Weather History for St. Charles, MO

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Sunday, October 20, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 54 °F 58 °F  
Max Temperature 72 °F 67 °F 88 °F (2003)
Min Temperature 36 °F 48 °F 26 °F (1930)
Degree Days  
Heating Degree Days 11 8  
Month to date heating degree days 122  
Since 1 July heating degree days 163  
Cooling Degree Days 0 1  
Month to date cooling degree days 34  
Year to date cooling degree days 1635  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 63    
Maximum Humidity 97    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.11 in 2.08 in (1983)
Month to date precipitation 2.15  
Year to date precipitation 33.03  
Snow  
Snow 0.00 in 0.00 in 0.10 in (1916)
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 29.90 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 20 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 20, 2013 Rise Set
Actual Time 7:16 AM CDT 6:15 PM CDT
Civil Twilight 6:49 AM CDT 6:42 PM CDT
Nautical Twilight 6:18 AM CDT 7:13 PM CDT
Astronomical Twilight 5:47 AM CDT 7:44 PM CDT
Moon 7:25 PM CDT 8:53 AM CDT
Length of Visible Light 11h 53m
Length of Day
10h 59m
Full, 97% of the Moon is Illuminated
Oct 20
Full
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter
Nov 17
Full

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 37.9 °F - 37.0 °F 97% 29.96 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 37.0 °F - 36.0 °F 96% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 37.0 °F - 34.0 °F 89% 29.94 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 39.0 °F 36.8 °F 35.1 °F 86% 29.93 in 10.0 mi South 3.5 mph - N/A   Clear
4:54 AM 36.0 °F - 34.0 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 36.0 °F 32.1 °F 35.1 °F 97% 29.93 in 10.0 mi East 4.6 mph - N/A   Clear
6:54 AM 36.0 °F 32.1 °F 34.0 °F 93% 29.93 in 10.0 mi East 4.6 mph - N/A   Clear
7:54 AM 37.9 °F 34.4 °F 36.0 °F 93% 29.94 in 10.0 mi East 4.6 mph - N/A   Clear
8:54 AM 48.9 °F - 41.0 °F 74% 29.94 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 54.0 °F - 39.9 °F 59% 29.94 in 10.0 mi SW 11.5 mph - N/A   Clear
10:54 AM 59.0 °F - 41.0 °F 51% 29.93 in 10.0 mi SW 15.0 mph - N/A   Clear
11:54 AM 64.0 °F - 39.9 °F 41% 29.91 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Clear
12:54 PM 66.9 °F - 41.0 °F 39% 29.88 in 10.0 mi SSW 11.5 mph 19.6 mph N/A   Clear
1:54 PM 70.0 °F - 39.9 °F 33% 29.85 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Clear
2:54 PM 72.0 °F - 37.9 °F 29% 29.84 in 10.0 mi SW 18.4 mph 29.9 mph N/A   Clear
3:54 PM 72.0 °F - 37.0 °F 28% 29.83 in 10.0 mi SW 19.6 mph 29.9 mph N/A   Clear
4:54 PM 71.1 °F - 39.0 °F 31% 29.83 in 10.0 mi SW 16.1 mph 24.2 mph N/A   Clear
5:54 PM 66.9 °F - 39.9 °F 37% 29.85 in 10.0 mi SSW 11.5 mph - N/A   Clear
6:54 PM 62.1 °F - 39.9 °F 44% 29.87 in 10.0 mi SSW 10.4 mph - N/A   Clear
7:54 PM 61.0 °F - 39.9 °F 46% 29.88 in 10.0 mi SSW 11.5 mph - N/A   Clear
8:54 PM 59.0 °F - 42.1 °F 53% 29.89 in 10.0 mi SSW 11.5 mph - N/A   Clear
9:54 PM 55.0 °F - 42.1 °F 62% 29.91 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:54 PM 54.0 °F - 43.0 °F 66% 29.92 in 10.0 mi South 6.9 mph - N/A   Clear
11:54 PM 46.9 °F - 43.0 °F 86% 29.92 in 10.0 mi Calm Calm - N/A   Clear