Weather History for Mount Vernon, IL

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Friday, September 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 69 °F 78 °F 87 °F (1998)
Min Temperature 55 °F 54 °F 41 °F (1996)
Degree Days  
Heating Degree Days 3    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 79    
Maximum Humidity 94    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 4 mph (NNE)    
Max Wind Speed 13 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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Date:

Astronomy

Sep. 14, 2012 Rise Set
Actual Time 6:36 AM CDT 7:04 PM CDT
Civil Twilight 6:10 AM CDT 7:30 PM CDT
Nautical Twilight 5:38 AM CDT 8:01 PM CDT
Astronomical Twilight 5:06 AM CDT 8:33 PM CDT
Moon 5:01 AM CDT (9/14) 6:00 PM CDT (9/14)
Length of Visible Light 13h 20m
Length of Day
12h 27m
Waning Crescent, 2% of the Moon is Illuminated
Sep 14
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last 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 62.6 °F 55.4 °F 77% 30.25 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:35 AM 62.6 °F 55.4 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 AM 62.6 °F 53.6 °F 72% 30.25 in 10.0 mi NNE 4.6 mph - N/A   Clear
1:15 AM 62.6 °F 53.6 °F 72% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 62.6 °F 53.6 °F 72% 30.25 in 10.0 mi North 3.5 mph - N/A   Clear
1:55 AM 60.8 °F 53.6 °F 77% 30.26 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi NNE 4.6 mph - N/A   Clear
2:35 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:55 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:15 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
3:35 AM 60.8 °F 55.4 °F 82% 30.25 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
3:55 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
4:15 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi North 3.5 mph - N/A   Overcast
4:35 AM 60.8 °F 55.4 °F 82% 30.24 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:55 AM 60.8 °F 55.4 °F 82% 30.24 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
5:15 AM 60.8 °F 55.4 °F 82% 30.25 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
5:35 AM 60.8 °F 55.4 °F 82% 30.26 in 10.0 mi North 3.5 mph - N/A   Overcast
5:55 AM 60.8 °F 55.4 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
6:15 AM 60.8 °F 55.4 °F 82% 30.27 in 10.0 mi North 4.6 mph - N/A   Overcast
6:35 AM 60.8 °F 55.4 °F 82% 30.27 in 10.0 mi NNE 5.8 mph - N/A   Overcast
6:55 AM 60.8 °F 55.4 °F 82% 30.27 in 10.0 mi North 6.9 mph - N/A   Overcast
7:15 AM 60.8 °F 55.4 °F 82% 30.28 in 10.0 mi NNE 5.8 mph - N/A   Overcast
7:35 AM 60.8 °F 55.4 °F 82% 30.29 in 10.0 mi North 8.1 mph - N/A   Overcast
7:55 AM 60.8 °F 55.4 °F 82% 30.29 in 10.0 mi NNE 4.6 mph - N/A   Overcast
8:15 AM 60.8 °F 55.4 °F 82% 30.29 in 10.0 mi North 5.8 mph - N/A   Overcast
8:35 AM 60.8 °F 57.2 °F 88% 30.30 in 10.0 mi North 4.6 mph - N/A   Overcast
8:55 AM 60.8 °F 55.4 °F 82% 30.30 in 10.0 mi NNE 8.1 mph - N/A   Overcast
9:15 AM 60.8 °F 55.4 °F 82% 30.31 in 8.0 mi NNE 6.9 mph - N/A   Overcast
9:35 AM 60.8 °F 57.2 °F 88% 30.31 in 10.0 mi North 5.8 mph - N/A   Overcast
9:55 AM 60.8 °F 57.2 °F 88% 30.31 in 10.0 mi NNE 8.1 mph - N/A   Overcast
10:15 AM 60.8 °F 57.2 °F 88% 30.32 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:35 AM 60.8 °F 57.2 °F 88% 30.32 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:55 AM 62.6 °F 57.2 °F 82% 30.32 in 10.0 mi NE 6.9 mph - N/A   Overcast
11:15 AM 62.6 °F 57.2 °F 82% 30.33 in 10.0 mi NNE 8.1 mph - N/A   Overcast
11:35 AM - - N/A% 30.32 in 10.0 mi NNE 6.9 mph - N/A   Overcast
11:55 AM - - N/A% 30.32 in 10.0 mi NNE 8.1 mph - N/A   Overcast
12:15 PM - - N/A% 30.32 in 10.0 mi NNE 9.2 mph - N/A   Overcast
12:35 PM - - N/A% 30.32 in 10.0 mi NNE 8.1 mph - N/A   Overcast
12:55 PM - - N/A% 30.32 in 10.0 mi NNE 10.4 mph - N/A   Overcast
1:15 PM - - N/A% 30.31 in 10.0 mi NNE 9.2 mph - N/A   Overcast
1:35 PM - - N/A% 30.31 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
1:55 PM - - N/A% 30.31 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
2:15 PM - - N/A% 30.30 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
2:35 PM - - N/A% 30.30 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
2:55 PM - - N/A% 30.29 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
3:15 PM 69.8 °F 57.2 °F 64% 30.29 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
3:35 PM 69.8 °F 55.4 °F 60% 30.29 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
3:55 PM 69.8 °F 53.6 °F 56% 30.28 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:15 PM 69.8 °F 51.8 °F 53% 30.29 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:35 PM - - N/A% 30.28 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:55 PM 69.8 °F 53.6 °F 56% 30.28 in 10.0 mi NE 4.6 mph - N/A   Clear
5:15 PM 69.8 °F 51.8 °F 53% 30.28 in 10.0 mi NNE 6.9 mph - N/A   Clear
5:35 PM - - N/A% 30.28 in 10.0 mi NNE 3.5 mph - N/A   Clear
5:55 PM - - N/A% 30.28 in 10.0 mi NNE 3.5 mph - N/A   Clear
6:15 PM - - N/A% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM - - N/A% 30.27 in 10.0 mi North 3.5 mph - N/A   Clear
6:55 PM - - N/A% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM - - N/A% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM - - N/A% 30.28 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM - - N/A% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 57.2 °F 53.6 °F 88% 30.29 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 57.2 °F 53.6 °F 88% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 57.2 °F 53.6 °F 88% 30.30 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 57.2 °F 53.6 °F 88% 30.30 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 55.4 °F 53.6 °F 94% 30.30 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 57.2 °F 53.6 °F 88% 30.31 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 55.4 °F 51.8 °F 88% 30.31 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 55.4 °F 51.8 °F 88% 30.31 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 55.4 °F 51.8 °F 88% 30.30 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 57.2 °F 51.8 °F 82% 30.31 in 10.0 mi NNE 4.6 mph - N/A   Clear
11:55 PM 57.2 °F 51.8 °F 82% 30.31 in 10.0 mi NE 3.5 mph - N/A   Clear