Weather History for Mount Vernon, IL

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Tuesday, December 16, 2014

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 48 °F 39 °F 57 °F (2006)
Min Temperature 32 °F 24 °F 15 °F (2007)
Degree Days  
Heating Degree Days 25    
Moisture  
Dew Point 31 °F    
Average Humidity 72    
Maximum Humidity 81    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 10 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 23 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. 16, 2014 Rise Set
Actual Time 7:05 AM CST 4:36 PM CST
Civil Twilight 6:36 AM CST 5:06 PM CST
Nautical Twilight 6:02 AM CST 5:39 PM CST
Astronomical Twilight 5:30 AM CST 6:11 PM CST
Moon 1:24 AM CST (12/16) 1:03 PM CST (12/16)
Length of Visible Light 10h 29m
Length of Day
9h 30m
Waning Crescent, 29% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
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 48.2 °F - 39.2 °F 71% 29.76 in 10.0 mi West 10.4 mph 19.6 mph N/A   Overcast
12:35 AM 48.2 °F - 39.2 °F 71% 29.76 in 10.0 mi WSW 10.4 mph 18.4 mph N/A   Overcast
12:55 AM 46.4 °F 42.4 °F 39.2 °F 76% 29.77 in 10.0 mi WSW 8.1 mph - N/A   Overcast
1:15 AM 46.4 °F 41.9 °F 39.2 °F 76% 29.78 in 10.0 mi West 9.2 mph 20.7 mph N/A   Overcast
1:35 AM 46.4 °F 40.7 °F 39.2 °F 76% 29.78 in 10.0 mi WSW 12.7 mph - N/A   Overcast
1:55 AM 46.4 °F 41.9 °F 37.4 °F 71% 29.79 in 10.0 mi WSW 9.2 mph - N/A   Overcast
2:15 AM 46.4 °F 40.7 °F 37.4 °F 71% 29.80 in 10.0 mi West 12.7 mph 20.7 mph N/A   Overcast
2:35 AM 44.6 °F 39.2 °F 35.6 °F 71% 29.81 in 10.0 mi West 10.4 mph 19.6 mph N/A   Overcast
2:55 AM 44.6 °F 38.1 °F 35.6 °F 71% 29.82 in 10.0 mi West 13.8 mph 23.0 mph N/A   Overcast
3:15 AM 44.6 °F 39.2 °F 35.6 °F 71% 29.82 in 10.0 mi WSW 10.4 mph 17.3 mph N/A   Overcast
3:35 AM 42.8 °F 38.0 °F 35.6 °F 76% 29.84 in 10.0 mi West 8.1 mph 16.1 mph N/A   Overcast
3:55 AM 42.8 °F 37.5 °F 33.8 °F 70% 29.84 in 10.0 mi West 9.2 mph 18.4 mph N/A   Overcast
4:15 AM 42.8 °F 37.0 °F 33.8 °F 70% 29.85 in 10.0 mi WSW 10.4 mph - N/A   Overcast
4:35 AM 42.8 °F 36.2 °F 33.8 °F 70% 29.85 in 10.0 mi WSW 12.7 mph 19.6 mph N/A   Overcast
4:55 AM 42.8 °F 36.6 °F 33.8 °F 70% 29.86 in 10.0 mi West 11.5 mph 20.7 mph N/A   Overcast
5:15 AM 42.8 °F 38.0 °F 33.8 °F 70% 29.87 in 10.0 mi WSW 8.1 mph - N/A   Overcast
5:35 AM 42.8 °F 37.5 °F 33.8 °F 70% 29.88 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:55 AM 42.8 °F 36.6 °F 33.8 °F 70% 29.88 in 10.0 mi WSW 11.5 mph - N/A   Overcast
6:15 AM 42.8 °F 36.2 °F 33.8 °F 70% 29.89 in 10.0 mi WSW 12.7 mph 17.3 mph N/A   Overcast
6:35 AM 42.8 °F 37.0 °F 33.8 °F 70% 29.90 in 10.0 mi WSW 10.4 mph 17.3 mph N/A   Overcast
6:55 AM 41.0 °F 32.5 °F 33.8 °F 76% 29.91 in 10.0 mi WSW 17.3 mph 21.9 mph N/A   Overcast
7:15 AM 41.0 °F 33.9 °F 33.8 °F 76% 29.92 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
7:35 AM 41.0 °F 33.5 °F 33.8 °F 76% 29.93 in 10.0 mi WSW 13.8 mph 18.4 mph N/A   Overcast
7:55 AM 41.0 °F 34.7 °F 33.8 °F 76% 29.94 in 7.0 mi West 10.4 mph 21.9 mph N/A   Overcast
8:15 AM 41.0 °F 35.2 °F 33.8 °F 76% 29.95 in 10.0 mi West 9.2 mph - N/A   Overcast
8:35 AM 41.0 °F 34.7 °F 33.8 °F 76% 29.96 in 10.0 mi West 10.4 mph 19.6 mph N/A   Overcast
8:55 AM 41.0 °F 36.4 °F 33.8 °F 76% 29.98 in 10.0 mi West 6.9 mph - N/A   Overcast
9:15 AM 39.2 °F 30.8 °F 33.8 °F 81% 30.00 in 10.0 mi WSW 15.0 mph 23.0 mph N/A   Overcast
9:35 AM 39.2 °F 31.6 °F 33.8 °F 81% 30.01 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
9:55 AM 39.2 °F 32.0 °F 33.8 °F 81% 30.02 in 5.0 mi West 11.5 mph 20.7 mph N/A   Overcast
10:15 AM 39.2 °F 32.5 °F 33.8 °F 81% 30.03 in 10.0 mi West 10.4 mph 18.4 mph N/A   Overcast
10:35 AM 39.2 °F 31.2 °F 33.8 °F 81% 30.03 in 5.0 mi West 13.8 mph - N/A   Overcast
10:55 AM 39.2 °F 32.0 °F 33.8 °F 81% 30.04 in 2.5 mi West 11.5 mph - N/A   Overcast
11:15 AM 39.2 °F 32.5 °F 33.8 °F 81% 30.04 in 9.0 mi West 10.4 mph 17.3 mph N/A   Overcast
11:35 AM 37.4 °F 30.3 °F 32.0 °F 81% 30.05 in 10.0 mi West 10.4 mph 19.6 mph N/A   Overcast
11:55 AM 39.2 °F 32.0 °F 32.0 °F 75% 30.05 in 10.0 mi WNW 11.5 mph - N/A   Overcast
12:15 PM 39.2 °F 33.0 °F 32.0 °F 75% 30.06 in 10.0 mi West 9.2 mph 19.6 mph N/A   Overcast
12:35 PM 37.4 °F 31.4 °F 30.2 °F 75% 30.06 in 10.0 mi West 8.1 mph 19.6 mph N/A   Overcast
12:55 PM 37.4 °F 32.1 °F 28.4 °F 70% 30.07 in 10.0 mi WNW 6.9 mph 21.9 mph N/A   Overcast
1:15 PM 37.4 °F 32.1 °F 28.4 °F 70% 30.08 in 10.0 mi West 6.9 mph 19.6 mph N/A   Overcast
1:35 PM 37.4 °F 32.1 °F 28.4 °F 70% 30.09 in 10.0 mi West 6.9 mph - N/A   Overcast
1:55 PM 37.4 °F 30.3 °F 28.4 °F 70% 30.10 in 10.0 mi West 10.4 mph 17.3 mph N/A   Overcast
2:15 PM 37.4 °F 31.4 °F 28.4 °F 70% 30.12 in 10.0 mi West 8.1 mph 20.7 mph N/A   Overcast
2:35 PM 37.4 °F 30.8 °F 28.4 °F 70% 30.13 in 10.0 mi West 9.2 mph 19.6 mph N/A   Overcast
2:55 PM 37.4 °F 30.8 °F 28.4 °F 70% 30.13 in 10.0 mi West 9.2 mph 16.1 mph N/A   Overcast
3:15 PM 37.4 °F 30.8 °F 28.4 °F 70% 30.13 in 10.0 mi WNW 9.2 mph - N/A   Overcast
3:35 PM 37.4 °F 32.1 °F 28.4 °F 70% 30.15 in 10.0 mi West 6.9 mph - N/A   Overcast
3:55 PM 37.4 °F 30.3 °F 28.4 °F 70% 30.17 in 10.0 mi West 10.4 mph 16.1 mph N/A   Overcast
4:15 PM 37.4 °F 30.3 °F 26.6 °F 65% 30.18 in 10.0 mi West 10.4 mph 17.3 mph N/A   Overcast
4:35 PM 35.6 °F 29.9 °F 26.6 °F 70% 30.18 in 10.0 mi West 6.9 mph 16.1 mph N/A   Overcast
4:55 PM 35.6 °F 28.6 °F 26.6 °F 70% 30.20 in 10.0 mi West 9.2 mph - N/A   Overcast
5:15 PM 35.6 °F 28.6 °F 26.6 °F 70% 30.21 in 10.0 mi West 9.2 mph 17.3 mph N/A   Overcast
5:35 PM 35.6 °F 29.9 °F 26.6 °F 70% 30.21 in 10.0 mi West 6.9 mph - N/A   Overcast
5:55 PM 35.6 °F 29.2 °F 26.6 °F 70% 30.21 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:15 PM 35.6 °F 29.9 °F 26.6 °F 70% 30.22 in 10.0 mi West 6.9 mph - N/A   Overcast
6:35 PM 35.6 °F 29.2 °F 26.6 °F 70% 30.22 in 10.0 mi West 8.1 mph - N/A   Overcast
6:55 PM 35.6 °F 30.7 °F 24.8 °F 65% 30.22 in 10.0 mi WNW 5.8 mph - N/A   Overcast
7:15 PM 35.6 °F 28.6 °F 24.8 °F 65% 30.23 in 10.0 mi WNW 9.2 mph 16.1 mph N/A   Overcast
7:35 PM 35.6 °F 31.7 °F 24.8 °F 65% 30.23 in 10.0 mi WNW 4.6 mph - N/A   Overcast
7:55 PM 35.6 °F 28.6 °F 24.8 °F 65% 30.24 in 10.0 mi West 9.2 mph - N/A   Overcast
8:15 PM 33.8 °F 27.7 °F 24.8 °F 70% 30.24 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:35 PM 33.8 °F 29.6 °F 24.8 °F 70% 30.25 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:55 PM 33.8 °F 30.8 °F 24.8 °F 70% 30.26 in 10.0 mi WNW 3.5 mph - N/A   Overcast
9:15 PM 33.8 °F 27.0 °F 26.6 °F 75% 30.26 in 10.0 mi NW 8.1 mph - N/A   Overcast
9:35 PM 33.8 °F 29.6 °F 24.8 °F 70% 30.26 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:55 PM 33.8 °F 28.6 °F 24.8 °F 70% 30.26 in 10.0 mi West 5.8 mph - N/A   Overcast
10:15 PM 33.8 °F 27.7 °F 24.8 °F 70% 30.27 in 10.0 mi West 6.9 mph - N/A   Overcast
10:35 PM 33.8 °F 28.6 °F 24.8 °F 70% 30.28 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:55 PM 33.8 °F 26.4 °F 24.8 °F 70% 30.28 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Overcast
11:15 PM 33.8 °F 28.6 °F 23.0 °F 65% 30.28 in 10.0 mi West 5.8 mph - N/A   Overcast
11:35 PM 32.0 °F 27.5 °F 21.2 °F 64% 30.28 in 10.0 mi NNW 4.6 mph - N/A   Overcast
11:55 PM 32.0 °F - 21.2 °F 64% 30.28 in 10.0 mi Calm Calm - N/A   Overcast