Weather History for Mount Vernon, IL

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 55 °F 43 °F 57 °F (2003)
Min Temperature 44 °F 28 °F -2 °F (2005)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 46 °F    
Average Humidity 89    
Maximum Humidity 94    
Minimum Humidity 71    
Precipitation  
Precipitation 0.06 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Thunderstorm    
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. 09, 2012 Rise Set
Actual Time 7:01 AM CST 4:34 PM CST
Civil Twilight 6:31 AM CST 5:04 PM CST
Nautical Twilight 5:58 AM CST 5:37 PM CST
Astronomical Twilight 5:26 AM CST 6:09 PM CST
Moon 2:36 AM CST (12/9) 1:39 PM CST (12/9)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 44.6 °F 40.7 °F 39.2 °F 81% 29.97 in 7.0 mi ENE 6.9 mph - N/A   Unknown
12:35 AM 44.6 °F 40.2 °F 41.0 °F 87% 29.97 in 7.0 mi NE 8.1 mph - N/A   Unknown
1:15 AM 44.6 °F 39.7 °F 41.0 °F 87% 29.94 in 6.0 mi ENE 9.2 mph - N/A   Unknown
1:35 AM 44.6 °F 39.7 °F 41.0 °F 87% 29.93 in 7.0 mi ENE 9.2 mph - N/A   Unknown
1:55 AM 44.6 °F 40.7 °F 41.0 °F 87% 29.94 in 7.0 mi ENE 6.9 mph - N/A   Unknown
2:15 AM 44.6 °F 41.4 °F 41.0 °F 87% 29.94 in 6.0 mi East 5.8 mph - N/A   Unknown
2:35 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.92 in 5.0 mi ENE 6.9 mph - N/A   Unknown
2:55 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.92 in 5.0 mi ENE 6.9 mph - N/A   Unknown
3:15 AM 46.4 °F 42.4 °F 42.8 °F 87% 29.91 in 4.0 mi ENE 8.1 mph - N/A   Unknown
3:35 AM 46.4 °F 42.4 °F 42.8 °F 87% 29.90 in 4.0 mi East 8.1 mph - N/A   Unknown
3:55 AM 46.4 °F 42.4 °F 42.8 °F 87% 29.88 in 3.0 mi East 8.1 mph - N/A   Unknown
4:15 AM 46.4 °F 42.4 °F 42.8 °F 87% 29.87 in 3.0 mi ESE 8.1 mph - N/A   Unknown
4:35 AM 46.4 °F 41.1 °F 44.6 °F 93% 29.86 in 3.0 mi ESE 11.5 mph - N/A   Unknown
4:55 AM 46.4 °F 42.4 °F 44.6 °F 93% 29.86 in 3.0 mi ESE 8.1 mph - N/A   Unknown
5:15 AM 46.4 °F 41.5 °F 44.6 °F 93% 29.85 in 3.0 mi ESE 10.4 mph - N/A   Unknown
5:35 AM 48.2 °F - 44.6 °F 87% 29.86 in 2.5 mi ESE 5.8 mph - N/A   Unknown
5:55 AM 48.2 °F - 44.6 °F 87% 29.86 in 2.5 mi SE 5.8 mph - N/A   Unknown
6:15 AM 48.2 °F - 46.4 °F 93% 29.87 in 2.0 mi SE 4.6 mph - N/A   Unknown
6:35 AM 48.2 °F - 46.4 °F 93% 29.86 in 2.5 mi ESE 4.6 mph - N/A   Unknown
6:55 AM 48.2 °F - 46.4 °F 93% 29.86 in 2.0 mi Calm Calm - N/A   Unknown
7:15 AM 48.2 °F - 46.4 °F 93% 29.86 in 1.5 mi Calm Calm - N/A   Unknown
7:35 AM 48.2 °F - 46.4 °F 93% 29.85 in 1.5 mi NE 3.5 mph - N/A   Unknown
7:55 AM 48.2 °F - 46.4 °F 93% 29.85 in 1.5 mi Calm Calm - N/A   Unknown
8:15 AM 48.2 °F - 46.4 °F 93% 29.85 in 1.5 mi ESE 3.5 mph - N/A   Unknown
8:35 AM 50.0 °F - 46.4 °F 87% 29.86 in 1.8 mi Calm Calm - N/A   Unknown
8:55 AM 51.8 °F - 48.2 °F 88% 29.86 in 2.5 mi Calm Calm - N/A   Unknown
9:15 AM 51.8 °F - 48.2 °F 88% 29.86 in 2.5 mi SSE 3.5 mph - N/A   Unknown
9:35 AM 51.8 °F - 48.2 °F 88% 29.86 in 2.5 mi Calm Calm - N/A   Unknown
9:55 AM 51.8 °F - 50.0 °F 94% 29.87 in 2.5 mi SSW 4.6 mph - N/A   Unknown
10:15 AM 51.8 °F - 50.0 °F 94% 29.87 in 2.5 mi WSW 3.5 mph - N/A   Unknown
10:35 AM 51.8 °F - 50.0 °F 94% 29.87 in 2.0 mi WSW 3.5 mph - N/A   Unknown
10:55 AM 53.6 °F - 50.0 °F 88% 29.85 in 1.5 mi Calm Calm - N/A   Unknown
11:15 AM 53.6 °F - 51.8 °F 94% 29.84 in 1.2 mi South 3.5 mph - N/A   Unknown
11:35 AM 53.6 °F - 51.8 °F 94% 29.83 in 1.2 mi South 4.6 mph - N/A   Unknown
11:55 AM 53.6 °F - 50.0 °F 88% 29.82 in 1.8 mi South 4.6 mph - N/A   Unknown
12:15 PM 53.6 °F - 51.8 °F 94% 29.81 in 1.8 mi SSW 4.6 mph - N/A   Unknown
12:35 PM 53.6 °F - 51.8 °F 94% 29.80 in 1.8 mi South 3.5 mph - N/A   Unknown
12:55 PM 53.6 °F - 51.8 °F 94% 29.79 in 1.5 mi Calm Calm - N/A   Unknown
1:15 PM 53.6 °F - 51.8 °F 94% 29.78 in 2.0 mi Calm Calm - N/A   Unknown
1:35 PM 55.4 °F - 51.8 °F 88% 29.79 in 2.0 mi Calm Calm - N/A   Unknown
1:55 PM 55.4 °F - 51.8 °F 88% 29.78 in 2.0 mi Calm Calm - N/A   Unknown
2:15 PM 53.6 °F - 51.8 °F 94% 29.78 in 1.8 mi Calm Calm - N/A   Unknown
2:35 PM 55.4 °F - 51.8 °F 88% 29.77 in 1.8 mi Calm Calm - N/A   Unknown
2:55 PM 55.4 °F - 53.6 °F 94% 29.78 in 1.5 mi Calm Calm - N/A   Unknown
3:15 PM 55.4 °F - 53.6 °F 94% 29.78 in 0.8 mi Calm Calm - N/A   Unknown
3:35 PM 55.4 °F - 51.8 °F 88% 29.78 in 0.2 mi NNW 3.5 mph - N/A Thunderstorm Unknown
3:55 PM 53.6 °F - 51.8 °F 94% 29.75 in 0.8 mi Calm Calm - 0.01 in   Unknown
4:15 PM 53.6 °F - 51.8 °F 94% 29.76 in 4.0 mi Calm Calm - N/A   Unknown
4:35 PM 53.6 °F - 51.8 °F 94% 29.75 in 5.0 mi NW 3.5 mph - 0.01 in   Unknown
4:55 PM 53.6 °F - 51.8 °F 94% 29.76 in 8.0 mi NW 3.5 mph - 0.01 in   Unknown
5:15 PM 53.6 °F - 48.2 °F 82% 29.78 in 7.0 mi NW 6.9 mph - N/A   Unknown
5:35 PM 51.8 °F - 48.2 °F 88% 29.78 in 6.0 mi NNW 3.5 mph - 0.01 in   Unknown
5:55 PM 51.8 °F - 48.2 °F 88% 29.78 in 3.0 mi NNW 5.8 mph - 0.01 in   Unknown
6:15 PM 51.8 °F - 48.2 °F 88% 29.78 in 3.0 mi Calm Calm - 0.03 in   Unknown
6:55 PM 50.0 °F - 46.4 °F 87% 29.80 in 7.0 mi Calm Calm - 0.03 in   Unknown
7:15 PM 50.0 °F - 46.4 °F 87% 29.81 in 7.0 mi NW 4.6 mph - N/A   Unknown
7:35 PM 50.0 °F - 46.4 °F 87% 29.81 in 10.0 mi WNW 5.8 mph - N/A   Unknown
7:55 PM 48.2 °F - 44.6 °F 87% 29.80 in 8.0 mi NW 3.5 mph - N/A   Unknown
8:15 PM 48.2 °F - 44.6 °F 87% 29.80 in 10.0 mi NW 5.8 mph - N/A   Unknown
8:35 PM 48.2 °F - 44.6 °F 87% 29.82 in 9.0 mi NNW 3.5 mph - N/A   Unknown
8:55 PM 46.4 °F 42.9 °F 42.8 °F 87% 29.83 in 10.0 mi NW 6.9 mph - N/A   Unknown
9:15 PM 46.4 °F 43.5 °F 42.8 °F 87% 29.83 in 8.0 mi WNW 5.8 mph - N/A   Unknown
9:35 PM 46.4 °F 43.5 °F 42.8 °F 87% 29.84 in 7.0 mi NW 5.8 mph - N/A   Unknown
9:55 PM 46.4 °F 42.9 °F 39.2 °F 76% 29.85 in 10.0 mi NW 6.9 mph - N/A   Unknown
10:15 PM 44.6 °F 43.1 °F 39.2 °F 81% 29.85 in 10.0 mi NW 3.5 mph - N/A   Unknown
10:35 PM 44.6 °F 42.2 °F 39.2 °F 81% 29.86 in 10.0 mi NNW 4.6 mph - N/A   Unknown
10:55 PM 44.6 °F 41.4 °F 37.4 °F 76% 29.87 in 10.0 mi NNW 5.8 mph - N/A   Unknown
11:15 PM 44.6 °F 40.2 °F 37.4 °F 76% 29.86 in 10.0 mi NNW 8.1 mph - N/A   Unknown
11:35 PM 44.6 °F 43.1 °F 37.4 °F 76% 29.86 in 10.0 mi NNW 3.5 mph - N/A   Unknown
11:55 PM 44.6 °F - 35.6 °F 71% 29.85 in 10.0 mi Calm Calm - N/A   Unknown