Weather History for Cahokia, IL

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Thursday, September 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 80 °F -  
Max Temperature 91 °F 78 °F 101 °F (1954)
Min Temperature 66 °F 62 °F 48 °F (2003)
Cooling Degree Days 14    
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 0 mph (SE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Fog , Rain    
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

Sep. 06, 2012 Rise Set
Actual Time 6:34 AM CDT 7:22 PM CDT
Civil Twilight 6:07 AM CDT 7:49 PM CDT
Nautical Twilight 5:35 AM CDT 8:20 PM CDT
Astronomical Twilight 5:03 AM CDT 8:53 PM CDT
Moon 10:37 PM CDT (9/6) 12:29 PM CDT (9/6)
Length of Visible Light 13h 41m
Length of Day
12h 47m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 6
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F - 70.0 °F 96% 29.88 in 8.0 mi Calm Calm - N/A   Clear
1:53 AM 70.0 °F - 68.0 °F 93% 29.87 in 1.8 mi Calm Calm - 0.01 in   Clear
2:03 AM 69.8 °F - 68.0 °F 94% 29.88 in 0.2 mi Calm Calm - N/A Fog Fog
2:15 AM 69.8 °F - 69.8 °F 100% 29.88 in 0.5 mi Calm Calm - N/A Fog Fog
2:26 AM 69.8 °F - 69.8 °F 100% 29.88 in 1.8 mi Calm Calm - N/A   Clear
2:41 AM 69.8 °F - 68.0 °F 94% 29.88 in 3.0 mi Calm Calm - N/A   Clear
2:48 AM 69.8 °F - 68.0 °F 94% 29.88 in 1.8 mi Calm Calm - N/A   Clear
2:53 AM 69.1 °F - 68.0 °F 96% 29.86 in 0.5 mi Calm Calm - N/A Fog Fog
3:08 AM 69.8 °F - 69.8 °F 100% 29.87 in 2.0 mi Calm Calm - N/A   Clear
3:15 AM 69.8 °F - 68.0 °F 94% 29.88 in 5.0 mi Calm Calm - N/A   Clear
3:37 AM 68.0 °F - 68.0 °F 100% 29.88 in 1.2 mi Calm Calm - N/A   Clear
3:45 AM 69.8 °F - 68.0 °F 94% 29.88 in 0.8 mi Calm Calm - N/A   Clear
3:49 AM 69.8 °F - 68.0 °F 94% 29.88 in 2.0 mi Calm Calm - N/A   Clear
3:53 AM 69.1 °F - 68.0 °F 96% 29.87 in 5.0 mi Calm Calm - N/A   Clear
4:00 AM 69.8 °F - 68.0 °F 94% 29.88 in 1.5 mi Calm Calm - N/A   Clear
4:08 AM 68.0 °F - 66.2 °F 94% 29.89 in 0.5 mi Calm Calm - N/A Fog Fog
4:26 AM 68.0 °F - 66.2 °F 94% 29.89 in 0.5 mi Calm Calm - N/A Fog Fog
4:34 AM 69.8 °F - 68.0 °F 94% 29.88 in 1.2 mi Calm Calm - N/A   Partly Cloudy
4:37 AM 69.8 °F - 68.0 °F 94% 29.89 in 3.0 mi Calm Calm - N/A   Partly Cloudy
4:45 AM 69.8 °F - 68.0 °F 94% 29.89 in 1.8 mi Calm Calm - N/A   Clear
4:53 AM 69.1 °F - 66.9 °F 93% 29.88 in 1.0 mi Calm Calm - N/A   Clear
4:59 AM 69.8 °F - 68.0 °F 94% 29.89 in 3.0 mi Calm Calm - N/A   Clear
5:18 AM 69.8 °F - 66.2 °F 88% 29.90 in 2.5 mi Calm Calm - N/A   Clear
5:25 AM 68.0 °F - 66.2 °F 94% 29.90 in 5.0 mi Calm Calm - N/A   Clear
5:45 AM 68.0 °F - 66.2 °F 94% 29.90 in 2.5 mi Calm Calm - N/A   Clear
5:53 AM 68.0 °F - 66.9 °F 96% 29.89 in 4.0 mi Calm Calm - N/A   Clear
6:49 AM 69.8 °F - 68.0 °F 94% 29.92 in 2.0 mi Calm Calm - N/A   Clear
6:53 AM 69.1 °F - 66.9 °F 93% 29.91 in 2.0 mi Calm Calm - N/A   Clear
7:51 AM 71.6 °F - 69.8 °F 94% 29.94 in 3.0 mi Calm Calm - N/A   Clear
7:53 AM 72.0 °F - 70.0 °F 93% 29.93 in 3.0 mi Calm Calm - N/A   Clear
8:53 AM 75.9 °F - 72.0 °F 87% 29.94 in 4.0 mi Calm Calm - N/A   Clear
9:53 AM 81.0 °F 85.8 °F 73.0 °F 77% 29.95 in 9.0 mi Calm Calm - N/A   Clear
10:53 AM 84.0 °F 91.2 °F 73.9 °F 72% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 87.1 °F 93.6 °F 72.0 °F 61% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 89.1 °F 94.1 °F 70.0 °F 53% 29.93 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
1:53 PM 91.0 °F 96.6 °F 70.0 °F 50% 29.91 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
2:53 PM 91.0 °F 96.6 °F 70.0 °F 50% 29.88 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 88.0 °F 94.7 °F 72.0 °F 59% 29.88 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
4:53 PM 84.9 °F 91.4 °F 73.0 °F 67% 29.88 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
5:25 PM 71.6 °F - 64.4 °F 78% 29.97 in 10.0 mi SSW 8.1 mph - 0.03 in Rain Light Rain
5:53 PM 72.0 °F - 64.9 °F 78% 29.93 in 10.0 mi South 6.9 mph - 0.03 in   Clear
8:53 PM 66.9 °F - 64.0 °F 90% 29.89 in 10.0 mi Calm Calm - N/A   Clear