Weather History for Chicago, IL

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Thursday, August 28, 2014

  Actual Average Record
Temperature  
Mean Temperature 72 °F 71 °F  
Max Temperature 77 °F 81 °F 97 °F (1955)
Min Temperature 67 °F 61 °F 42 °F (1965)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 1  
Since 1 June heating degree days 17 53  
Since 1 July heating degree days 5 5  
Cooling Degree Days 7 6  
Month to date cooling degree days 239 221  
Year to date cooling degree days 677 723  
Since 1 June cooling degree days 616 669  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 59    
Maximum Humidity 78    
Minimum Humidity 40    
Precipitation  
Precipitation T in 0.15 in 1.45 in (1932)
Month to date precipitation 6.95 4.49  
Year to date precipitation 31.73 24.72  
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 30.09 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 17 mph    
Max Gust Speed 19 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 28, 2014 Rise Set
Actual Time 6:13 AM CDT 7:31 PM CDT
Civil Twilight 5:44 AM CDT 8:00 PM CDT
Nautical Twilight 5:09 AM CDT 8:35 PM CDT
Astronomical Twilight 4:32 AM CDT 9:12 PM CDT
Moon 9:08 AM CDT (8/28) 8:51 PM CDT (8/28)
Length of Visible Light 14h 16m
Length of Day
13h 18m
Waxing Crescent, 9% of the Moon is Illuminated
Aug 28
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
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 57.9 °F 70% 30.12 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
1:51 AM 68.0 °F 57.9 °F 70% 30.13 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
2:51 AM 68.0 °F 57.2 °F 68% 30.13 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
3:51 AM 68.0 °F 55.9 °F 65% 30.12 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
4:51 AM 68.0 °F 55.9 °F 65% 30.12 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
6:51 AM 66.9 °F 55.0 °F 66% 30.13 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
7:51 AM 68.0 °F 54.0 °F 61% 30.14 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
8:51 AM 70.0 °F 52.0 °F 53% 30.13 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
9:51 AM 72.0 °F 53.1 °F 51% 30.13 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
10:51 AM 73.0 °F 52.0 °F 48% 30.12 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
11:51 AM 75.0 °F 52.0 °F 44% 30.12 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
12:51 PM 75.9 °F 52.0 °F 43% 30.10 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
1:51 PM 77.0 °F 52.0 °F 42% 30.08 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
2:51 PM 75.9 °F 54.0 °F 46% 30.07 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
3:51 PM 73.9 °F 55.9 °F 53% 30.06 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
4:51 PM 73.0 °F 55.9 °F 55% 30.05 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
5:51 PM 72.0 °F 57.9 °F 61% 30.06 in 10.0 mi NE 9.2 mph - N/A   Overcast
6:51 PM 71.1 °F 57.0 °F 61% 30.04 in 10.0 mi ENE 8.1 mph - N/A   Overcast
7:51 PM 71.1 °F 57.9 °F 63% 30.04 in 10.0 mi ENE 8.1 mph - 0.00 in   Overcast
8:51 PM 71.1 °F 61.0 °F 70% 30.05 in 10.0 mi East 8.1 mph - 0.00 in Rain Light Rain
9:51 PM 71.6 °F 62.6 °F 73% 30.04 in 10.0 mi East 8.1 mph - N/A Rain Light Rain
10:51 PM 70.0 °F 62.1 °F 76% 30.04 in 10.0 mi East 4.6 mph - 0.00 in   Overcast
11:51 PM 70.0 °F 63.0 °F 78% 30.02 in 10.0 mi SE 8.1 mph - N/A   Overcast