Weather History for Cahokia, IL

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Thursday, August 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 82 °F -  
Max Temperature 98 °F 88 °F 99 °F (2003)
Min Temperature 69 °F 68 °F 48 °F (2004)
Cooling Degree Days 18    
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 76    
Maximum Humidity 94    
Minimum Humidity 38    
Precipitation  
Precipitation 1.35 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 36 mph    
Visibility 8 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. 16, 2012 Rise Set
Actual Time 6:16 AM CDT 7:52 PM CDT
Civil Twilight 5:47 AM CDT 8:20 PM CDT
Nautical Twilight 5:13 AM CDT 8:54 PM CDT
Astronomical Twilight 4:37 AM CDT 9:30 PM CDT
Moon 5:14 AM CDT (8/16) 7:02 PM CDT (8/16)
Length of Visible Light 14h 33m
Length of Day
13h 36m
Waning Crescent, 1% of the Moon is Illuminated
Aug 16
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
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
1:53 AM 70.0 °F - 60.1 °F 71% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 69.1 °F - 60.1 °F 73% 29.91 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 69.1 °F - 61.0 °F 75% 29.92 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:53 AM 69.1 °F - 61.0 °F 75% 29.91 in 10.0 mi South 5.8 mph - N/A   Clear
7:53 AM 73.9 °F - 64.0 °F 71% 29.90 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:53 AM 82.9 °F 85.8 °F 68.0 °F 60% 29.90 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:53 AM 87.1 °F 92.0 °F 70.0 °F 57% 29.89 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
11:53 AM 91.9 °F 97.4 °F 70.0 °F 48% 29.88 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:53 PM 95.0 °F 99.0 °F 66.9 °F 40% 29.85 in 10.0 mi SSW 10.4 mph 18.4 mph N/A   Clear
1:53 PM 95.0 °F 99.0 °F 66.9 °F 40% 29.81 in 10.0 mi WSW 8.1 mph 17.3 mph N/A   Mostly Cloudy
2:53 PM 96.1 °F 99.9 °F 66.9 °F 38% 29.74 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
3:41 PM 84.2 °F 88.4 °F 69.8 °F 62% 29.77 in 3.0 mi NW 25.3 mph 35.7 mph 0.05 in Rain , Thunderstorm Light Thunderstorms and Rain
3:53 PM 77.0 °F - 71.1 °F 82% 29.83 in 2.5 mi West 11.5 mph 23.0 mph 0.19 in Rain , Thunderstorm Thunderstorms and Rain
3:57 PM 75.2 °F - 69.8 °F 83% 29.83 in 0.5 mi WSW 16.1 mph 23.0 mph 0.27 in Rain , Thunderstorm Heavy Thunderstorms and Rain
4:42 PM 73.4 °F - 69.8 °F 88% 29.82 in 10.0 mi Variable 5.8 mph - 1.01 in Rain Light Rain
4:53 PM 73.9 °F - 70.0 °F 87% 29.82 in 10.0 mi NNW 8.1 mph - 1.01 in Thunderstorm Scattered Clouds
5:53 PM 73.9 °F - 70.0 °F 87% 29.84 in 10.0 mi Calm Calm - 0.00 in Rain , Thunderstorm Light Rain
6:19 PM 73.4 °F - 69.8 °F 88% 29.90 in 10.0 mi South 8.1 mph - 0.00 in Thunderstorm Overcast
6:53 PM 73.0 °F - 70.0 °F 90% 29.90 in 2.5 mi SW 4.6 mph - 0.10 in Rain Light Rain
7:07 PM 73.4 °F - 69.8 °F 88% 29.92 in 6.0 mi WSW 3.5 mph - 0.01 in Rain Light Rain
7:48 PM 73.4 °F - 71.6 °F 94% 29.94 in 3.0 mi Calm Calm - 0.05 in Rain Light Rain
7:53 PM 73.0 °F - 71.1 °F 93% 29.93 in 3.0 mi Calm Calm - 0.05 in Rain Light Rain
8:06 PM 73.4 °F - 71.6 °F 94% 29.94 in 7.0 mi Calm Calm - 0.00 in Rain Light Rain
8:21 PM 73.4 °F - 71.6 °F 94% 29.95 in 7.0 mi Calm Calm - 0.00 in   Overcast
8:53 PM 73.0 °F - 71.1 °F 93% 29.94 in 7.0 mi Calm Calm - 0.00 in   Scattered Clouds
9:53 PM 73.0 °F - 71.1 °F 93% 29.96 in 4.0 mi WSW 3.5 mph - N/A   Overcast
10:53 PM 73.0 °F - 71.1 °F 93% 29.96 in 4.0 mi Calm Calm - N/A   Overcast
11:50 PM 71.6 °F - 64.4 °F 78% 29.97 in 10.0 mi North 12.7 mph 21.9 mph N/A   Mostly Cloudy
11:53 PM 71.1 °F - 64.0 °F 78% 29.96 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy