Weather History for Chicago DuPage, IL

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Monday, December 26, 2011

  Actual Average Record
Temperature  
Mean Temperature 31 °F 24 °F  
Max Temperature 43 °F 32 °F 49 °F (2008)
Min Temperature 19 °F 17 °F 3 °F (2000)
Degree Days  
Heating Degree Days 34 41  
Month to date heating degree days 966  
Since 1 July heating degree days 2220  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 814  
Moisture  
Dew Point 26 °F    
Average Humidity 76    
Maximum Humidity 92    
Minimum Humidity 55    
Precipitation  
Precipitation 0.03 in 0.04 in 0.04 in (2008)
Month to date precipitation 1.51  
Year to date precipitation 36.70  
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 20 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 26, 2011 Rise Set
Actual Time 7:19 AM CST 4:27 PM CST
Civil Twilight 6:47 AM CST 4:59 PM CST
Nautical Twilight 6:12 AM CST 5:34 PM CST
Astronomical Twilight 5:38 AM CST 6:08 PM CST
Moon 8:37 AM CST (12/26) 6:57 PM CST (12/26)
Length of Visible Light 10h 11m
Length of Day
9h 08m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 26
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

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 26.1 °F - 21.0 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 27.0 °F - 21.9 °F 81% 30.33 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 24.1 °F - 19.9 °F 84% 30.32 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 21.0 °F - 19.0 °F 92% 30.31 in 9.0 mi Calm Calm - N/A   Clear
4:52 AM 19.9 °F 14.9 °F 17.1 °F 89% 30.30 in 9.0 mi SSE 3.5 mph - N/A   Clear
5:52 AM 23.0 °F 18.4 °F 19.9 °F 88% 30.29 in 10.0 mi South 3.5 mph - N/A   Clear
6:52 AM 21.9 °F 17.2 °F 19.0 °F 89% 30.27 in 10.0 mi SSE 3.5 mph - N/A   Clear
7:52 AM 25.0 °F 16.3 °F 21.0 °F 85% 30.25 in 10.0 mi South 8.1 mph - N/A   Clear
8:52 AM 30.0 °F 21.1 °F 26.1 °F 85% 30.25 in 10.0 mi South 10.4 mph - N/A   Clear
9:52 AM 35.1 °F 26.9 °F 28.0 °F 76% 30.23 in 10.0 mi South 11.5 mph - N/A   Clear
10:52 AM 37.9 °F 29.2 °F 27.0 °F 65% 30.19 in 10.0 mi SSW 15.0 mph 20.7 mph N/A   Clear
11:52 AM 41.0 °F 32.2 °F 27.0 °F 57% 30.17 in 10.0 mi SW 18.4 mph 26.5 mph N/A   Clear
12:52 PM 43.0 °F 35.1 °F 28.0 °F 56% 30.13 in 10.0 mi SW 17.3 mph - N/A   Clear
1:52 PM 43.0 °F 34.5 °F 28.0 °F 56% 30.10 in 10.0 mi SW 19.6 mph 27.6 mph N/A   Clear
2:52 PM 42.1 °F 34.5 °F 27.0 °F 55% 30.07 in 10.0 mi SSW 15.0 mph 23.0 mph N/A   Clear
3:52 PM 39.9 °F 32.1 °F 28.0 °F 63% 30.04 in 10.0 mi South 13.8 mph - N/A   Clear
4:52 PM 39.0 °F 31.0 °F 28.0 °F 65% 30.05 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Clear
5:52 PM 37.0 °F 28.9 °F 28.9 °F 73% 30.04 in 10.0 mi South 12.7 mph - N/A   Partly Cloudy
6:52 PM 37.0 °F 29.3 °F 28.0 °F 70% 30.00 in 10.0 mi South 11.5 mph - N/A   Overcast
7:52 PM 37.0 °F 28.9 °F 27.0 °F 67% 29.99 in 10.0 mi SSW 12.7 mph 21.9 mph N/A   Overcast
8:52 PM 37.0 °F 30.4 °F 27.0 °F 67% 29.96 in 10.0 mi SW 9.2 mph - N/A   Overcast
9:52 PM 35.1 °F 27.4 °F 30.0 °F 82% 29.93 in 9.0 mi South 10.4 mph - 0.00 in Rain Light Rain
10:52 PM 35.1 °F 27.9 °F 30.9 °F 85% 29.88 in 6.0 mi South 9.2 mph - 0.01 in Rain Light Rain
11:42 PM 35.6 °F 29.2 °F 32.0 °F 87% 29.83 in 5.0 mi SSW 8.1 mph - 0.01 in Rain Light Rain
11:49 PM 35.6 °F 28.6 °F 32.0 °F 87% 29.82 in 5.0 mi South 9.2 mph - 0.02 in Rain Light Rain
11:52 PM 35.1 °F 28.6 °F 32.0 °F 89% 29.84 in 5.0 mi SSW 8.1 mph - 0.02 in Rain Light Rain