Weather History for Chicago DuPage, IL

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Monday, August 26, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 71 °F  
Max Temperature 89 °F 81 °F 91 °F (2003)
Min Temperature 64 °F 60 °F 51 °F (1997)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 7 0  
Since 1 June heating degree days 80 38  
Since 1 July heating degree days 26 2  
Cooling Degree Days 12 6  
Month to date cooling degree days 128 193  
Year to date cooling degree days 563 695  
Since 1 June cooling degree days 486 649  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 76    
Maximum Humidity 91    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.15 in 0.80 in (2012)
Month to date precipitation 1.02 3.98  
Year to date precipitation 26.16 25.01  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 26, 2013 Rise Set
Actual Time 6:12 AM CDT 7:35 PM CDT
Civil Twilight 5:43 AM CDT 8:04 PM CDT
Nautical Twilight 5:08 AM CDT 8:39 PM CDT
Astronomical Twilight 4:31 AM CDT 9:16 PM CDT
Moon 10:39 PM CDT (8/26) 12:20 PM CDT (8/26)
Length of Visible Light 14h 21m
Length of Day
13h 23m
Waning Gibbous, 66% of the Moon is Illuminated
Aug 26
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 69.1 °F - 64.0 °F 84% 30.15 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:52 AM 70.0 °F - 64.0 °F 81% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Clear
2:52 AM 69.1 °F - 63.0 °F 81% 30.14 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:52 AM 68.0 °F - 63.0 °F 84% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:52 AM 68.0 °F - 62.1 °F 81% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Clear
5:52 AM 66.0 °F - 62.1 °F 87% 30.13 in 10.0 mi South 5.8 mph - N/A   Clear
6:52 AM 64.9 °F - 61.0 °F 87% 30.15 in 9.0 mi Calm Calm - N/A   Clear
7:52 AM 69.1 °F - 63.0 °F 81% 30.16 in 10.0 mi SSW 5.8 mph - N/A   Clear
8:52 AM 72.0 °F - 64.9 °F 78% 30.15 in 10.0 mi SW 5.8 mph - N/A   Clear
9:52 AM 75.9 °F - 66.0 °F 71% 30.14 in 10.0 mi WSW 4.6 mph - N/A   Clear
10:52 AM 80.1 °F 82.9 °F 69.1 °F 69% 30.14 in 10.0 mi WSW 6.9 mph - N/A   Clear
11:52 AM 84.0 °F 89.0 °F 71.1 °F 65% 30.13 in 10.0 mi WSW 9.2 mph - N/A   Clear
12:52 PM 86.0 °F 92.2 °F 72.0 °F 63% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Clear
1:52 PM 88.0 °F 95.6 °F 73.0 °F 61% 30.08 in 10.0 mi SW 6.9 mph - N/A   Clear
2:52 PM 87.1 °F 94.5 °F 73.0 °F 63% 30.05 in 10.0 mi SW 10.4 mph - N/A   Clear
3:52 PM 87.1 °F 94.5 °F 73.0 °F 63% 30.02 in 10.0 mi SW 16.1 mph 21.9 mph N/A   Clear
4:52 PM 87.1 °F 94.5 °F 73.0 °F 63% 30.03 in 10.0 mi SW 17.3 mph 23.0 mph N/A   Clear
5:52 PM 86.0 °F 93.8 °F 73.9 °F 67% 30.02 in 9.0 mi SW 13.8 mph - N/A   Clear
6:52 PM 84.0 °F 90.2 °F 73.0 °F 69% 30.01 in 9.0 mi SW 8.1 mph - N/A   Clear
7:52 PM 81.0 °F 85.2 °F 72.0 °F 74% 30.00 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:52 PM 77.0 °F - 71.1 °F 82% 30.01 in 9.0 mi South 4.6 mph - N/A   Clear
9:52 PM 75.9 °F - 72.0 °F 87% 30.02 in 8.0 mi South 3.5 mph - N/A   Clear
10:52 PM 73.9 °F - 71.1 °F 91% 30.01 in 7.0 mi South 5.8 mph - N/A   Clear
11:52 PM 77.0 °F - 72.0 °F 84% 30.01 in 9.0 mi SW 8.1 mph - N/A   Clear