Weather History for Mount Vernon, IL

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Wednesday, August 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 91 °F 84 °F 100 °F (2007)
Min Temperature 55 °F 62 °F 53 °F (2004)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 72    
Maximum Humidity 94    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 2 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
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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Astronomy

Aug. 22, 2012 Rise Set
Actual Time 6:16 AM CDT 7:39 PM CDT
Civil Twilight 5:48 AM CDT 8:06 PM CDT
Nautical Twilight 5:15 AM CDT 8:39 PM CDT
Astronomical Twilight 4:40 AM CDT 9:14 PM CDT
Moon 11:49 AM CDT (8/22) 10:26 PM CDT (8/22)
Length of Visible Light 14h 17m
Length of Day
13h 22m
Waxing Crescent, 29% of the Moon is Illuminated
Aug 22
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

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 57.2 °F - 55.4 °F 94% 30.08 in 10.0 mi NNE 3.5 mph - N/A   Clear
12:35 AM 57.2 °F - 55.4 °F 94% 30.08 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 57.2 °F - 53.6 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 57.2 °F - 55.4 °F 94% 30.07 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 57.2 °F - 53.6 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 57.2 °F - 53.6 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 55.4 °F - 53.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 57.2 °F - 55.4 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 57.2 °F - 53.6 °F 88% 30.06 in 10.0 mi North 3.5 mph - N/A   Clear
3:15 AM 57.2 °F - 53.6 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 55.4 °F - 53.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 55.4 °F - 53.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 57.2 °F - 53.6 °F 88% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Clear
4:55 AM 59.0 °F - 53.6 °F 82% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 59.0 °F - 55.4 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 57.2 °F - 53.6 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 57.2 °F - 53.6 °F 88% 30.07 in 10.0 mi North 3.5 mph - N/A   Clear
6:15 AM 57.2 °F - 53.6 °F 88% 30.08 in 9.0 mi Calm Calm - N/A   Clear
6:35 AM 57.2 °F - 53.6 °F 88% 30.08 in 10.0 mi North 3.5 mph - N/A   Clear
6:55 AM 60.8 °F - 55.4 °F 82% 30.09 in 10.0 mi NNE 3.5 mph - N/A   Clear
7:15 AM 60.8 °F - 55.4 °F 82% 30.09 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:35 AM 64.4 °F - 57.2 °F 77% 30.10 in 10.0 mi NE 3.5 mph - N/A   Clear
7:55 AM 66.2 °F - 57.2 °F 73% 30.10 in 10.0 mi NE 3.5 mph - N/A   Clear
8:35 AM 69.8 °F - 59.0 °F 68% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 71.6 °F - 59.0 °F 64% 30.11 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 75.2 °F - 60.8 °F 61% 30.10 in 10.0 mi ESE 5.8 mph - N/A   Clear
10:15 AM 78.8 °F - 62.6 °F 57% 30.11 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:35 AM - - - N/A% 30.10 in 10.0 mi East 6.9 mph - N/A   Clear
10:55 AM - - - N/A% 30.10 in 10.0 mi ESE 9.2 mph - N/A   Clear
11:15 AM - - - N/A% 30.10 in 10.0 mi SE 6.9 mph - N/A   Clear
11:55 AM - - - N/A% 30.09 in 10.0 mi ENE 4.6 mph - N/A   Clear
12:35 PM - - - N/A% 30.08 in 10.0 mi ESE 3.5 mph - N/A   Clear
1:15 PM - - - N/A% 30.07 in 10.0 mi NE 5.8 mph - N/A   Clear
1:35 PM - - - N/A% 30.07 in 10.0 mi East 3.5 mph - N/A   Clear
1:55 PM - - - N/A% 30.06 in 10.0 mi SE 4.6 mph - N/A   Clear
2:15 PM 87.8 °F 86.5 °F 57.2 °F 35% 30.07 in 10.0 mi ESE 5.8 mph - N/A   Clear
3:15 PM 89.6 °F 87.7 °F 55.4 °F 31% 30.05 in 10.0 mi ESE 4.6 mph - N/A   Clear
3:35 PM 89.6 °F 87.7 °F 55.4 °F 31% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:55 PM 89.6 °F 87.7 °F 55.4 °F 31% 30.04 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:15 PM 91.4 °F 89.4 °F 55.4 °F 29% 30.04 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 87.8 °F 85.7 °F 53.6 °F 31% 30.03 in 10.0 mi Calm Calm - N/A   Clear
5:15 PM 89.6 °F 87.3 °F 53.6 °F 29% 30.03 in 10.0 mi West 4.6 mph - N/A   Clear
5:35 PM 89.6 °F 87.7 °F 55.4 °F 31% 30.03 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 87.8 °F 86.5 °F 57.2 °F 35% 30.02 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 78.8 °F - 59.0 °F 51% 30.03 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 75.2 °F - 60.8 °F 61% 30.03 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 71.6 °F - 60.8 °F 69% 30.04 in 9.0 mi Calm Calm - N/A   Clear
8:15 PM 69.8 °F - 60.8 °F 73% 30.04 in 5.0 mi Calm Calm - N/A   Clear
8:35 PM 71.6 °F - 60.8 °F 69% 30.04 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:55 PM 66.2 °F - 60.8 °F 83% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 64.4 °F - 60.8 °F 88% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 62.6 °F - 57.2 °F 82% 30.06 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 62.6 °F - 59.0 °F 88% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 64.4 °F - 59.0 °F 83% 30.06 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 59.0 °F - 55.4 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Clear