Weather History for St. Charles, MO

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Friday, January 11, 2013

  Actual Average (KSTL) Record (KSTL)
Temperature  
Mean Temperature 54 °F 32 °F  
Max Temperature 62 °F 40 °F 74 °F (1911)
Min Temperature 46 °F 23 °F -14 °F (1918)
Degree Days  
Heating Degree Days 11 34  
Month to date heating degree days 367  
Since 1 July heating degree days 2132  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.08 in 1.81 in (1916)
Month to date precipitation 0.92  
Year to date precipitation 0.92  
Snow  
Snow 0.00 in 0.20 in 11.00 in (1909)
Month to date snowfall 2.0  
Since 1 July snowfall 7.1  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed -    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 11, 2013 Rise Set
Actual Time 7:19 AM CST 4:59 PM CST
Civil Twilight 6:50 AM CST 5:29 PM CST
Nautical Twilight 6:17 AM CST 6:02 PM CST
Astronomical Twilight 5:45 AM CST 6:34 PM CST
Moon 6:53 AM CST (1/11) 5:17 PM CST (1/11)
Length of Visible Light 10h 38m
Length of Day
9h 39m
Waning Crescent, 0% of the Moon is Illuminated
Jan 11
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 53.6 °F 53.6 °F 100% 29.77 in 3.0 mi SSW 5.8 mph - N/A   Overcast
12:29 AM 51.8 °F 51.8 °F 100% 29.76 in 3.0 mi WSW 5.8 mph - N/A   Scattered Clouds
12:32 AM 51.8 °F 51.8 °F 100% 29.76 in 1.5 mi WSW 4.6 mph - N/A   Scattered Clouds
12:37 AM 51.8 °F 51.8 °F 100% 29.77 in 0.5 mi SW 3.5 mph - N/A Fog Fog
12:45 AM 51.8 °F 50.0 °F 94% 29.76 in 0.2 mi SW 4.6 mph - N/A Fog Fog
12:54 AM 50.0 °F 50.0 °F 100% 29.76 in 0.2 mi WSW 4.6 mph - N/A Fog Fog
1:17 AM 51.8 °F 48.2 °F 88% 29.77 in 2.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
1:19 AM 51.8 °F 48.2 °F 88% 29.77 in 4.0 mi WSW 8.1 mph - N/A   Scattered Clouds
1:54 AM 50.0 °F 48.9 °F 96% 29.80 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
2:54 AM 50.0 °F 48.0 °F 93% 29.82 in 10.0 mi West 5.8 mph - N/A   Overcast
3:54 AM 48.0 °F 46.9 °F 96% 29.81 in 10.0 mi SW 9.2 mph - N/A   Overcast
4:54 AM 48.0 °F 45.0 °F 89% 29.81 in 10.0 mi SW 11.5 mph - N/A   Clear
5:54 AM 48.0 °F 45.0 °F 89% 29.82 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
6:54 AM 48.9 °F 45.0 °F 86% 29.84 in 10.0 mi SW 6.9 mph - N/A   Overcast
7:04 AM 48.2 °F 44.6 °F 87% 29.85 in 10.0 mi SW 6.9 mph - N/A   Overcast
7:54 AM 46.9 °F 45.0 °F 93% 29.86 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
8:31 AM 50.0 °F 46.4 °F 87% 29.87 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:54 AM 50.0 °F 46.9 °F 89% 29.87 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
9:04 AM 51.8 °F 46.4 °F 82% 29.86 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
9:54 AM 53.1 °F 48.0 °F 83% 29.86 in 10.0 mi South 6.9 mph - N/A   Clear
10:54 AM 55.9 °F 48.0 °F 75% 29.84 in 10.0 mi SSW 13.8 mph - N/A   Clear
11:54 AM 57.0 °F 48.0 °F 72% 29.82 in 10.0 mi South 11.5 mph - N/A   Clear
12:54 PM 61.0 °F 50.0 °F 67% 29.80 in 10.0 mi South 16.1 mph - N/A   Clear
1:54 PM 62.1 °F 48.9 °F 62% 29.78 in 10.0 mi South 17.3 mph - N/A   Clear
2:54 PM 62.1 °F 48.9 °F 62% 29.77 in 10.0 mi South 11.5 mph - N/A   Clear
3:54 PM 60.1 °F 48.0 °F 64% 29.76 in 10.0 mi South 11.5 mph - N/A   Clear
4:54 PM 55.9 °F 48.0 °F 75% 29.77 in 10.0 mi SSE 10.4 mph - N/A   Clear
5:54 PM 55.9 °F 46.9 °F 72% 29.78 in 10.0 mi SSE 11.5 mph - N/A   Clear
6:54 PM 55.0 °F 46.9 °F 74% 29.78 in 10.0 mi SSE 15.0 mph - N/A   Clear
7:54 PM 55.9 °F 46.9 °F 72% 29.78 in 10.0 mi South 12.7 mph - N/A   Clear
8:54 PM 54.0 °F 46.9 °F 77% 29.79 in 10.0 mi South 11.5 mph - N/A   Clear
9:54 PM 53.1 °F 46.0 °F 77% 29.80 in 10.0 mi South 4.6 mph - N/A   Clear
10:54 PM 53.1 °F 46.9 °F 80% 29.80 in 10.0 mi South 6.9 mph - N/A   Clear
11:54 PM 53.1 °F 46.9 °F 80% 29.80 in 10.0 mi South 3.5 mph - N/A   Clear