Weather History for Cahokia, IL

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Saturday, August 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 88 °F -  
Max Temperature 100 °F 79 °F 100 °F (2011)
Min Temperature 75 °F 60 °F 52 °F (1967)
Cooling Degree Days 22    
Growing Degree Days 38 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 61    
Maximum Humidity 94    
Minimum Humidity 32    
Precipitation  
Precipitation 0.24 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 62 mph    
Visibility 9 miles    
Events Rain , 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

Aug. 31, 2013 Rise Set
Actual Time 6:29 AM CDT 7:31 PM CDT
Civil Twilight 6:01 AM CDT 7:58 PM CDT
Nautical Twilight 5:29 AM CDT 8:31 PM CDT
Astronomical Twilight 4:55 AM CDT 9:04 PM CDT
Moon 2:00 AM CDT (8/31) 4:28 PM CDT (8/31)
Length of Visible Light 13h 56m
Length of Day
13h 02m
Waning Crescent, 21% of the Moon is Illuminated
Aug 31
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
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
12:53 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.83 in 10.0 mi SW 3.5 mph - N/A   Clear
1:53 AM 81.0 °F 85.8 °F 73.0 °F 77% 29.82 in 10.0 mi SW 4.6 mph - N/A   Clear
2:53 AM 79.0 °F - 73.0 °F 82% 29.82 in 10.0 mi SW 4.6 mph - N/A   Clear
3:53 AM 79.0 °F - 72.0 °F 79% 29.82 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:53 AM 79.0 °F - 72.0 °F 79% 29.82 in 10.0 mi SW 3.5 mph - N/A   Clear
5:53 AM 79.0 °F - 72.0 °F 79% 29.81 in 10.0 mi SW 4.6 mph - N/A   Clear
6:53 AM 78.1 °F - 71.1 °F 79% 29.82 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 80.1 °F 83.8 °F 72.0 °F 76% 29.83 in 10.0 mi SW 4.6 mph - N/A   Clear
8:53 AM 82.9 °F 88.0 °F 72.0 °F 69% 29.84 in 10.0 mi SW 4.6 mph - N/A   Clear
9:53 AM 88.0 °F 95.6 °F 73.0 °F 61% 29.84 in 10.0 mi Variable 4.6 mph - N/A   Clear
10:53 AM 91.9 °F 97.4 °F 70.0 °F 48% 29.83 in 10.0 mi WSW 4.6 mph - N/A   Clear
11:53 AM 95.0 °F 101.3 °F 70.0 °F 44% 29.80 in 10.0 mi SSW 6.9 mph - N/A   Clear
12:53 PM 96.1 °F 99.9 °F 66.9 °F 38% 29.78 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:53 PM 99.0 °F 101.7 °F 64.0 °F 32% 29.77 in 10.0 mi West 8.1 mph - N/A   Clear
2:53 PM 99.0 °F 102.3 °F 64.9 °F 33% 29.74 in 10.0 mi West 9.2 mph - N/A   Clear
3:53 PM 100.0 °F 103.6 °F 64.9 °F 32% 29.73 in 10.0 mi Variable 5.8 mph - N/A   Clear
4:53 PM 97.0 °F 100.4 °F 66.0 °F 36% 29.72 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
5:53 PM 97.0 °F 101.0 °F 66.9 °F 37% 29.70 in 10.0 mi WSW 5.8 mph 16.1 mph N/A   Partly Cloudy
6:53 PM 95.0 °F 99.0 °F 66.9 °F 40% 29.70 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:53 PM 93.0 °F 96.4 °F 66.9 °F 42% 29.72 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
8:31 PM 91.4 °F 94.0 °F 66.2 °F 43% 29.77 in 10.0 mi WNW 15.0 mph 23.0 mph 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
8:38 PM 82.4 °F 84.6 °F 66.2 °F 58% 29.76 in 2.5 mi NNW 12.7 mph 62.1 mph 0.14 in Rain , Thunderstorm Light Thunderstorms and Rain
8:46 PM 82.4 °F 83.9 °F 64.4 °F 54% 29.76 in 5.0 mi SSE 9.2 mph 24.2 mph 0.20 in Rain , Thunderstorm Light Thunderstorms and Rain
8:53 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.75 in 5.0 mi Calm Calm - 0.23 in Rain , Thunderstorm Light Thunderstorms and Rain
9:20 PM 75.2 °F - 73.4 °F 94% 29.76 in 9.0 mi SW 5.8 mph - 0.01 in Rain Light Rain
9:53 PM 79.0 °F - 73.0 °F 82% 29.75 in 10.0 mi SW 3.5 mph - 0.01 in   Clear
10:53 PM 79.0 °F - 75.0 °F 88% 29.77 in 9.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
11:53 PM 77.0 °F - 73.9 °F 90% 29.77 in 8.0 mi Calm Calm - N/A   Clear