Weather History for Chicago DuPage, IL

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Sunday, January 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 18 °F 23 °F  
Max Temperature 24 °F 31 °F 43 °F (2006)
Min Temperature 11 °F 15 °F -7 °F (2008)
Degree Days  
Heating Degree Days 47 42  
Month to date heating degree days 766 838  
Since 1 July heating degree days 3142 3265  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 3 °F    
Average Humidity 57    
Maximum Humidity 67    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.04 in 0.31 in (2006)
Month to date precipitation 0.84 0.82  
Year to date precipitation 0.84 0.82  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 32 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 20, 2013 Rise Set
Actual Time 7:15 AM CST 4:53 PM CST
Civil Twilight 6:44 AM CST 5:23 PM CST
Nautical Twilight 6:10 AM CST 5:57 PM CST
Astronomical Twilight 5:37 AM CST 6:31 PM CST
Moon 11:54 AM CST (1/20) 1:46 AM CST (1/20)
Length of Visible Light 10h 38m
Length of Day
9h 38m
Waxing Gibbous, 66% of the Moon is Illuminated
Jan 20
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 21.0 °F 4.6 °F 7.0 °F 55% 30.01 in 10.0 mi WNW 23.0 mph 39.1 mph N/A   Clear
1:52 AM 19.0 °F 2.0 °F 6.1 °F 57% 30.06 in 10.0 mi NW 23.0 mph 28.8 mph N/A   Clear
2:52 AM 17.1 °F 0.6 °F 3.9 °F 56% 30.12 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Clear
3:52 AM 15.1 °F -2.5 °F 3.0 °F 59% 30.16 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Clear
4:52 AM 12.9 °F -3.9 °F 3.0 °F 65% 30.19 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Clear
5:52 AM 12.0 °F -2.7 °F 3.0 °F 67% 30.23 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Clear
6:52 AM 12.0 °F -4.0 °F 1.0 °F 61% 30.25 in 10.0 mi NW 15.0 mph - N/A   Clear
7:52 AM 12.0 °F -2.7 °F 1.0 °F 61% 30.29 in 10.0 mi WNW 12.7 mph - N/A   Clear
8:52 AM 12.9 °F -2.8 °F 1.9 °F 62% 30.30 in 10.0 mi WNW 15.0 mph - N/A   Clear
9:52 AM 14.0 °F -0.8 °F 1.0 °F 56% 30.32 in 10.0 mi NW 13.8 mph - N/A   Clear
10:52 AM 17.1 °F 5.8 °F 1.9 °F 52% 30.32 in 10.0 mi NW 9.2 mph - N/A   Clear
11:52 AM 18.0 °F 5.4 °F 3.9 °F 54% 30.30 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
12:52 PM 19.0 °F 6.1 °F 3.9 °F 52% 30.28 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
1:52 PM 18.0 °F 4.8 °F 3.0 °F 52% 30.27 in 10.0 mi West 12.7 mph - N/A   Clear
2:52 PM 18.0 °F 6.9 °F 1.9 °F 50% 30.28 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
3:52 PM 18.0 °F 5.4 °F 3.0 °F 52% 30.28 in 10.0 mi WNW 11.5 mph - N/A   Overcast
4:52 PM 17.1 °F 6.6 °F 3.0 °F 54% 30.29 in 10.0 mi West 8.1 mph - N/A   Overcast
5:52 PM 16.0 °F 4.4 °F 1.9 °F 54% 30.29 in 10.0 mi West 9.2 mph - N/A   Overcast
6:52 PM 14.0 °F 5.1 °F 1.9 °F 59% 30.29 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
7:52 PM 14.0 °F 2.9 °F 1.9 °F 59% 30.28 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
8:52 PM 15.1 °F 3.3 °F 1.9 °F 56% 30.26 in 10.0 mi WNW 9.2 mph - N/A   Overcast
9:52 PM 14.0 °F 1.2 °F 1.0 °F 56% 30.25 in 10.0 mi WNW 10.4 mph - N/A   Overcast
10:52 PM 12.9 °F -0.2 °F 1.0 °F 59% 30.24 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
11:52 PM 12.9 °F -0.2 °F 1.0 °F 59% 30.23 in 10.0 mi WNW 10.4 mph - N/A   Overcast