Weather History for St. Charles, MO

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Saturday, February 22, 2014

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 42 °F 38 °F  
Max Temperature 57 °F 47 °F 78 °F (1995)
Min Temperature 28 °F 30 °F 3 °F (1963)
Degree Days  
Heating Degree Days 22 27  
Month to date heating degree days 652  
Since 1 July heating degree days 3446  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 30 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.08 in 1.62 in (1975)
Month to date precipitation 1.75  
Year to date precipitation 4.15  
Snow  
Snow 0.00 in 0.20 in 2.60 in (1919)
Month to date snowfall 3.5  
Since 1 July snowfall 14.2  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 22, 2014 Rise Set
Actual Time 6:43 AM CST 5:46 PM CST
Civil Twilight 6:16 AM CST 6:13 PM CST
Nautical Twilight 5:45 AM CST 6:45 PM CST
Astronomical Twilight 5:15 AM CST 7:15 PM CST
Moon 12:38 AM CST (2/22) 10:59 AM CST (2/22)
Length of Visible Light 11h 57m
Length of Day
11h 03m
Waning Gibbous, 50% of the Moon is Illuminated
Feb 22
Waning Gibbous
Mar 1
New
Mar 8
First Quarter
Mar 16
Full
Mar 23
Last Quarter

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 35.1 °F 29.3 °F 27.0 °F 72% 29.95 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
1:54 AM 33.1 °F - 27.0 °F 78% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 30.9 °F 26.2 °F 26.1 °F 82% 29.95 in 10.0 mi North 4.6 mph - N/A   Clear
3:54 AM 30.9 °F - 27.0 °F 85% 29.96 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 30.0 °F 26.5 °F 27.0 °F 88% 29.97 in 10.0 mi ENE 3.5 mph - N/A   Clear
5:54 AM 28.9 °F 23.9 °F 26.1 °F 89% 29.98 in 10.0 mi NNE 4.6 mph - N/A   Clear
6:54 AM 30.0 °F - 26.1 °F 85% 30.00 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 33.1 °F - 28.9 °F 85% 30.00 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 39.9 °F 37.8 °F 28.0 °F 63% 30.00 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:54 AM 44.1 °F 42.5 °F 28.9 °F 55% 29.99 in 10.0 mi East 3.5 mph - N/A   Clear
10:54 AM 48.0 °F - 28.0 °F 46% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 53.1 °F - 28.9 °F 40% 29.97 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 55.9 °F - 25.0 °F 30% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 57.0 °F - 28.0 °F 33% 29.90 in 10.0 mi NE 4.6 mph - N/A   Clear
2:54 PM 54.0 °F - 30.0 °F 40% 29.91 in 10.0 mi NNE 10.4 mph - N/A   Overcast
3:54 PM 48.9 °F - 36.0 °F 61% 29.93 in 10.0 mi NNE 16.1 mph 26.5 mph N/A   Overcast
4:54 PM 46.0 °F 39.0 °F 34.0 °F 63% 29.92 in 10.0 mi NNE 17.3 mph 29.9 mph N/A   Mostly Cloudy
5:54 PM 43.0 °F 36.0 °F 33.1 °F 68% 29.95 in 10.0 mi NNE 13.8 mph - N/A   Overcast
6:54 PM 42.1 °F 36.1 °F 34.0 °F 73% 29.99 in 10.0 mi NE 10.4 mph - N/A   Overcast
7:54 PM 39.9 °F 33.9 °F 34.0 °F 79% 30.00 in 10.0 mi NNE 9.2 mph - N/A   Overcast
8:54 PM 39.0 °F 31.4 °F 34.0 °F 82% 30.03 in 10.0 mi NNE 12.7 mph - N/A   Overcast
9:25 PM 37.9 °F 30.9 °F 34.0 °F 86% 30.04 in 10.0 mi NNE 10.4 mph - 0.00 in   Overcast
9:54 PM 37.9 °F 31.5 °F 34.0 °F 86% 30.06 in 9.0 mi North 9.2 mph - 0.00 in   Overcast
10:54 PM 36.0 °F 27.5 °F 34.0 °F 93% 30.07 in 8.0 mi North 12.7 mph - 0.00 in Rain Light Rain
11:05 PM 36.0 °F 29.0 °F 33.1 °F 89% 30.07 in 6.0 mi NNE 9.2 mph - 0.00 in Rain Light Rain
11:17 PM 36.0 °F 29.0 °F 33.1 °F 89% 30.07 in 8.0 mi NNE 9.2 mph - 0.00 in Rain Light Rain
11:52 PM 33.8 °F 24.8 °F 30.2 °F 87% 30.07 in 9.0 mi NNE 12.7 mph - 0.00 in   Overcast
11:54 PM 34.0 °F 25.0 °F 30.9 °F 89% 30.07 in 9.0 mi NNE 12.7 mph - 0.00 in   Overcast