Weather History for Mount Vernon, IL

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Wednesday, December 15, 2010

  Actual Average Record
Temperature  
Mean Temperature 26 °F -  
Max Temperature 30 °F 40 °F 60 °F (2011)
Min Temperature 21 °F 25 °F 15 °F (2004)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 16 °F    
Average Humidity 67    
Maximum Humidity 80    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 8 mph (East)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 15, 2010 Rise Set
Actual Time 7:05 AM CST 4:36 PM CST
Civil Twilight 6:35 AM CST 5:05 PM CST
Nautical Twilight 6:02 AM CST 5:38 PM CST
Astronomical Twilight 5:30 AM CST 6:11 PM CST
Moon 12:38 PM CST (12/15) 1:26 AM CST (12/15)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Waxing Gibbous, 70% of the Moon is Illuminated
Dec 15
Waxing Gibbous
Dec 21
Full
Dec 27
Last Quarter
Jan 4
New
Jan 12
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 21.2 °F 14.9 °F 10.4 °F 63% 30.16 in 10.0 mi East 4.6 mph - N/A   Unknown
12:35 AM 21.2 °F 14.9 °F 12.2 °F 68% 30.14 in 10.0 mi ESE 4.6 mph - N/A   Unknown
12:55 AM 21.2 °F 14.9 °F 10.4 °F 63% 30.15 in 10.0 mi ESE 4.6 mph - N/A   Unknown
1:15 AM 21.2 °F 14.9 °F 12.2 °F 68% 30.14 in 10.0 mi ESE 4.6 mph - N/A   Unknown
1:35 AM 21.2 °F 16.4 °F 12.2 °F 68% 30.14 in 10.0 mi East 3.5 mph - N/A   Unknown
1:55 AM 21.2 °F 14.9 °F 12.2 °F 68% 30.14 in 10.0 mi ESE 4.6 mph - N/A   Unknown
2:15 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.14 in 10.0 mi East 5.8 mph - N/A   Unknown
2:35 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.13 in 10.0 mi ENE 5.8 mph - N/A   Unknown
2:55 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.12 in 10.0 mi East 5.8 mph - N/A   Unknown
3:15 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Unknown
3:35 AM 21.2 °F 12.6 °F 12.2 °F 68% 30.10 in 10.0 mi East 6.9 mph - N/A   Unknown
4:15 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.10 in 10.0 mi East 5.8 mph - N/A   Unknown
4:35 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.10 in 10.0 mi East 5.8 mph - N/A   Unknown
4:55 AM 21.2 °F 12.6 °F 14.0 °F 74% 30.10 in 10.0 mi East 6.9 mph - N/A   Unknown
5:15 AM 21.2 °F 12.6 °F 12.2 °F 68% 30.10 in 10.0 mi East 6.9 mph - N/A   Unknown
5:55 AM 21.2 °F 13.6 °F 12.2 °F 68% 30.09 in 10.0 mi ESE 5.8 mph - N/A   Unknown
6:15 AM 21.2 °F 11.7 °F 14.0 °F 74% 30.07 in 10.0 mi East 8.1 mph - N/A   Unknown
6:35 AM 21.2 °F 12.6 °F 14.0 °F 74% 30.07 in 10.0 mi East 6.9 mph - N/A   Unknown
6:55 AM 21.2 °F 10.9 °F 14.0 °F 74% 30.07 in 10.0 mi East 9.2 mph - N/A   Unknown
7:15 AM 21.2 °F 11.7 °F 15.8 °F 80% 30.07 in 10.0 mi East 8.1 mph - N/A   Unknown
7:35 AM 21.2 °F 10.1 °F 15.8 °F 80% 30.05 in 10.0 mi ESE 10.4 mph - N/A   Unknown
7:55 AM 23.0 °F 13.9 °F 14.0 °F 68% 30.06 in 10.0 mi ESE 8.1 mph - N/A   Unknown
8:15 AM 23.0 °F 13.1 °F 15.8 °F 74% 30.06 in 10.0 mi East 9.2 mph - N/A   Unknown
8:35 AM 23.0 °F 13.9 °F 15.8 °F 74% 30.06 in 10.0 mi East 8.1 mph - N/A   Unknown
8:55 AM 24.8 °F 14.6 °F 15.8 °F 69% 30.06 in 10.0 mi East 10.4 mph - N/A   Unknown
9:15 AM 24.8 °F 13.4 °F 15.8 °F 69% 30.05 in 10.0 mi East 12.7 mph - N/A   Unknown
9:35 AM 24.8 °F 13.4 °F 15.8 °F 69% 30.05 in 10.0 mi ESE 12.7 mph 17.3 mph N/A   Unknown
9:55 AM 24.8 °F 14.0 °F 15.8 °F 69% 30.05 in 10.0 mi East 11.5 mph 18.4 mph N/A   Unknown
10:35 AM 26.6 °F 17.5 °F 15.8 °F 64% 30.03 in 10.0 mi East 9.2 mph - N/A   Unknown
10:55 AM 26.6 °F 16.2 °F 15.8 °F 64% 30.03 in 10.0 mi East 11.5 mph - N/A   Unknown
11:15 AM 28.4 °F 19.7 °F 15.8 °F 59% 30.01 in 10.0 mi ESE 9.2 mph - N/A   Unknown
11:35 AM 28.4 °F 18.0 °F 15.8 °F 59% 30.00 in 10.0 mi East 12.7 mph - N/A   Unknown
11:55 AM 28.4 °F 19.1 °F 15.8 °F 59% 29.99 in 10.0 mi East 10.4 mph 16.1 mph N/A   Unknown
12:15 PM 28.4 °F 19.1 °F 15.8 °F 59% 29.97 in 10.0 mi East 10.4 mph 18.4 mph N/A   Unknown
12:35 PM 28.4 °F 19.1 °F 15.8 °F 59% 29.96 in 10.0 mi East 10.4 mph - N/A   Unknown
12:55 PM 28.4 °F 19.7 °F 15.8 °F 59% 29.96 in 10.0 mi East 9.2 mph - N/A   Unknown
1:15 PM 28.4 °F 18.5 °F 15.8 °F 59% 29.94 in 10.0 mi East 11.5 mph 18.4 mph N/A   Unknown
1:35 PM 28.4 °F 18.0 °F 17.6 °F 64% 29.93 in 10.0 mi East 12.7 mph 17.3 mph N/A   Unknown
1:55 PM 28.4 °F 18.5 °F 17.6 °F 64% 29.92 in 10.0 mi East 11.5 mph - N/A   Unknown
2:15 PM 28.4 °F 19.1 °F 17.6 °F 64% 29.91 in 10.0 mi ESE 10.4 mph - N/A   Unknown
2:35 PM 28.4 °F 19.7 °F 17.6 °F 64% 29.90 in 10.0 mi East 9.2 mph - N/A   Unknown
2:55 PM 28.4 °F 18.5 °F 19.4 °F 69% 29.91 in 10.0 mi East 11.5 mph - N/A   Unknown
3:15 PM 28.4 °F 19.1 °F 17.6 °F 64% 29.90 in 10.0 mi East 10.4 mph - N/A   Unknown
3:35 PM 28.4 °F 18.5 °F 17.6 °F 64% 29.89 in 10.0 mi East 11.5 mph 17.3 mph N/A   Unknown
3:55 PM 28.4 °F 18.5 °F 17.6 °F 64% 29.89 in 10.0 mi East 11.5 mph - N/A   Unknown
4:15 PM 28.4 °F 18.5 °F 17.6 °F 64% 29.87 in 10.0 mi East 11.5 mph - N/A   Unknown
4:35 PM 28.4 °F 17.0 °F 19.4 °F 69% 29.86 in 10.0 mi East 15.0 mph - N/A   Unknown
4:55 PM 28.4 °F 17.5 °F 17.6 °F 64% 29.86 in 10.0 mi East 13.8 mph 17.3 mph N/A   Unknown
5:15 PM 28.4 °F 18.5 °F 17.6 °F 64% 29.85 in 10.0 mi East 11.5 mph - N/A   Unknown
5:35 PM 28.4 °F 19.1 °F 17.6 °F 64% 29.85 in 10.0 mi East 10.4 mph - N/A   Unknown
5:55 PM 28.4 °F 18.0 °F 19.4 °F 69% 29.85 in 10.0 mi East 12.7 mph 18.4 mph N/A   Unknown
6:15 PM 28.4 °F 19.7 °F 17.6 °F 64% 29.85 in 10.0 mi East 9.2 mph 18.4 mph N/A   Unknown
6:35 PM 30.2 °F 19.8 °F 17.6 °F 60% 29.84 in 10.0 mi East 13.8 mph 18.4 mph N/A   Unknown
6:55 PM 30.2 °F 21.3 °F 17.6 °F 60% 29.84 in 10.0 mi East 10.4 mph 18.4 mph N/A   Unknown
7:15 PM 30.2 °F 21.3 °F 17.6 °F 60% 29.83 in 10.0 mi East 10.4 mph 17.3 mph N/A   Unknown
7:35 PM 30.2 °F 21.9 °F 19.4 °F 64% 29.84 in 10.0 mi East 9.2 mph - N/A   Unknown
7:55 PM 28.4 °F 18.5 °F 21.2 °F 74% 29.83 in 7.0 mi East 11.5 mph - N/A   Unknown
8:35 PM 28.4 °F 19.1 °F 23.0 °F 80% 29.81 in 3.0 mi East 10.4 mph 19.6 mph N/A   Unknown
8:55 PM 28.4 °F 18.5 °F 24.8 °F 86% 29.79 in 6.0 mi East 11.5 mph - N/A   Unknown
9:15 PM 28.4 °F 18.5 °F 23.0 °F 80% 29.77 in 10.0 mi East 11.5 mph 17.3 mph N/A   Unknown
9:35 PM 28.4 °F 19.1 °F 23.0 °F 80% 29.76 in 10.0 mi East 10.4 mph - N/A   Unknown
9:55 PM 28.4 °F 19.1 °F 23.0 °F 80% 29.74 in 10.0 mi East 10.4 mph 16.1 mph N/A   Unknown
10:15 PM 28.4 °F 18.5 °F 24.8 °F 86% 29.74 in 7.0 mi East 11.5 mph - 0.01 in   Unknown
10:35 PM 28.4 °F 19.1 °F 24.8 °F 86% 29.73 in 7.0 mi East 10.4 mph - 0.02 in   Unknown
11:15 PM 30.2 °F - 24.8 °F 80% 29.73 in 5.0 mi Calm Calm - 0.01 in   Unknown
11:35 PM 28.4 °F - 24.8 °F 86% 29.71 in 9.0 mi Calm Calm - 0.01 in   Unknown
11:55 PM 30.2 °F - 26.6 °F 86% 29.71 in 3.0 mi Calm Calm - 0.04 in   Unknown