Weather History for St. Charles, MO

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Friday, October 18, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 50 °F 58 °F  
Max Temperature 61 °F 68 °F 87 °F (1953)
Min Temperature 41 °F 48 °F 27 °F (1976)
Degree Days  
Heating Degree Days 14 8  
Month to date heating degree days 106  
Since 1 July heating degree days 147  
Cooling Degree Days 0 1  
Month to date cooling degree days 32  
Year to date cooling degree days 1633  
Moisture  
Dew Point 40 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 38    
Precipitation  
Precipitation 0.05 in 0.11 in 2.21 in (1883)
Month to date precipitation 1.93  
Year to date precipitation 32.81  
Snow  
Snow 0.00 in 0.00 in T in (1898)
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 30.01 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 18, 2013 Rise Set
Actual Time 7:14 AM CDT 6:18 PM CDT
Civil Twilight 6:47 AM CDT 6:45 PM CDT
Nautical Twilight 6:16 AM CDT 7:16 PM CDT
Astronomical Twilight 5:45 AM CDT 7:47 PM CDT
Moon 6:08 PM CDT (10/18) 6:50 AM CDT (10/18)
Length of Visible Light 11h 58m
Length of Day
11h 04m
Full, 100% of the Moon is Illuminated
Oct 18
Full
Oct 18
Full
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter

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 44.1 °F - 39.9 °F 85% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 42.1 °F - 39.0 °F 89% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 41.0 °F - 39.0 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:54 AM 43.0 °F - 39.0 °F 86% 29.95 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 46.0 °F 43.1 °F 41.0 °F 83% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
5:54 AM 46.0 °F 43.1 °F 42.1 °F 86% 29.98 in 10.0 mi West 5.8 mph - N/A   Clear
6:54 AM 45.0 °F 43.5 °F 42.1 °F 90% 30.00 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:54 AM 45.0 °F 41.8 °F 42.1 °F 90% 30.03 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 AM 48.0 °F - 43.0 °F 83% 30.05 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:54 AM 51.1 °F - 43.0 °F 74% 30.06 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
10:31 AM 51.8 °F - 42.8 °F 71% 30.06 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
10:54 AM 53.1 °F - 43.0 °F 69% 30.06 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:54 AM 54.0 °F - 42.1 °F 64% 30.05 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
12:54 PM 55.9 °F - 41.0 °F 57% 30.04 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
1:54 PM 57.0 °F - 39.9 °F 53% 30.01 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:54 PM 59.0 °F - 37.9 °F 46% 29.99 in 10.0 mi West 10.4 mph - N/A   Clear
3:54 PM 60.1 °F - 34.0 °F 38% 29.99 in 10.0 mi NW 10.4 mph - N/A   Clear
4:54 PM 57.9 °F - 36.0 °F 44% 30.00 in 10.0 mi NW 10.4 mph - N/A   Clear
5:54 PM 55.0 °F - 37.0 °F 51% 30.01 in 10.0 mi NW 8.1 mph - N/A   Clear
6:54 PM 53.1 °F - 39.0 °F 59% 30.01 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
7:54 PM 52.0 °F - 37.9 °F 59% 30.04 in 10.0 mi NW 5.8 mph - N/A   Overcast
8:54 PM 48.9 °F - 39.9 °F 71% 30.04 in 10.0 mi NNW 6.9 mph - 0.00 in Rain Light Rain
9:54 PM 46.9 °F - 39.9 °F 77% 30.03 in 10.0 mi NNW 10.4 mph - 0.00 in   Overcast
10:54 PM 45.0 °F 41.8 °F 39.9 °F 82% 30.03 in 9.0 mi NNW 5.8 mph - 0.01 in Rain Light Rain
11:37 PM 44.6 °F 41.4 °F 41.0 °F 87% 30.02 in 7.0 mi NNW 5.8 mph - 0.03 in Rain Light Rain
11:54 PM 44.1 °F 40.1 °F 41.0 °F 89% 30.01 in 8.0 mi NNW 6.9 mph - 0.04 in Rain Light Rain