Weather History for St. Charles, MO

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Monday, October 22, 2012

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 68 °F 57 °F  
Max Temperature 73 °F 67 °F 86 °F (1947)
Min Temperature 64 °F 47 °F 25 °F (1976)
Degree Days  
Heating Degree Days 0 9  
Month to date heating degree days 140  
Since 1 July heating degree days 181  
Cooling Degree Days 4 1  
Month to date cooling degree days 36  
Year to date cooling degree days 1637  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 80    
Maximum Humidity 88    
Minimum Humidity 66    
Precipitation  
Precipitation 0.09 in 0.11 in 1.91 in (2009)
Month to date precipitation 2.37  
Year to date precipitation 33.25  
Snow  
Snow 0.00 in 0.00 in T in (1937)
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 29.91 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 22, 2012 Rise Set
Actual Time 7:18 AM CDT 6:12 PM CDT
Civil Twilight 6:51 AM CDT 6:39 PM CDT
Nautical Twilight 6:20 AM CDT 7:11 PM CDT
Astronomical Twilight 5:49 AM CDT 7:41 PM CDT
Moon 2:17 PM CDT (10/22) 12:09 AM CDT (10/22)
Length of Visible Light 11h 48m
Length of Day
10h 53m
First Quarter, 56% of the Moon is Illuminated
Oct 22
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:42 AM 64.4 °F 60.8 °F 88% 29.94 in 10.0 mi ESE 5.8 mph - N/A   Overcast
12:54 AM 66.0 °F 61.0 °F 84% 29.93 in 10.0 mi ESE 5.8 mph - N/A   Overcast
1:09 AM 66.2 °F 62.6 °F 88% 29.94 in 10.0 mi SE 6.9 mph - N/A   Overcast
1:54 AM 66.9 °F 62.1 °F 84% 29.92 in 10.0 mi SE 8.1 mph - N/A   Overcast
2:44 AM 66.2 °F 62.6 °F 88% 29.93 in 10.0 mi SE 5.8 mph - N/A   Overcast
2:54 AM 66.9 °F 62.1 °F 84% 29.91 in 10.0 mi ESE 5.8 mph - N/A   Overcast
3:54 AM 66.9 °F 62.1 °F 84% 29.90 in 10.0 mi SE 5.8 mph - N/A   Overcast
4:54 AM 64.9 °F 61.0 °F 87% 29.91 in 10.0 mi East 5.8 mph - N/A   Overcast
5:54 AM 66.9 °F 61.0 °F 81% 29.91 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
6:54 AM 66.0 °F 59.0 °F 78% 29.91 in 10.0 mi SE 4.6 mph - N/A   Overcast
7:54 AM 66.9 °F 57.9 °F 73% 29.91 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
8:08 AM 66.2 °F 57.2 °F 73% 29.92 in 10.0 mi SE 5.8 mph - N/A Thunderstorm Mostly Cloudy
8:54 AM 66.9 °F 57.9 °F 73% 29.90 in 10.0 mi SE 8.1 mph - 0.00 in Rain Light Rain
9:14 AM 68.0 °F 57.2 °F 68% 29.91 in 10.0 mi SSE 11.5 mph - 0.00 in Thunderstorm Mostly Cloudy
9:46 AM 66.2 °F 60.8 °F 83% 29.91 in 2.5 mi SSE 6.9 mph - 0.09 in Rain , Thunderstorm Light Thunderstorms and Rain
9:54 AM 66.0 °F 60.1 °F 81% 29.91 in 10.0 mi South 9.2 mph - 0.09 in Thunderstorm Thunderstorm
10:41 AM 66.2 °F 60.8 °F 83% 29.92 in 10.0 mi South 3.5 mph - N/A Thunderstorm Mostly Cloudy
10:54 AM 66.9 °F 61.0 °F 81% 29.92 in 10.0 mi SE 4.6 mph - N/A Thunderstorm Mostly Cloudy
11:02 AM 68.0 °F 62.6 °F 83% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:10 AM 66.2 °F 60.8 °F 83% 29.92 in 10.0 mi ESE 4.6 mph - N/A Thunderstorm Mostly Cloudy
11:49 AM 68.0 °F 60.8 °F 78% 29.93 in 10.0 mi East 5.8 mph - 0.00 in Rain Light Rain
11:54 AM 68.0 °F 61.0 °F 78% 29.92 in 10.0 mi East 5.8 mph - 0.00 in Rain Light Rain
12:54 PM 69.1 °F 63.0 °F 81% 29.90 in 10.0 mi SE 4.6 mph - 0.00 in   Overcast
1:54 PM 68.0 °F 63.0 °F 84% 29.89 in 10.0 mi East 11.5 mph - N/A   Overcast
2:54 PM 66.9 °F 63.0 °F 87% 29.89 in 9.0 mi ESE 12.7 mph - N/A   Overcast
3:54 PM 68.0 °F 64.0 °F 87% 29.89 in 9.0 mi ESE 12.7 mph - N/A   Overcast
4:54 PM 70.0 °F 64.0 °F 81% 29.89 in 10.0 mi East 9.2 mph - N/A   Overcast
5:54 PM 68.0 °F 64.0 °F 87% 29.89 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
6:54 PM 69.1 °F 64.0 °F 84% 29.89 in 10.0 mi SSE 5.8 mph - N/A   Clear
7:54 PM 73.0 °F 61.0 °F 66% 29.91 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
8:54 PM 71.1 °F 62.1 °F 73% 29.91 in 10.0 mi SSW 8.1 mph - 0.00 in   Scattered Clouds
9:54 PM 72.0 °F 61.0 °F 68% 29.90 in 10.0 mi South 12.7 mph - N/A   Clear
10:54 PM 71.1 °F 61.0 °F 70% 29.90 in 10.0 mi SSW 12.7 mph - 0.00 in   Clear