Weather History for St. Charles, MO

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Tuesday, September 24, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 66 °F 67 °F  
Max Temperature 82 °F 77 °F 94 °F (1891)
Min Temperature 52 °F 57 °F 37 °F (1942)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 19  
Since 1 July heating degree days 20  
Cooling Degree Days 2 4  
Month to date cooling degree days 182  
Year to date cooling degree days 1581  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 47    
Precipitation  
Precipitation 0.22 in 0.12 in 2.57 in (1941)
Month to date precipitation 2.49  
Year to date precipitation 30.24  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 24, 2013 Rise Set
Actual Time 6:51 AM CDT 6:55 PM CDT
Civil Twilight 6:24 AM CDT 7:21 PM CDT
Nautical Twilight 5:53 AM CDT 7:52 PM CDT
Astronomical Twilight 5:22 AM CDT 8:24 PM CDT
Moon 10:15 PM CDT 12:03 PM CDT
Length of Visible Light 12h 56m
Length of Day
12h 03m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.9 °F - 50.0 °F 80% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 52.0 °F - 48.9 °F 89% 29.94 in 10.0 mi East 6.9 mph - N/A   Clear
2:54 AM 53.1 °F - 50.0 °F 89% 29.94 in 10.0 mi East 3.5 mph - N/A   Clear
3:54 AM 54.0 °F - 51.1 °F 90% 29.94 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
4:54 AM 55.0 °F - 52.0 °F 89% 29.93 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
5:54 AM 54.0 °F - 52.0 °F 93% 29.93 in 10.0 mi East 6.9 mph - N/A   Clear
6:54 AM 54.0 °F - 52.0 °F 93% 29.94 in 9.0 mi East 6.9 mph - N/A   Clear
7:54 AM 57.0 °F - 53.1 °F 87% 29.92 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
8:54 AM 60.1 °F - 55.0 °F 83% 29.92 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
9:54 AM 64.9 °F - 55.9 °F 73% 29.90 in 10.0 mi ESE 9.2 mph - N/A   Clear
10:54 AM 70.0 °F - 57.9 °F 65% 29.89 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
11:54 AM 73.9 °F - 59.0 °F 59% 29.88 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
12:54 PM 77.0 °F - 60.1 °F 56% 29.85 in 10.0 mi ESE 13.8 mph 17.3 mph N/A   Partly Cloudy
1:54 PM 79.0 °F - 60.1 °F 52% 29.83 in 10.0 mi ESE 15.0 mph - N/A   Mostly Cloudy
2:54 PM 80.1 °F 80.9 °F 60.1 °F 50% 29.81 in 10.0 mi ESE 10.4 mph 21.9 mph N/A   Mostly Cloudy
3:54 PM 81.0 °F 81.3 °F 59.0 °F 47% 29.80 in 10.0 mi ESE 16.1 mph - N/A   Partly Cloudy
4:54 PM 80.1 °F 80.7 °F 59.0 °F 48% 29.79 in 10.0 mi ESE 11.5 mph - N/A   Partly Cloudy
5:54 PM 78.1 °F - 59.0 °F 52% 29.78 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
6:54 PM 73.9 °F - 61.0 °F 64% 29.78 in 10.0 mi East 8.1 mph - 0.00 in   Mostly Cloudy
7:31 PM 71.6 °F - 62.6 °F 73% 29.79 in 2.0 mi NE 8.1 mph - 0.22 in Rain Rain
7:41 PM 69.8 °F - 64.4 °F 83% 29.79 in 10.0 mi North 8.1 mph - 0.22 in Rain Light Rain
7:54 PM 69.1 °F - 64.0 °F 84% 29.78 in 10.0 mi NE 9.2 mph - 0.22 in   Mostly Cloudy
8:54 PM 69.1 °F - 64.0 °F 84% 29.80 in 10.0 mi ENE 13.8 mph - N/A   Mostly Cloudy
9:12 PM 68.0 °F - 62.6 °F 83% 29.81 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
9:54 PM 68.0 °F - 63.0 °F 84% 29.80 in 10.0 mi East 9.2 mph - 0.00 in   Scattered Clouds
10:54 PM 66.9 °F - 64.0 °F 90% 29.81 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 PM 66.0 °F - 64.0 °F 93% 29.81 in 9.0 mi East 4.6 mph - N/A   Scattered Clouds