Weather History for Mount Vernon, IL

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Wednesday, December 7, 2011

  Actual Average Record
Temperature  
Mean Temperature 30 °F -  
Max Temperature 35 °F 44 °F 62 °F (2004)
Min Temperature 26 °F 29 °F 8 °F (2013)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point 27 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed 16 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. 07, 2011 Rise Set
Actual Time 6:58 AM CST 4:34 PM CST
Civil Twilight 6:29 AM CST 5:04 PM CST
Nautical Twilight 5:56 AM CST 5:37 PM CST
Astronomical Twilight 5:24 AM CST 6:09 PM CST
Moon 2:34 PM CST (12/7) 4:15 AM CST (12/7)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waxing Gibbous, 92% of the Moon is Illuminated
Dec 7
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
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 35.6 °F 32.8 °F 30.2 °F 81% 30.14 in 10.0 mi North 3.5 mph - N/A   Overcast
12:35 AM 35.6 °F 29.9 °F 30.2 °F 81% 30.13 in 10.0 mi North 6.9 mph - N/A   Overcast
12:55 AM 35.6 °F 29.9 °F 30.2 °F 81% 30.13 in 10.0 mi North 6.9 mph - N/A   Overcast
1:15 AM 35.6 °F 31.7 °F 30.2 °F 81% 30.12 in 10.0 mi North 4.6 mph - N/A   Overcast
1:35 AM 35.6 °F 31.7 °F 28.4 °F 75% 30.11 in 10.0 mi North 4.6 mph - N/A   Overcast
1:55 AM 35.6 °F 30.7 °F 28.4 °F 75% 30.10 in 10.0 mi NNE 5.8 mph - N/A   Overcast
2:15 AM 35.6 °F 29.9 °F 28.4 °F 75% 30.10 in 10.0 mi NNE 6.9 mph - N/A   Overcast
2:35 AM 35.6 °F 29.2 °F 30.2 °F 81% 30.09 in 10.0 mi NNE 8.1 mph - N/A   Overcast
2:55 AM 33.8 °F 28.6 °F 28.4 °F 81% 30.09 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
3:15 AM 33.8 °F 28.6 °F 26.6 °F 75% 30.08 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
3:35 AM 33.8 °F 29.6 °F 28.4 °F 81% 30.08 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
3:55 AM 33.8 °F 29.6 °F 28.4 °F 81% 30.08 in 10.0 mi North 4.6 mph - N/A   Overcast
4:15 AM 33.8 °F 30.8 °F 28.4 °F 81% 30.09 in 10.0 mi North 3.5 mph - N/A   Overcast
4:35 AM 33.8 °F - 28.4 °F 81% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
4:55 AM 33.8 °F - 28.4 °F 81% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
5:15 AM 33.8 °F - 28.4 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 33.8 °F - 28.4 °F 81% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 33.8 °F - 28.4 °F 81% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
6:15 AM 33.8 °F - 28.4 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
6:35 AM 33.8 °F 30.8 °F 30.2 °F 87% 30.13 in 10.0 mi North 3.5 mph - N/A   Overcast
7:15 AM 33.8 °F 30.8 °F 30.2 °F 87% 30.14 in 10.0 mi NNW 3.5 mph - N/A   Overcast
7:55 AM 33.8 °F - 28.4 °F 81% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
8:15 AM 33.8 °F 29.6 °F 30.2 °F 87% 30.15 in 10.0 mi North 4.6 mph - N/A   Overcast
8:36 AM 33.8 °F - 28.4 °F 81% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
8:55 AM 35.6 °F 31.7 °F 30.2 °F 81% 30.16 in 10.0 mi North 4.6 mph - N/A   Overcast
9:15 AM 35.6 °F 32.8 °F 28.4 °F 75% 30.16 in 9.0 mi NNW 3.5 mph - N/A   Overcast
9:35 AM 35.6 °F 32.8 °F 30.2 °F 81% 30.16 in 7.0 mi NW 3.5 mph - N/A   Overcast
9:55 AM 35.6 °F 32.8 °F 30.2 °F 81% 30.17 in 7.0 mi NW 3.5 mph - N/A   Overcast
10:35 AM 35.6 °F 30.7 °F 30.2 °F 81% 30.16 in 9.0 mi West 5.8 mph - N/A   Overcast
10:55 AM 35.6 °F 30.7 °F 30.2 °F 81% 30.16 in 10.0 mi West 5.8 mph - N/A   Overcast
11:15 AM 35.6 °F 28.6 °F 28.4 °F 75% 30.16 in 7.0 mi West 9.2 mph - N/A   Overcast
11:35 AM 35.6 °F 30.7 °F 30.2 °F 81% 30.16 in 8.0 mi NW 5.8 mph - N/A   Overcast
11:55 AM 33.8 °F 28.6 °F 28.4 °F 81% 30.15 in 9.0 mi West 5.8 mph - N/A   Overcast
12:15 PM 33.8 °F 27.7 °F 28.4 °F 81% 30.16 in 9.0 mi West 6.9 mph - N/A   Overcast
12:35 PM 33.8 °F 26.4 °F 28.4 °F 81% 30.16 in 8.0 mi West 9.2 mph 16.1 mph N/A   Overcast
12:55 PM 33.8 °F 27.0 °F 28.4 °F 81% 30.15 in 9.0 mi West 8.1 mph - N/A   Overcast
1:15 PM 33.8 °F 29.6 °F 26.6 °F 75% 30.15 in 9.0 mi NW 4.6 mph - N/A   Overcast
1:35 PM 33.8 °F 27.7 °F 26.6 °F 75% 30.15 in 9.0 mi WNW 6.9 mph - N/A   Overcast
1:55 PM 33.8 °F 28.6 °F 26.6 °F 75% 30.15 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
2:15 PM 35.6 °F 28.6 °F 28.4 °F 75% 30.15 in 10.0 mi WSW 9.2 mph - N/A   Overcast
2:35 PM 33.8 °F 28.6 °F 26.6 °F 75% 30.16 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
2:55 PM 35.6 °F 31.7 °F 26.6 °F 70% 30.15 in 10.0 mi West 4.6 mph - N/A   Clear
3:15 PM 35.6 °F 30.7 °F 26.6 °F 70% 30.16 in 10.0 mi West 5.8 mph - N/A   Clear
3:55 PM 35.6 °F 29.2 °F 24.8 °F 65% 30.17 in 10.0 mi West 8.1 mph - N/A   Clear
4:15 PM 35.6 °F 30.7 °F 24.8 °F 65% 30.17 in 10.0 mi WSW 5.8 mph - N/A   Clear
4:35 PM 35.6 °F 31.7 °F 24.8 °F 65% 30.17 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:55 PM 33.8 °F 30.8 °F 21.2 °F 60% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:15 PM 33.8 °F 30.8 °F 23.0 °F 65% 30.18 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:35 PM 32.0 °F 28.7 °F 21.2 °F 64% 30.18 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:55 PM 32.0 °F 28.7 °F 21.2 °F 64% 30.19 in 10.0 mi WSW 3.5 mph - N/A   Clear
6:15 PM 30.2 °F - 23.0 °F 75% 30.19 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 30.2 °F - 23.0 °F 75% 30.19 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 30.2 °F - 24.8 °F 80% 30.19 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 28.4 °F - 24.8 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 28.4 °F - 24.8 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 26.6 °F - 24.8 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 26.6 °F 22.6 °F 24.8 °F 93% 30.21 in 10.0 mi SW 3.5 mph - N/A   Clear
8:35 PM 26.6 °F 20.0 °F 21.2 °F 80% 30.22 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:55 PM 28.4 °F 23.3 °F 21.2 °F 74% 30.23 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:15 PM 28.4 °F 23.3 °F 21.2 °F 74% 30.23 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:35 PM 26.6 °F 22.6 °F 21.2 °F 80% 30.23 in 10.0 mi SW 3.5 mph - N/A   Clear
9:55 PM 26.6 °F - 21.2 °F 80% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 26.6 °F - 23.0 °F 86% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 26.6 °F 22.6 °F 23.0 °F 86% 30.23 in 10.0 mi SW 3.5 mph - N/A   Clear
10:55 PM 26.6 °F - 23.0 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 24.8 °F - 23.0 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 26.6 °F - 23.0 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 26.6 °F - 24.8 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Clear