.0 °F 29.3 °F 34.0 °F 89% 29.93 in 10.0 mi East 11.5 mph - N/A   Clear
7:54 PM 39.0 °F 31.8 °F 35.1 °F 86% 29.89 in 10.0 mi East 11.5 mph - N/A   Clear
8:54 PM 37.0 °F 30.4 °F 34.0 °F 89% 29.89 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
9:54 PM 39.9 °F 34.5 °F 36.0 °F 86% 29.86 in 10.0 mi East 8.1 mph - N/A   Overcast
10:54 PM 41.0 °F 34.7 °F 36.0 °F 82% 29.82 in 10.0 mi East 10.4 mph - N/A   Overcast
11:54 PM 41.0 °F 33.5 °F 36.0 °F 82% 29.76 in 10.0 mi ESE 13.8 mph - N/A   Overcast