History for St. Charles, MO

Friday, January 18, 2013 — View Current Conditions
Friday, January 18, 2013
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Daily Weekly Monthly Custom
  Actual Average (KSTL) Record (KSTL)
Temperature
Mean Temperature 36 °F 32 °F  
Max Temperature 52 °F 40 °F 72 °F (1880)
Min Temperature 21 °F 24 °F -19 °F (1930)
Degree Days
Heating Degree Days 28 33  
Month to date heating degree days 602  
Since 1 July heating degree days 2367  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 24 °F    
Average Humidity 67    
Maximum Humidity 96    
Minimum Humidity 40    
Precipitation
Precipitation 0.00 in 0.08 in 1.62 in (1949)
Month to date precipitation 1.44  
Year to date precipitation 1.44  
Snow
Snow 0.00 in 0.10 in 10.00 in (1892)
Month to date snowfall 3.2  
Since 1 July snowfall 8.3  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.32 in    
Wind
Wind Speed 5 mph (South)    
Max Wind Speed 16 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Afternoon grazing
Two of three whitetail deer grazing near the Mel Price Locks & Dam 26 on the Mississippi.
Swan-y River
This is part of a flock of more than 90 trumpeter swans this afternoon in the Upper Mississippi Waterfowl Area near Alton, IL. There was another flock...
Trumpeter in a band
This was the only one of several banded trumpeter swans that the band number was legible. The sighting was reported to the trumpeter swan society.
The stare down
While I recorded the ban number on this trumpeter swan, it took long look at me despite the long distance between us. Photographed at 720mm, cropped ...
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:17 AM CST 5:07 PM CST
Civil Twilight 6:48 AM CST 5:36 PM CST
Nautical Twilight 6:15 AM CST 6:09 PM CST
Astronomical Twilight 5:43 AM CST 6:40 PM CST
Moon 11:00 AM CST (1/18) No Moon Set
Length Of Visible Light 10h 47m
Length of Day
9h 49m
Waxing Crescent, 47% of the Moon is Illuminated
Jan 18
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 23.0 °F - 19.9 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 23.0 °F - 19.9 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 21.9 °F - 19.0 °F 89% 30.50 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 21.9 °F - 19.0 °F 89% 30.50 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 21.0 °F - 19.9 °F 96% 30.49 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 21.9 °F 17.2 °F 19.9 °F 92% 30.48 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:54 AM 24.1 °F 18.2 °F 19.0 °F 81% 30.48 in 10.0 mi SW 4.6 mph - N/A   Clear
7:54 AM 26.1 °F 20.5 °F 21.0 °F 81% 30.48 in 10.0 mi South 4.6 mph - N/A   Clear
8:54 AM 30.9 °F 23.5 °F 24.1 °F 76% 30.46 in 10.0 mi South 8.1 mph - N/A   Clear
9:54 AM 35.1 °F 26.9 °F 24.1 °F 64% 30.44 in 10.0 mi South 11.5 mph - N/A   Clear
10:54 AM 39.9 °F 33.4 °F 25.0 °F 55% 30.40 in 10.0 mi South 10.4 mph - N/A   Clear
11:54 AM 44.1 °F 36.8 °F 27.0 °F 51% 30.35 in 10.0 mi SSW 16.1 mph - N/A   Clear
12:54 PM 46.9 °F - 28.9 °F 50% 30.30 in 10.0 mi South 12.7 mph - N/A   Clear
1:54 PM 50.0 °F - 28.0 °F 43% 30.25 in 10.0 mi South 16.1 mph - N/A   Clear
2:54 PM 52.0 °F - 28.0 °F 40% 30.21 in 10.0 mi South 13.8 mph - N/A   Clear
3:54 PM 51.1 °F - 30.0 °F 44% 30.19 in 10.0 mi South 11.5 mph - N/A   Clear
4:54 PM 46.0 °F 40.6 °F 28.9 °F 51% 30.17 in 10.0 mi South 11.5 mph - N/A   Clear
5:54 PM 43.0 °F 36.8 °F 26.1 °F 51% 30.17 in 10.0 mi South 11.5 mph - N/A   Clear
6:54 PM 43.0 °F 37.2 °F 26.1 °F 51% 30.17 in 10.0 mi South 10.4 mph - N/A   Clear
7:54 PM 39.9 °F 33.4 °F 26.1 °F 58% 30.16 in 10.0 mi South 10.4 mph - N/A   Clear
8:54 PM 39.0 °F 31.8 °F 27.0 °F 62% 30.14 in 10.0 mi South 11.5 mph - N/A   Clear
9:54 PM 39.9 °F 34.5 °F 27.0 °F 60% 30.14 in 10.0 mi South 8.1 mph - N/A   Clear
10:54 PM 34.0 °F 27.2 °F 26.1 °F 73% 30.15 in 10.0 mi South 8.1 mph - N/A   Clear
11:54 PM 32.0 °F - 26.1 °F 79% 30.13 in 10.0 mi Calm Calm - N/A   Clear
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