Chicago DuPage, IL

4:52 PM CDT on April 27, 2017 (GMT -0500)
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Weather History for KDPA - December, 2011

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Sunday, December 18, 2011

  Actual Average Record
Temperature  
Mean Temperature 33 °F 26 °F  
Max Temperature 43 °F 34 °F 54 °F (2002)
Min Temperature 24 °F 18 °F -4 °F (2000)
Degree Days  
Heating Degree Days 32 39  
Month to date heating degree days 647  
Since 1 July heating degree days 1901  
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 82    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.06 in 0.56 in (2002)
Month to date precipitation 1.09  
Year to date precipitation 36.28  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 18, 2011 Rise Set
Actual Time 7:15 AM CST 4:23 PM CST
Civil Twilight 6:43 AM CST 4:55 PM CST
Nautical Twilight 6:08 AM CST 5:30 PM CST
Astronomical Twilight 5:34 AM CST 6:04 PM CST
Moon 12:11 AM CST (12/18) 11:53 AM CST (12/18)
Length of Visible Light 10h 11m
Length of Day
9h 07m
Last Quarter, 42% of the Moon is Illuminated
Dec 18
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last 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 30.0 °F 24.1 °F 26.1 °F 85% 30.21 in 6.0 mi West 5.8 mph - N/A   Overcast
1:49 AM 28.4 °F 21.2 °F 24.8 °F 86% 30.18 in 7.0 mi WNW 6.9 mph - N/A   Scattered Clouds
1:52 AM 28.9 °F 20.4 °F 24.1 °F 82% 30.21 in 7.0 mi WNW 9.2 mph - N/A   Partly Cloudy
2:29 AM 26.6 °F - 21.2 °F 80% 30.19 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
3:18 AM 28.4 °F 22.2 °F 24.8 °F 86% 30.18 in 6.0 mi NNW 5.8 mph - N/A   Overcast
3:52 AM 28.0 °F 22.8 °F 24.1 °F 85% 30.20 in 5.0 mi NNW 4.6 mph - N/A   Overcast
4:52 AM 26.1 °F - 23.0 °F 88% 30.22 in 4.0 mi Calm Calm - N/A   Overcast
5:00 AM 26.6 °F - 23.0 °F 86% 30.19 in 4.0 mi Calm Calm - N/A   Overcast
5:30 AM 26.6 °F - 23.0 °F 86% 30.18 in 0.5 mi Calm Calm - N/A   Overcast
5:52 AM 25.0 °F 20.7 °F 23.0 °F 92% 30.22 in 0.5 mi SW 3.5 mph - N/A   Overcast
6:09 AM 24.8 °F 19.1 °F 23.0 °F 93% 30.19 in 0.2 mi SW 4.6 mph - N/A Fog Light Freezing Fog
6:52 AM 25.0 °F 18.1 °F 23.0 °F 92% 30.23 in 0.2 mi South 5.8 mph - N/A Fog Light Freezing Fog
7:24 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.19 in 0.2 mi SSW 4.6 mph - N/A Fog Light Freezing Fog
7:39 AM 24.8 °F 17.9 °F 21.2 °F 86% 30.20 in 0.2 mi SSW 5.8 mph - N/A Fog Light Freezing Fog
7:52 AM 24.1 °F 17.0 °F 21.9 °F 91% 30.23 in 0.2 mi SSW 5.8 mph - N/A Fog Light Freezing Fog
8:08 AM 24.8 °F 20.5 °F 21.2 °F 86% 30.19 in 0.2 mi SW 3.5 mph - N/A Fog Light Freezing Fog
8:45 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.19 in 0.2 mi SSW 6.9 mph - N/A Fog Light Freezing Fog
9:34 AM 26.6 °F 20.0 °F 24.8 °F 93% 30.21 in 0.8 mi SSW 5.8 mph - N/A   Overcast
9:41 AM 26.6 °F 19.1 °F 24.8 °F 93% 30.20 in 1.8 mi SSW 6.9 mph - N/A   Overcast
9:49 AM 26.6 °F 19.1 °F 24.8 °F 93% 30.20 in 2.0 mi SSW 6.9 mph - N/A   Overcast
9:52 AM 28.0 °F 21.7 °F 25.0 °F 88% 30.23 in 2.0 mi SSW 5.8 mph - N/A   Overcast
10:09 AM 30.2 °F 24.3 °F 26.6 °F 86% 30.20 in 3.0 mi SW 5.8 mph - N/A   Mostly Cloudy
10:17 AM 30.2 °F 22.6 °F 26.6 °F 86% 30.20 in 4.0 mi SSW 8.1 mph - N/A   Partly Cloudy
10:52 AM 32.0 °F 24.2 °F 26.1 °F 79% 30.19 in 7.0 mi South 9.2 mph - N/A   Clear
11:52 AM 36.0 °F 28.5 °F 28.0 °F 73% 30.16 in 9.0 mi South 10.4 mph - N/A   Clear
12:52 PM 39.0 °F 31.0 °F 27.0 °F 62% 30.11 in 10.0 mi South 13.8 mph - N/A   Clear
1:52 PM 39.9 °F 32.5 °F 30.0 °F 68% 30.09 in 10.0 mi South 12.7 mph - N/A   Clear
2:52 PM 42.1 °F 35.7 °F 32.0 °F 67% 30.06 in 10.0 mi South 11.5 mph - N/A   Clear
3:52 PM 41.0 °F 34.3 °F 33.1 °F 73% 30.04 in 10.0 mi South 11.5 mph - N/A   Clear
4:52 PM 39.0 °F 32.3 °F 32.0 °F 76% 30.01 in 10.0 mi South 10.4 mph - N/A   Clear
5:52 PM 37.9 °F 30.5 °F 32.0 °F 79% 30.00 in 10.0 mi South 11.5 mph - N/A   Clear
6:52 PM 39.9 °F 32.5 °F 33.1 °F 77% 29.98 in 10.0 mi South 12.7 mph 20.7 mph N/A   Clear
7:52 PM 39.0 °F 31.8 °F 33.1 °F 79% 29.96 in 10.0 mi SSW 11.5 mph - N/A   Clear
8:52 PM 39.0 °F 31.4 °F 32.0 °F 76% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Clear
9:52 PM 41.0 °F 35.2 °F 32.0 °F 70% 29.93 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:52 PM 42.1 °F 35.7 °F 33.1 °F 70% 29.91 in 10.0 mi SSW 11.5 mph - N/A   Overcast
11:52 PM 43.0 °F 35.7 °F 33.1 °F 68% 29.90 in 10.0 mi SSW 15.0 mph - N/A   Overcast