Weather History for Mount Vernon, IL

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Wednesday, May 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 77 °F 73 °F 87 °F (2007)
Min Temperature 64 °F 53 °F 39 °F (1997)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 57    
Maximum Humidity 78    
Minimum Humidity 47    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 10 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 25 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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Astronomy

May. 22, 2013 Rise Set
Actual Time 5:38 AM CDT 8:05 PM CDT
Civil Twilight 5:08 AM CDT 8:36 PM CDT
Nautical Twilight 4:30 AM CDT 9:13 PM CDT
Astronomical Twilight 3:49 AM CDT 9:55 PM CDT
Moon 5:29 PM CDT (5/22) 3:40 AM CDT (5/22)
Length of Visible Light 15h 27m
Length of Day
14h 27m
Waxing Gibbous, 91% of the Moon is Illuminated
May 22
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 66.2 °F 59.0 °F 78% 29.78 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:35 AM 66.2 °F 59.0 °F 78% 29.77 in 10.0 mi South 10.4 mph 17.3 mph N/A   Overcast
12:55 AM 66.2 °F 59.0 °F 78% 29.76 in 10.0 mi South 11.5 mph 17.3 mph N/A   Overcast
5:35 AM 64.4 °F 55.4 °F 73% 29.74 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
8:55 AM 66.2 °F 55.4 °F 68% 29.78 in 10.0 mi SSW 13.8 mph - N/A   Overcast
9:35 AM 68.0 °F 51.8 °F 56% 29.78 in 10.0 mi SW 12.7 mph 16.1 mph N/A   Unknown
9:55 AM 69.8 °F 59.0 °F 68% 29.78 in 10.0 mi SW 12.7 mph - N/A   Overcast
10:15 AM 71.6 °F 59.0 °F 64% 29.78 in 10.0 mi SSW 15.0 mph - N/A   Overcast
10:35 AM 71.6 °F 57.2 °F 60% 29.79 in 10.0 mi SSW 12.7 mph - N/A   Overcast
10:55 AM 71.6 °F 57.2 °F 60% 29.80 in 10.0 mi SW 13.8 mph 19.6 mph N/A   Overcast
11:15 AM 71.6 °F 57.2 °F 60% 29.80 in 10.0 mi SSW 15.0 mph 18.4 mph N/A   Overcast
11:35 AM 71.6 °F 57.2 °F 60% 29.80 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
11:55 AM 71.6 °F 59.0 °F 64% 29.81 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
12:15 PM 73.4 °F 57.2 °F 57% 29.81 in 10.0 mi SSW 8.1 mph 18.4 mph N/A   Mostly Cloudy
12:35 PM 73.4 °F 57.2 °F 57% 29.80 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
12:55 PM 73.4 °F 57.2 °F 57% 29.80 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Overcast
1:15 PM 73.4 °F 57.2 °F 57% 29.80 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Mostly Cloudy
1:35 PM 75.2 °F 57.2 °F 53% 29.80 in 10.0 mi SSW 12.7 mph 16.1 mph N/A   Mostly Cloudy
1:55 PM 75.2 °F 55.4 °F 50% 29.80 in 10.0 mi SSW 15.0 mph 18.4 mph N/A   Mostly Cloudy
2:15 PM 77.0 °F 57.2 °F 50% 29.79 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
2:35 PM 75.2 °F 55.4 °F 50% 29.80 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
2:55 PM 75.2 °F 57.2 °F 53% 29.79 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
3:15 PM 77.0 °F 55.4 °F 47% 29.79 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
3:35 PM 73.4 °F 53.6 °F 50% 29.78 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
3:55 PM 73.4 °F 55.4 °F 53% 29.78 in 10.0 mi SW 11.5 mph - N/A   Overcast
4:15 PM 75.2 °F 55.4 °F 50% 29.79 in 10.0 mi SW 16.1 mph 25.3 mph N/A   Mostly Cloudy
4:35 PM 75.2 °F 53.6 °F 47% 29.78 in 10.0 mi SSW 13.8 mph 19.6 mph N/A   Partly Cloudy
4:55 PM 75.2 °F 55.4 °F 50% 29.78 in 10.0 mi SSW 12.7 mph - N/A   Clear
5:15 PM 75.2 °F 57.2 °F 53% 29.77 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
5:35 PM 73.4 °F 53.6 °F 50% 29.78 in 10.0 mi SW 13.8 mph 18.4 mph N/A   Mostly Cloudy
5:55 PM 75.2 °F 55.4 °F 50% 29.77 in 10.0 mi SW 8.1 mph - N/A   Overcast
6:15 PM 75.2 °F 55.4 °F 50% 29.78 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Mostly Cloudy
6:35 PM 75.2 °F 55.4 °F 50% 29.78 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
6:55 PM 73.4 °F 55.4 °F 53% 29.78 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
7:15 PM 73.4 °F 53.6 °F 50% 29.78 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:36 PM 71.6 °F 53.6 °F 53% 29.79 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
7:55 PM 71.6 °F 53.6 °F 53% 29.80 in 10.0 mi West 4.6 mph - N/A   Overcast
8:15 PM 71.6 °F 53.6 °F 53% 29.80 in 10.0 mi West 3.5 mph - N/A   Overcast
8:35 PM 69.8 °F 53.6 °F 56% 29.81 in 10.0 mi West 4.6 mph - N/A   Overcast
8:55 PM 69.8 °F 53.6 °F 56% 29.82 in 10.0 mi West 4.6 mph - N/A   Overcast
9:15 PM 69.8 °F 51.8 °F 53% 29.82 in 10.0 mi West 3.5 mph - N/A   Overcast
9:35 PM 69.8 °F 51.8 °F 53% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:55 PM 69.8 °F 51.8 °F 53% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
10:15 PM 69.8 °F 51.8 °F 53% 29.85 in 10.0 mi West 3.5 mph - N/A   Overcast
10:35 PM 68.0 °F 51.8 °F 56% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 66.2 °F 51.8 °F 60% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 66.2 °F 51.8 °F 60% 29.86 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:35 PM 66.2 °F 51.8 °F 60% 29.87 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
11:55 PM 64.4 °F 51.8 °F 64% 29.87 in 10.0 mi Calm Calm - N/A   Scattered Clouds