Weather History for Chicago, IL

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Thursday, August 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 73 °F  
Max Temperature 78 °F 83 °F 100 °F (1934)
Min Temperature 65 °F 64 °F 52 °F (1976)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 52 52  
Since 1 July heating degree days 9 4  
Cooling Degree Days 7 8  
Month to date cooling degree days 57 71  
Year to date cooling degree days 565 573  
Since 1 June cooling degree days 481 519  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.16 in 2.35 in (1977)
Month to date precipitation 0.74 1.28  
Year to date precipitation 31.42 21.51  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 9 mph (NE)    
Max Wind Speed 17 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 08, 2013 Rise Set
Actual Time 5:52 AM CDT 8:01 PM CDT
Civil Twilight 5:21 AM CDT 8:31 PM CDT
Nautical Twilight 4:43 AM CDT 9:09 PM CDT
Astronomical Twilight 4:02 AM CDT 9:50 PM CDT
Moon 7:42 AM CDT (8/8) 8:36 PM CDT (8/8)
Length of Visible Light 15h 10m
Length of Day
14h 08m
Waxing Crescent, 3% of the Moon is Illuminated
Aug 8
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 68.0 °F 63.0 °F 84% 29.95 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
1:51 AM 66.9 °F 64.0 °F 90% 29.95 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
2:51 AM 66.9 °F 63.0 °F 87% 29.96 in 10.0 mi NNE 5.8 mph - N/A   Clear
3:51 AM 66.0 °F 63.0 °F 90% 29.96 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
4:51 AM 66.0 °F 62.1 °F 87% 29.95 in 10.0 mi NNE 5.8 mph - N/A   Scattered Clouds
5:51 AM 66.9 °F 62.1 °F 84% 29.97 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
6:51 AM 68.0 °F 62.1 °F 81% 29.96 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
7:51 AM 69.1 °F 61.0 °F 75% 30.00 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
8:51 AM 71.1 °F 59.0 °F 66% 30.01 in 10.0 mi ENE 10.4 mph 21.9 mph N/A   Mostly Cloudy
9:51 AM 73.0 °F 57.9 °F 59% 30.00 in 10.0 mi ENE 13.8 mph 23.0 mph N/A   Scattered Clouds
10:51 AM 73.9 °F 55.9 °F 53% 30.01 in 10.0 mi ENE 15.0 mph 21.9 mph N/A   Scattered Clouds
11:47 AM 75.2 °F 55.4 °F 50% 30.02 in 2.5 mi East 12.7 mph 18.4 mph N/A   Haze
11:51 AM 75.0 °F 55.0 °F 50% 30.01 in 10.0 mi East 11.5 mph 18.4 mph N/A   Scattered Clouds
12:51 PM 75.9 °F 54.0 °F 46% 30.00 in 10.0 mi ENE 12.7 mph 21.9 mph N/A   Mostly Cloudy
1:51 PM 77.0 °F 53.1 °F 43% 29.99 in 10.0 mi ENE 11.5 mph 19.6 mph N/A   Mostly Cloudy
2:51 PM 77.0 °F 52.0 °F 42% 29.98 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
3:51 PM 77.0 °F 50.0 °F 39% 29.98 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
4:51 PM 77.0 °F 50.0 °F 39% 29.98 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
5:51 PM 73.9 °F 50.0 °F 43% 29.99 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
6:51 PM 72.0 °F 48.0 °F 43% 29.98 in 10.0 mi NE 10.4 mph - N/A   Overcast
7:51 PM 70.0 °F 51.1 °F 51% 29.99 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:51 PM 69.1 °F 52.0 °F 54% 29.99 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:51 PM 69.1 °F 53.1 °F 57% 30.00 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:51 PM 68.0 °F 53.1 °F 59% 29.99 in 10.0 mi NNE 4.6 mph - N/A   Overcast
11:51 PM 68.0 °F 54.0 °F 61% 29.99 in 10.0 mi NE 3.5 mph - N/A   Overcast