Weather History for Mount Vernon, IL

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Monday, June 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 84 °F 79 °F 91 °F (1999)
Min Temperature 64 °F 61 °F 55 °F (2013)
Cooling Degree Days 9    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 66    
Precipitation  
Precipitation 0.50 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Thunderstorm    
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

Jun. 11, 2012 Rise Set
Actual Time 5:31 AM CDT 8:19 PM CDT
Civil Twilight 4:59 AM CDT 8:50 PM CDT
Nautical Twilight 4:20 AM CDT 9:30 PM CDT
Astronomical Twilight 3:35 AM CDT 10:15 PM CDT
Moon 12:44 AM CDT (6/11) 1:14 PM CDT (6/11)
Length of Visible Light 15h 51m
Length of Day
14h 47m
Waning Gibbous, 47% of the Moon is Illuminated
Jun 11
Waning Gibbous
Jun 19
New
Jun 26
First Quarter
Jul 3
Full
Jul 10
Last Quarter

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 68.0 °F - 64.4 °F 88% 29.92 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 68.0 °F - 64.4 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 AM 68.0 °F - 64.4 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:15 AM 66.2 °F - 64.4 °F 94% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
1:35 AM 69.8 °F - 66.2 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
1:55 AM 69.8 °F - 64.4 °F 83% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
2:15 AM 69.8 °F - 66.2 °F 88% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
2:35 AM 71.6 °F - 66.2 °F 83% 29.92 in 6.0 mi Calm Calm - N/A   Overcast
2:55 AM 71.6 °F - 66.2 °F 83% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
3:15 AM 71.6 °F - 66.2 °F 83% 29.91 in 10.0 mi SSE 4.6 mph - N/A   Overcast
3:35 AM 71.6 °F - 66.2 °F 83% 29.90 in 10.0 mi SE 5.8 mph - N/A   Overcast
3:55 AM 71.6 °F - 66.2 °F 83% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Overcast
4:15 AM 71.6 °F - 66.2 °F 83% 29.91 in 10.0 mi SE 3.5 mph - N/A   Overcast
4:35 AM 69.8 °F - 66.2 °F 88% 29.91 in 10.0 mi SSE 3.5 mph - N/A   Overcast
4:55 AM 69.8 °F - 66.2 °F 88% 29.92 in 10.0 mi SE 3.5 mph - N/A   Overcast
5:15 AM 69.8 °F - 66.2 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 69.8 °F - 66.2 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 69.8 °F - 66.2 °F 88% 29.94 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:15 AM 71.6 °F - 66.2 °F 83% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Overcast
6:55 AM 71.6 °F - 66.2 °F 83% 29.94 in 10.0 mi South 5.8 mph - N/A   Overcast
7:35 AM - - - N/A% 29.93 in 10.0 mi South 8.1 mph - N/A   Overcast
7:55 AM - - - N/A% 29.93 in 10.0 mi South 5.8 mph - N/A   Overcast
8:15 AM - - - N/A% 29.92 in 10.0 mi SSE 8.1 mph - N/A   Overcast
8:35 AM - - - N/A% 29.93 in 10.0 mi SSW 10.4 mph - N/A   Overcast
8:55 AM - - - N/A% 29.94 in 10.0 mi South 9.2 mph - N/A   Overcast
9:15 AM - - - N/A% 29.93 in 10.0 mi SSW 9.2 mph - N/A   Overcast
9:35 AM 77.0 °F - 69.8 °F 78% 29.94 in 10.0 mi SSW 9.2 mph - N/A   Overcast
9:55 AM 77.0 °F - 69.8 °F 78% 29.94 in 10.0 mi SW 10.4 mph - N/A   Overcast
10:15 AM 78.8 °F - 69.8 °F 74% 29.93 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
10:35 AM 80.6 °F 84.6 °F 71.6 °F 74% 29.92 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
10:56 AM 82.4 °F 87.2 °F 71.6 °F 70% 29.93 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
11:15 AM 82.4 °F 87.2 °F 71.6 °F 70% 29.93 in 10.0 mi SSW 9.2 mph 16.1 mph N/A   Mostly Cloudy
11:35 AM 82.4 °F 87.2 °F 71.6 °F 70% 29.93 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
11:55 AM 84.2 °F 89.6 °F 71.6 °F 66% 29.93 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
12:15 PM 84.2 °F 89.6 °F 71.6 °F 66% 29.95 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
12:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.95 in 10.0 mi SW 6.9 mph - N/A   Overcast
12:55 PM 75.2 °F - 64.4 °F 69% 29.99 in 10.0 mi North 12.7 mph 25.3 mph N/A   Overcast
1:15 PM 69.8 °F - 64.4 °F 83% 30.00 in 4.0 mi North 3.5 mph - 0.15 in Thunderstorm Mostly Cloudy
1:35 PM 68.0 °F - 64.4 °F 88% 30.00 in 8.0 mi Calm Calm - 0.22 in Thunderstorm Thunderstorm
1:55 PM 68.0 °F - 64.4 °F 88% 30.00 in 8.0 mi NE 5.8 mph - 0.32 in Thunderstorm Thunderstorm
2:15 PM 68.0 °F - 64.4 °F 88% 29.99 in 10.0 mi NNE 3.5 mph - 0.04 in Thunderstorm Overcast
2:35 PM 68.0 °F - 64.4 °F 88% 29.95 in 6.0 mi ENE 5.8 mph - 0.11 in Thunderstorm Thunderstorm
2:55 PM 69.8 °F - 66.2 °F 88% 29.91 in 8.0 mi ESE 9.2 mph - 0.17 in   Overcast
3:35 PM 69.8 °F - 64.4 °F 83% 29.87 in 10.0 mi Calm Calm - 0.01 in   Partly Cloudy
3:55 PM - - - N/A% 29.88 in 10.0 mi WSW 11.5 mph 18.4 mph 0.01 in   Clear
4:15 PM - - - N/A% 29.89 in 10.0 mi WSW 6.9 mph - N/A   Clear
4:35 PM - - - N/A% 29.88 in 10.0 mi SW 9.2 mph - N/A   Clear
4:55 PM - - - N/A% 29.85 in 10.0 mi South 6.9 mph - N/A   Clear
5:15 PM - - - N/A% 29.85 in 10.0 mi South 6.9 mph - N/A   Clear
5:35 PM - - - N/A% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Clear
5:55 PM - - - N/A% 29.89 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:35 PM - - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM - - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM - - - N/A% 29.89 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM - - - N/A% 29.89 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM - - - N/A% 29.88 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM - - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM - - - N/A% 29.90 in 9.0 mi Calm Calm - N/A   Clear
8:55 PM - - - N/A% 29.91 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 PM - - - N/A% 29.92 in 1.2 mi Calm Calm - N/A   Overcast
9:35 PM - - - N/A% 29.93 in 1.8 mi Calm Calm - N/A   Overcast
9:55 PM - - - N/A% 29.93 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
10:15 PM - - - N/A% 29.94 in 2.5 mi Calm Calm - N/A   Partly Cloudy
10:35 PM - - - N/A% 29.95 in 7.0 mi WSW 3.5 mph - N/A   Clear
10:55 PM - - - N/A% 29.95 in 5.0 mi Calm Calm - N/A   Clear
11:15 PM 64.4 °F - 62.6 °F 94% 29.95 in 0.5 mi Calm Calm - N/A   Unknown
11:35 PM 64.4 °F - 62.6 °F 94% 29.96 in 1.5 mi Calm Calm - N/A   Clear
11:55 PM - - - N/A% 29.95 in 0.5 mi Calm Calm - N/A   Unknown