Weather History for St. Charles, MO

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Saturday, October 1, 2011

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 52 °F 64 °F  
Max Temperature 66 °F 74 °F 91 °F (1952)
Min Temperature 39 °F 54 °F 36 °F (1985)
Degree Days  
Heating Degree Days 12 4  
Month to date heating degree days 4  
Since 1 July heating degree days 45  
Cooling Degree Days 0 3  
Month to date cooling degree days 3  
Year to date cooling degree days 1604  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 60    
Maximum Humidity 86    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.10 in 2.18 in (1881)
Month to date precipitation 0.10  
Year to date precipitation 30.98  
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 30.26 in    
Wind  
Wind Speed 7 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 01, 2011 Rise Set
Actual Time 6:57 AM CDT 6:44 PM CDT
Civil Twilight 6:30 AM CDT 7:11 PM CDT
Nautical Twilight 5:59 AM CDT 7:42 PM CDT
Astronomical Twilight 5:28 AM CDT 8:13 PM CDT
Moon 12:00 PM CDT (10/1) 9:45 PM CDT (10/1)
Length of Visible Light 12h 40m
Length of Day
11h 47m
Waxing Crescent, 24% of the Moon is Illuminated
Oct 1
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 53.1 °F - 39.0 °F 59% 30.15 in 10.0 mi NNE 11.5 mph - N/A   Clear
1:54 AM 48.9 °F - 37.9 °F 66% 30.18 in 10.0 mi NE 4.6 mph - N/A   Clear
2:54 AM 48.0 °F - 37.9 °F 68% 30.19 in 10.0 mi North 5.8 mph - N/A   Clear
4:54 AM 44.1 °F 40.1 °F 37.9 °F 79% 30.22 in 10.0 mi North 6.9 mph - N/A   Clear
5:54 AM 44.1 °F 40.8 °F 37.9 °F 79% 30.25 in 10.0 mi NNE 5.8 mph - N/A   Clear
6:54 AM 39.9 °F 35.8 °F 36.0 °F 86% 30.28 in 10.0 mi NNE 5.8 mph - N/A   Clear
7:54 AM 46.9 °F - 41.0 °F 80% 30.30 in 10.0 mi North 6.9 mph - N/A   Clear
8:54 AM 50.0 °F - 39.0 °F 66% 30.31 in 10.0 mi NNE 8.1 mph - N/A   Clear
9:54 AM 53.1 °F - 39.0 °F 59% 30.32 in 10.0 mi NE 5.8 mph - N/A   Clear
10:54 AM 55.9 °F - 36.0 °F 47% 30.32 in 10.0 mi NNE 9.2 mph - N/A   Clear
11:54 AM 59.0 °F - 35.1 °F 41% 30.32 in 10.0 mi North 10.4 mph - N/A   Clear
1:54 PM 64.0 °F - 33.1 °F 31% 30.27 in 10.0 mi NNE 9.2 mph - N/A   Clear
3:54 PM 66.0 °F - 30.0 °F 26% 30.25 in 10.0 mi North 5.8 mph - N/A   Clear
4:54 PM 66.0 °F - 30.9 °F 27% 30.24 in 10.0 mi NNW 8.1 mph - N/A   Clear
5:54 PM 64.0 °F - 30.9 °F 29% 30.24 in 10.0 mi NNW 8.1 mph - N/A   Clear
7:54 PM 51.1 °F - 39.9 °F 66% 30.25 in 10.0 mi North 3.5 mph - N/A   Clear
8:54 PM 48.9 °F - 39.0 °F 69% 30.25 in 10.0 mi North 3.5 mph - N/A   Clear
9:54 PM 48.9 °F - 41.0 °F 74% 30.26 in 10.0 mi NNE 4.6 mph - N/A   Clear
10:54 PM 48.9 °F - 37.9 °F 66% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 41.0 °F - 35.1 °F 79% 30.27 in 10.0 mi Calm Calm - N/A   Clear