Weather History for Chicago DuPage, IL

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Thursday, October 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 57 °F  
Max Temperature 77 °F 68 °F 87 °F (2005)
Min Temperature 46 °F 45 °F 31 °F (2004)
Degree Days  
Heating Degree Days 3 9  
Month to date heating degree days 26 35  
Since 1 July heating degree days 183 146  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 4  
Year to date cooling degree days 1089 807  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 79    
Maximum Humidity 97    
Minimum Humidity 48    
Precipitation  
Precipitation 0.14 in 0.11 in 0.80 in (2001)
Month to date precipitation 0.23 0.50  
Year to date precipitation 15.80 29.42  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 10 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 04, 2012 Rise Set
Actual Time 6:53 AM CDT 6:28 PM CDT
Civil Twilight 6:25 AM CDT 6:56 PM CDT
Nautical Twilight 5:53 AM CDT 7:28 PM CDT
Astronomical Twilight 5:21 AM CDT 8:01 PM CDT
Moon 8:59 PM CDT (10/4) 11:14 AM CDT (10/4)
Length of Visible Light 12h 30m
Length of Day
11h 34m
Waning Gibbous, 82% of the Moon is Illuminated
Oct 4
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 57.9 °F 55.0 °F 90% 30.03 in 8.0 mi SW 6.9 mph - N/A   Partly Cloudy
1:52 AM 57.9 °F 55.0 °F 90% 30.03 in 9.0 mi SW 10.4 mph - 0.00 in Rain Light Rain
2:52 AM 55.9 °F 54.0 °F 93% 30.03 in 9.0 mi South 6.9 mph - 0.00 in   Mostly Cloudy
3:52 AM 55.0 °F 54.0 °F 96% 30.04 in 9.0 mi South 5.8 mph - N/A   Mostly Cloudy
4:52 AM 52.0 °F 51.1 °F 97% 30.05 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
5:52 AM 52.0 °F 50.0 °F 93% 30.04 in 10.0 mi South 6.9 mph - N/A   Clear
6:52 AM 52.0 °F 51.1 °F 97% 30.04 in 10.0 mi South 6.9 mph - N/A   Clear
7:52 AM 54.0 °F 53.1 °F 97% 30.04 in 7.0 mi South 5.8 mph - N/A   Clear
8:52 AM 60.1 °F 55.0 °F 83% 30.04 in 10.0 mi SSW 10.4 mph - 0.01 in   Clear
9:52 AM 64.0 °F 55.9 °F 75% 30.03 in 10.0 mi SSW 11.5 mph - N/A   Clear
10:52 AM 68.0 °F 57.0 °F 68% 30.02 in 10.0 mi SSW 10.4 mph - N/A   Clear
11:52 AM 73.0 °F 55.9 °F 55% 29.99 in 10.0 mi SSW 13.8 mph - N/A   Clear
12:52 PM 77.0 °F 55.9 °F 48% 29.98 in 10.0 mi SSW 21.9 mph 28.8 mph N/A   Clear
1:52 PM 73.9 °F 55.9 °F 53% 29.98 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Mostly Cloudy
2:52 PM 71.1 °F 55.0 °F 57% 29.99 in 6.0 mi West 12.7 mph - 0.01 in Rain Light Rain
3:52 PM 64.0 °F 55.0 °F 73% 30.03 in 10.0 mi West 13.8 mph - 0.01 in   Partly Cloudy
4:52 PM 61.0 °F 48.0 °F 62% 30.05 in 10.0 mi West 16.1 mph 27.6 mph N/A   Mostly Cloudy
5:52 PM 53.1 °F 50.0 °F 89% 30.07 in 3.0 mi WSW 9.2 mph 17.3 mph 0.11 in Rain Heavy Rain
6:52 PM 52.0 °F 48.9 °F 89% 30.08 in 10.0 mi WSW 9.2 mph - 0.00 in   Mostly Cloudy
8:52 PM 52.0 °F 48.0 °F 86% 30.09 in 10.0 mi West 12.7 mph - N/A   Overcast
9:52 PM 52.0 °F 45.0 °F 77% 30.09 in 10.0 mi West 8.1 mph - N/A   Overcast
10:52 PM 48.9 °F 43.0 °F 80% 30.11 in 10.0 mi West 6.9 mph - N/A   Clear
11:52 PM 48.0 °F 37.9 °F 68% 30.12 in 10.0 mi WNW 6.9 mph - N/A   Clear