Weather History for Mount Vernon, IL

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Wednesday, December 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 6 °F -  
Max Temperature 24 °F 42 °F 66 °F (1996)
Min Temperature 1 °F 27 °F 1 °F (2013)
Degree Days  
Heating Degree Days 60    
Moisture  
Dew Point 1 °F    
Average Humidity 79    
Maximum Humidity 92    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.45 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 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. 11, 2013 Rise Set
Actual Time 7:02 AM CST 4:35 PM CST
Civil Twilight 6:32 AM CST 5:04 PM CST
Nautical Twilight 5:59 AM CST 5:37 PM CST
Astronomical Twilight 5:27 AM CST 6:10 PM CST
Moon 1:05 PM CST (12/11) 1:27 AM CST (12/11)
Length of Visible Light 10h 31m
Length of Day
9h 32m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
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 5.0 °F - -0.4 °F 78% 30.35 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 5.0 °F - -0.4 °F 78% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 AM 3.2 °F - -2.2 °F 78% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 3.2 °F - -4.0 °F 72% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 6.8 °F - -0.4 °F 72% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:55 AM 8.6 °F - 1.4 °F 73% 30.34 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:15 AM 3.2 °F - -0.4 °F 85% 30.34 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 3.2 °F - -4.0 °F 72% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:55 AM 5.0 °F - -0.4 °F 78% 30.34 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:15 AM 6.8 °F - 5.0 °F 92% 30.34 in 8.0 mi Calm Calm - N/A   Overcast
3:35 AM 5.0 °F - -4.0 °F 66% 30.34 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
3:55 AM 5.0 °F - -0.4 °F 78% 30.33 in 9.0 mi Calm Calm - N/A   Partly Cloudy
4:15 AM 6.8 °F - -0.4 °F 72% 30.33 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 5.0 °F - 1.4 °F 85% 30.33 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 1.4 °F - -5.8 °F 72% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 1.4 °F - -2.2 °F 85% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 3.2 °F - -2.2 °F 78% 30.34 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 6.8 °F - 3.2 °F 85% 30.34 in 9.0 mi Calm Calm - N/A   Partly Cloudy
6:15 AM 8.6 °F - 3.2 °F 79% 30.34 in 0.5 mi Calm Calm - N/A   Overcast
6:35 AM 3.2 °F - -5.8 °F 66% 30.34 in 0.2 mi Calm Calm - N/A   Overcast
6:55 AM - - - N/A% 30.34 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 3.2 °F - 1.4 °F 92% 30.36 in 5.0 mi Calm Calm - N/A   Unknown
7:55 AM 10.4 °F - 8.6 °F 92% 30.36 in 0.2 mi Calm Calm - N/A   Mostly Cloudy
8:15 AM - - - N/A% 30.37 in 1.0 mi SSW 3.5 mph - N/A   Clear
8:35 AM - - - N/A% 30.38 in 2.0 mi SW 4.6 mph - N/A   Clear
8:55 AM - - - N/A% 30.39 in 2.5 mi SW 5.8 mph - N/A   Clear
9:15 AM - - - N/A% 30.40 in 4.0 mi SSW 5.8 mph - N/A   Clear
9:35 AM - - - N/A% 30.40 in 6.0 mi SW 6.9 mph - N/A   Clear
9:55 AM 24.8 °F 14.0 °F 21.2 °F 86% 30.42 in 10.0 mi SW 11.5 mph - N/A   Clear
10:15 AM - - - N/A% 30.42 in 10.0 mi WSW 8.1 mph - N/A   Clear
10:35 AM - - - N/A% 30.42 in 10.0 mi West 8.1 mph - N/A   Clear
10:55 AM - - - N/A% 30.42 in 10.0 mi West 9.2 mph - N/A   Clear
11:15 AM - - - N/A% 30.42 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:35 AM - - - N/A% 30.43 in 10.0 mi West 5.8 mph - N/A   Clear
11:55 AM - - - N/A% 30.43 in 10.0 mi NW 6.9 mph - N/A   Clear
12:15 PM - - - N/A% 30.42 in 10.0 mi WNW 8.1 mph - N/A   Clear
12:35 PM - - - N/A% 30.42 in 10.0 mi West 5.8 mph - N/A   Clear
12:55 PM - - - N/A% 30.43 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:15 PM - - - N/A% 30.43 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
1:35 PM - - - N/A% 30.43 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
1:55 PM - - - N/A% 30.44 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
2:15 PM - - - N/A% 30.45 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
2:35 PM - - - N/A% 30.46 in 10.0 mi NW 6.9 mph - N/A   Clear
2:55 PM - - - N/A% 30.47 in 10.0 mi NNW 8.1 mph - N/A   Clear
3:15 PM - - - N/A% 30.48 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
3:35 PM - - - N/A% 30.49 in 10.0 mi North 4.6 mph - N/A   Clear
3:55 PM - - - N/A% 30.49 in 10.0 mi North 3.5 mph - N/A   Clear
4:15 PM - - - N/A% 30.50 in 10.0 mi North 4.6 mph - N/A   Clear
4:35 PM - - - N/A% 30.51 in 10.0 mi North 9.2 mph - N/A   Clear
4:55 PM - - - N/A% 30.53 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:15 PM - - - N/A% 30.53 in 10.0 mi North 3.5 mph - N/A   Clear
5:35 PM - - - N/A% 30.54 in 10.0 mi North 4.6 mph - N/A   Clear
5:55 PM - - - N/A% 30.54 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM - - - N/A% 30.55 in 10.0 mi North 3.5 mph - N/A   Clear
6:35 PM - - - N/A% 30.56 in 10.0 mi North 4.6 mph - N/A   Clear
6:55 PM - - - N/A% 30.57 in 10.0 mi North 3.5 mph - N/A   Clear
7:15 PM - - - N/A% 30.57 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM - - - N/A% 30.58 in 10.0 mi North 4.6 mph - N/A   Clear
7:55 PM - - - N/A% 30.58 in 10.0 mi North 3.5 mph - N/A   Clear
8:15 PM - - - N/A% 30.59 in 10.0 mi North 3.5 mph - N/A   Clear
8:35 PM - - - N/A% 30.59 in 10.0 mi North 3.5 mph - N/A   Clear
8:55 PM - - - N/A% 30.60 in 10.0 mi North 3.5 mph - N/A   Clear
9:15 PM - - - N/A% 30.61 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:35 PM - - - N/A% 30.61 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:55 PM - - - N/A% 30.61 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM - - - N/A% 30.62 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM - - - N/A% 30.63 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM - - - N/A% 30.64 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM - - - N/A% 30.64 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM - - - N/A% 30.64 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM - - - N/A% 30.64 in 10.0 mi Calm Calm - N/A   Clear