Weather History for St. Charles, MO

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Friday, April 25, 2014

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 62 °F 61 °F  
Max Temperature 77 °F 71 °F 92 °F (1986)
Min Temperature 50 °F 51 °F 32 °F (1934)
Degree Days  
Heating Degree Days 2 6  
Month to date heating degree days 243  
Since 1 July heating degree days 4429  
Cooling Degree Days 0 2  
Month to date cooling degree days 32  
Year to date cooling degree days 39  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 61    
Maximum Humidity 87    
Minimum Humidity 24    
Precipitation  
Precipitation 0.00 in 0.13 in 1.71 in (1921)
Month to date precipitation 3.05  
Year to date precipitation 11.01  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.4  
Since 1 July snowfall 17.7  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 13 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 25, 2014 Rise Set
Actual Time 6:11 AM CDT 7:48 PM CDT
Civil Twilight 5:43 AM CDT 8:16 PM CDT
Nautical Twilight 5:09 AM CDT 8:51 PM CDT
Astronomical Twilight 4:32 AM CDT 9:27 PM CDT
Moon 3:57 AM CDT (4/25) 4:12 PM CDT (4/25)
Length of Visible Light 14h 33m
Length of Day
13h 37m
Waning Crescent, 15% of the Moon is Illuminated
Apr 25
Waning Crescent
Apr 29
New
May 6
First Quarter
May 14
Full
May 21
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 57.0 °F 53.1 °F 87% 29.68 in 10.0 mi WNW 16.1 mph - 0.00 in   Overcast
1:22 AM 55.9 °F 52.0 °F 87% 29.70 in 10.0 mi WNW 17.3 mph - N/A   Overcast
1:47 AM 55.9 °F 52.0 °F 87% 29.71 in 10.0 mi WNW 15.0 mph - N/A   Overcast
1:54 AM 55.9 °F 52.0 °F 87% 29.70 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Overcast
2:54 AM 54.0 °F 48.9 °F 83% 29.72 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
3:54 AM 53.1 °F 46.9 °F 80% 29.75 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Mostly Cloudy
4:04 AM 53.1 °F 46.9 °F 80% 29.77 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Scattered Clouds
4:54 AM 51.1 °F 46.0 °F 83% 29.79 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Clear
5:54 AM 50.0 °F 45.0 °F 83% 29.82 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:54 AM 50.0 °F 45.0 °F 83% 29.86 in 10.0 mi NW 11.5 mph - N/A   Clear
7:54 AM 52.0 °F 45.0 °F 77% 29.89 in 10.0 mi WNW 11.5 mph - N/A   Clear
8:54 AM 55.9 °F 45.0 °F 67% 29.91 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:54 AM 57.9 °F 46.0 °F 65% 29.92 in 10.0 mi West 10.4 mph - N/A   Clear
10:54 AM 63.0 °F 46.0 °F 54% 29.95 in 10.0 mi West 9.2 mph - N/A   Clear
11:54 AM 66.0 °F 42.1 °F 42% 29.95 in 10.0 mi West 6.9 mph - N/A   Clear
12:54 PM 69.1 °F 43.0 °F 39% 29.94 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
1:54 PM 72.0 °F 39.9 °F 31% 29.92 in 10.0 mi West 11.5 mph - N/A   Clear
2:54 PM 73.9 °F 37.9 °F 27% 29.91 in 10.0 mi West 12.7 mph - N/A   Clear
3:54 PM 75.9 °F 41.0 °F 29% 29.89 in 10.0 mi West 12.7 mph - N/A   Clear
4:54 PM 75.9 °F 37.0 °F 24% 29.88 in 10.0 mi SW 12.7 mph - N/A   Clear
5:54 PM 75.9 °F 37.0 °F 24% 29.86 in 10.0 mi WSW 9.2 mph - N/A   Clear
6:54 PM 73.9 °F 39.9 °F 29% 29.86 in 10.0 mi SW 8.1 mph - N/A   Clear
7:54 PM 68.0 °F 45.0 °F 43% 29.86 in 10.0 mi SW 5.8 mph - N/A   Clear
8:54 PM 66.0 °F 44.1 °F 45% 29.87 in 10.0 mi SSW 4.6 mph - N/A   Clear
9:54 PM 57.9 °F 50.0 °F 75% 29.87 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 55.9 °F 50.0 °F 80% 29.88 in 10.0 mi East 3.5 mph - N/A   Clear