Weather History for Chicago DuPage, IL

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 17 °F 28 °F  
Max Temperature 30 °F 37 °F 49 °F (2012)
Min Temperature 4 °F 20 °F 1 °F (2006)
Degree Days  
Heating Degree Days 48 37  
Month to date heating degree days 704 659  
Since 1 July heating degree days 4311 4374  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 5 °F    
Average Humidity 58    
Maximum Humidity 80    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.06 in 0.82 in (2008)
Month to date precipitation 1.12 0.77  
Year to date precipitation 4.12 2.08  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 17 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

Feb. 17, 2013 Rise Set
Actual Time 6:45 AM CST 5:28 PM CST
Civil Twilight 6:17 AM CST 5:57 PM CST
Nautical Twilight 5:44 AM CST 6:30 PM CST
Astronomical Twilight 5:12 AM CST 7:02 PM CST
Moon 10:31 AM CST (2/17) 12:31 AM CST (2/17)
Length of Visible Light 11h 40m
Length of Day
10h 43m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
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 8.1 °F - 1.9 °F 76% 30.21 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 8.1 °F - 1.9 °F 76% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 7.0 °F - 1.9 °F 80% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 7.0 °F - 1.9 °F 80% 30.21 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 6.1 °F - 1.0 °F 80% 30.22 in 10.0 mi Calm Calm - N/A   Clear
5:52 AM 7.0 °F - 1.0 °F 77% 30.23 in 10.0 mi Calm Calm - N/A   Clear
6:52 AM 7.0 °F - 1.0 °F 77% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:52 AM 10.9 °F - 5.0 °F 77% 30.24 in 10.0 mi Calm Calm - N/A   Clear
8:52 AM 16.0 °F - 3.9 °F 59% 30.24 in 10.0 mi Calm Calm - N/A   Clear
9:52 AM 18.0 °F - 1.0 °F 48% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 19.9 °F - -0.0 °F 42% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:52 AM 23.0 °F 14.7 °F 3.0 °F 42% 30.22 in 10.0 mi South 6.9 mph - N/A   Clear
12:52 PM 26.1 °F 16.2 °F 1.9 °F 35% 30.20 in 10.0 mi South 10.4 mph - N/A   Clear
1:52 PM 26.1 °F 21.9 °F 1.9 °F 35% 30.17 in 10.0 mi South 3.5 mph - N/A   Clear
2:52 PM 28.0 °F 20.8 °F 3.9 °F 36% 30.15 in 10.0 mi SSW 6.9 mph - N/A   Clear
3:52 PM 28.9 °F 20.4 °F 6.1 °F 38% 30.13 in 10.0 mi South 9.2 mph - N/A   Clear
5:52 PM 26.1 °F 16.8 °F 9.0 °F 49% 30.11 in 10.0 mi South 9.2 mph - N/A   Clear
6:52 PM 27.0 °F 18.7 °F 10.9 °F 51% 30.09 in 10.0 mi SE 8.1 mph - N/A   Clear
7:52 PM 27.0 °F 18.0 °F 10.9 °F 51% 30.08 in 10.0 mi SE 9.2 mph - N/A   Clear
8:52 PM 27.0 °F 18.7 °F 12.0 °F 53% 30.07 in 10.0 mi SE 8.1 mph - N/A   Clear
9:52 PM 27.0 °F 17.3 °F 15.1 °F 61% 30.06 in 10.0 mi SSE 10.4 mph - N/A   Clear
11:52 PM 28.0 °F 16.5 °F 15.1 °F 58% 30.00 in 10.0 mi SSE 15.0 mph 23.0 mph N/A   Clear