Weather History for Cahokia, IL

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Thursday, September 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F -  
Max Temperature 84 °F 81 °F 97 °F (1956)
Min Temperature 66 °F 61 °F 46 °F (1997)
Cooling Degree Days 12    
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 59    
Maximum Humidity 84    
Minimum Humidity 38    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 23 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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Date:

Astronomy

Sep. 12, 2013 Rise Set
Actual Time 6:39 AM CDT 7:13 PM CDT
Civil Twilight 6:13 AM CDT 7:39 PM CDT
Nautical Twilight 5:41 AM CDT 8:11 PM CDT
Astronomical Twilight 5:09 AM CDT 8:43 PM CDT
Moon 2:02 PM CDT (9/12) No Moon Set
Length of Visible Light 13h 26m
Length of Day
12h 33m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 12
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 79.0 °F - 66.9 °F 66% 30.01 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:53 AM 78.1 °F - 66.9 °F 68% 30.01 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:53 AM 78.1 °F - 66.9 °F 68% 30.01 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
3:53 AM 73.9 °F - 68.0 °F 82% 30.02 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
4:53 AM 73.0 °F - 68.0 °F 84% 30.01 in 9.0 mi Calm Calm - N/A   Clear
5:53 AM 72.0 °F - 66.9 °F 84% 30.03 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 75.0 °F - 66.9 °F 76% 30.06 in 10.0 mi North 15.0 mph 21.9 mph N/A   Mostly Cloudy
7:53 AM 73.9 °F - 68.0 °F 82% 30.07 in 10.0 mi North 11.5 mph - 0.02 in   Mostly Cloudy
8:53 AM 75.0 °F - 66.9 °F 76% 30.09 in 10.0 mi North 13.8 mph - N/A   Partly Cloudy
9:26 AM 75.2 °F - 66.2 °F 73% 30.09 in 10.0 mi North 11.5 mph - N/A   Overcast
9:53 AM 75.9 °F - 66.9 °F 74% 30.08 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
10:53 AM 80.1 °F 81.9 °F 64.9 °F 60% 30.06 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 82.0 °F 83.4 °F 64.0 °F 54% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
12:53 PM 84.0 °F 84.0 °F 60.1 °F 44% 30.04 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
1:53 PM 81.0 °F 81.1 °F 57.9 °F 45% 30.04 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
2:53 PM 84.9 °F 84.4 °F 59.0 °F 41% 30.02 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
3:53 PM 84.0 °F 83.5 °F 57.9 °F 41% 30.00 in 10.0 mi NW 10.4 mph - N/A   Clear
4:53 PM 84.9 °F 83.9 °F 57.0 °F 38% 29.99 in 10.0 mi NW 12.7 mph - N/A   Clear
5:53 PM 84.0 °F 83.5 °F 57.9 °F 41% 29.98 in 10.0 mi NW 11.5 mph - N/A   Clear
6:53 PM 81.0 °F 81.6 °F 60.1 °F 49% 29.98 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
7:53 PM 80.1 °F 80.4 °F 57.0 °F 45% 30.00 in 10.0 mi North 12.7 mph 23.0 mph N/A   Scattered Clouds
8:53 PM 75.9 °F - 52.0 °F 43% 30.03 in 10.0 mi North 12.7 mph 19.6 mph N/A   Partly Cloudy
9:53 PM 73.9 °F - 48.0 °F 40% 30.05 in 10.0 mi North 12.7 mph - N/A   Clear
10:53 PM 70.0 °F - 48.0 °F 46% 30.06 in 10.0 mi North 8.1 mph - N/A   Clear
11:53 PM 66.9 °F - 50.0 °F 54% 30.06 in 10.0 mi North 6.9 mph - N/A   Clear