Weather History for Cahokia, IL

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Sunday, September 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 67 °F -  
Max Temperature 73 °F 71 °F 96 °F (1954)
Min Temperature 61 °F 59 °F 42 °F (2000)
Cooling Degree Days 2    
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 82    
Maximum Humidity 97    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 1 mph (South)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 9 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. 16, 2012 Rise Set
Actual Time 6:43 AM CDT 7:06 PM CDT
Civil Twilight 6:16 AM CDT 7:32 PM CDT
Nautical Twilight 5:45 AM CDT 8:04 PM CDT
Astronomical Twilight 5:13 AM CDT 8:35 PM CDT
Moon 7:21 AM CDT (9/16) 7:12 PM CDT (9/16)
Length of Visible Light 13h 16m
Length of Day
12h 22m
New Moon, 0% of the Moon is Illuminated
Sep 16
New Moon
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 62.1 °F 57.0 °F 84% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 62.1 °F 57.0 °F 84% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 61.0 °F 55.9 °F 83% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 62.1 °F 57.9 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
4:35 AM 62.6 °F 57.2 °F 82% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 62.1 °F 59.0 °F 90% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 62.1 °F 57.9 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 66.0 °F 55.9 °F 70% 30.11 in 10.0 mi SE 4.6 mph - N/A   Overcast
10:53 AM 68.0 °F 57.9 °F 70% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Overcast
12:53 PM 71.1 °F 60.1 °F 68% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 71.1 °F 62.1 °F 73% 30.05 in 10.0 mi West 3.5 mph - N/A   Overcast
2:53 PM 71.1 °F 63.0 °F 75% 30.04 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:53 PM 72.0 °F 63.0 °F 73% 30.02 in 10.0 mi SSW 3.5 mph - N/A   Overcast
4:10 PM 73.4 °F 64.4 °F 73% 30.02 in 10.0 mi South 5.8 mph - N/A   Overcast
4:53 PM 72.0 °F 63.0 °F 73% 30.01 in 10.0 mi South 3.5 mph - N/A   Overcast
5:53 PM 71.1 °F 64.0 °F 78% 30.00 in 10.0 mi South 3.5 mph - N/A   Overcast
6:53 PM 71.1 °F 64.0 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:22 PM 68.0 °F 64.4 °F 88% 30.00 in 9.0 mi Calm Calm - N/A   Scattered Clouds
7:53 PM 66.9 °F 64.0 °F 90% 30.00 in 7.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:53 PM 64.0 °F 62.1 °F 93% 30.01 in 4.0 mi South 3.5 mph - N/A   Clear
9:53 PM 63.0 °F 62.1 °F 97% 30.01 in 3.0 mi Calm Calm - N/A   Clear
10:53 PM 62.1 °F 60.1 °F 93% 30.00 in 3.0 mi Calm Calm - N/A   Clear
11:53 PM 64.0 °F 62.1 °F 93% 29.99 in 4.0 mi South 4.6 mph - N/A   Clear