Weather History for Mount Vernon, IL

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Monday, August 11, 2014

  Actual Average Record
Temperature  
Mean Temperature 76 °F -  
Max Temperature 84 °F 83 °F 98 °F (2010)
Min Temperature 68 °F 62 °F 51 °F (2004)
Cooling Degree Days 11    
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 77    
Maximum Humidity 88    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 8 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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Astronomy

Aug. 11, 2014 Rise Set
Actual Time 6:06 AM CDT 7:54 PM CDT
Civil Twilight 5:37 AM CDT 8:22 PM CDT
Nautical Twilight 5:03 AM CDT 8:57 PM CDT
Astronomical Twilight 4:26 AM CDT 9:33 PM CDT
Moon 8:24 PM CDT (8/11) 7:09 AM CDT (8/11)
Length of Visible Light 14h 44m
Length of Day
13h 47m
Full, 99% of the Moon is Illuminated
Aug 11
Full
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 69.8 °F - 66.2 °F 88% 29.96 in 3.0 mi Calm Calm - N/A   Scattered Clouds
12:35 AM 69.8 °F - 66.2 °F 88% 29.96 in 5.0 mi Calm Calm - N/A   Overcast
12:55 AM 71.6 °F - 66.2 °F 83% 29.95 in 7.0 mi SSW 3.5 mph - N/A   Overcast
1:15 AM 71.6 °F - 66.2 °F 83% 29.95 in 5.0 mi Calm Calm - N/A   Overcast
1:35 AM 71.6 °F - 66.2 °F 83% 29.93 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 69.8 °F - 64.4 °F 83% 29.93 in 3.0 mi Calm Calm - N/A   Scattered Clouds
2:15 AM 68.0 °F - 64.4 °F 88% 29.92 in 2.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 68.0 °F - 64.4 °F 88% 29.91 in 3.0 mi Calm Calm - N/A   Clear
2:55 AM 68.0 °F - 64.4 °F 88% 29.91 in 5.0 mi Calm Calm - N/A   Clear
3:15 AM 69.8 °F - 64.4 °F 83% 29.92 in 5.0 mi South 3.5 mph - N/A   Partly Cloudy
3:35 AM 69.8 °F - 66.2 °F 88% 29.91 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
3:55 AM 69.8 °F - 64.4 °F 83% 29.91 in 3.0 mi Calm Calm - N/A   Scattered Clouds
4:15 AM 69.8 °F - 64.4 °F 83% 29.91 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
4:35 AM 69.8 °F - 64.4 °F 83% 29.91 in 4.0 mi Calm Calm - N/A   Overcast
4:55 AM 69.8 °F - 66.2 °F 88% 29.91 in 4.0 mi Calm Calm - N/A   Overcast
5:15 AM 69.8 °F - 66.2 °F 88% 29.91 in 5.0 mi Calm Calm - N/A   Overcast
5:35 AM 69.8 °F - 66.2 °F 88% 29.91 in 5.0 mi Calm Calm - N/A   Overcast
5:55 AM 69.8 °F - 66.2 °F 88% 29.91 in 4.0 mi Calm Calm - N/A   Overcast
6:15 AM 71.6 °F - 66.2 °F 83% 29.92 in 3.0 mi SSW 4.6 mph - N/A   Overcast
6:35 AM 71.6 °F - 66.2 °F 83% 29.92 in 3.0 mi Calm Calm - N/A   Overcast
6:55 AM 71.6 °F - 66.2 °F 83% 29.92 in 3.0 mi SSW 3.5 mph - N/A   Overcast
7:15 AM 71.6 °F - 66.2 °F 83% 29.92 in 2.5 mi Calm Calm - N/A   Scattered Clouds
7:35 AM 71.6 °F - 66.2 °F 83% 29.92 in 3.0 mi SW 4.6 mph - N/A   Clear
7:55 AM 71.6 °F - 68.0 °F 88% 29.92 in 5.0 mi West 5.8 mph - N/A   Partly Cloudy
8:15 AM 73.4 °F - 68.0 °F 83% 29.93 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
8:35 AM 73.4 °F - 68.0 °F 83% 29.93 in 5.0 mi West 4.6 mph - N/A   Mostly Cloudy
8:55 AM 73.4 °F - 66.2 °F 78% 29.92 in 5.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:15 AM 73.4 °F - 68.0 °F 83% 29.92 in 6.0 mi NW 4.6 mph - N/A   Overcast
9:35 AM 75.2 °F - 69.8 °F 83% 29.92 in 6.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
9:55 AM 75.2 °F - 69.8 °F 83% 29.93 in 8.0 mi West 5.8 mph - N/A   Scattered Clouds
10:15 AM 78.8 °F - 69.8 °F 74% 29.93 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
10:35 AM 78.8 °F - 69.8 °F 74% 29.92 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
10:55 AM 78.8 °F - 69.8 °F 74% 29.93 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
11:15 AM 78.8 °F - 69.8 °F 74% 29.93 in 9.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:35 AM 75.2 °F - 68.0 °F 78% 29.94 in 7.0 mi West 4.6 mph - N/A   Overcast
11:55 AM 75.2 °F - 68.0 °F 78% 29.94 in 7.0 mi NW 3.5 mph - N/A   Overcast
12:15 PM 77.0 °F - 69.8 °F 78% 29.93 in 8.0 mi WNW 5.8 mph - N/A   Overcast
12:35 PM 78.8 °F - 69.8 °F 74% 29.93 in 9.0 mi NW 3.5 mph - N/A   Overcast
12:55 PM 78.8 °F - 69.8 °F 74% 29.92 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
1:15 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.91 in 10.0 mi NW 5.8 mph - N/A   Overcast
1:35 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.91 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
1:55 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.91 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:15 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.91 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
2:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.90 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:55 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
3:15 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.90 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
3:35 PM 84.2 °F 88.4 °F 69.8 °F 62% 29.90 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
3:55 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.89 in 10.0 mi NW 3.5 mph - N/A   Clear
4:15 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.88 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
4:55 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
5:35 PM 82.4 °F 84.6 °F 66.2 °F 58% 29.87 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
5:55 PM 82.4 °F 84.6 °F 66.2 °F 58% 29.87 in 10.0 mi West 3.5 mph - N/A   Clear
6:15 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.87 in 10.0 mi West 3.5 mph - N/A   Clear
6:35 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.87 in 10.0 mi West 3.5 mph - N/A   Clear
6:55 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.87 in 10.0 mi West 4.6 mph - N/A   Clear
7:15 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.88 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 78.8 °F - 66.2 °F 65% 29.88 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 77.0 °F - 66.2 °F 69% 29.88 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 75.2 °F - 66.2 °F 73% 29.89 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 73.4 °F - 66.2 °F 78% 29.89 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 73.4 °F - 66.2 °F 78% 29.90 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 71.6 °F - 64.4 °F 78% 29.90 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 71.6 °F - 64.4 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:55 PM 71.6 °F - 64.4 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:15 PM 73.4 °F - 66.2 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:35 PM 73.4 °F - 66.2 °F 78% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 73.4 °F - 66.2 °F 78% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 73.4 °F - 66.2 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 73.4 °F - 66.2 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:55 PM 73.4 °F - 66.2 °F 78% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy