Weather History for Chicago DuPage, IL

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Wednesday, November 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F 38 °F  
Max Temperature 49 °F 46 °F 60 °F (2010)
Min Temperature 32 °F 29 °F 6 °F (2014)
Degree Days  
Heating Degree Days 24 27  
Month to date heating degree days 525 472  
Since 1 July heating degree days 1152 983  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1093 814  
Moisture  
Dew Point 39 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation T in 0.08 in 0.51 in (2007)
Month to date precipitation 0.66 2.21  
Year to date precipitation 19.60 34.32  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 2 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 21, 2012 Rise Set
Actual Time 6:50 AM CST 4:27 PM CST
Civil Twilight 6:20 AM CST 4:57 PM CST
Nautical Twilight 5:45 AM CST 5:31 PM CST
Astronomical Twilight 5:12 AM CST 6:05 PM CST
Moon 12:48 PM CST (11/21) 12:03 AM CST (11/21)
Length of Visible Light 10h 37m
Length of Day
9h 36m
First Quarter, 62% of the Moon is Illuminated
Nov 21
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 33.8 °F - 33.8 °F 100% 30.17 in 0.5 mi Calm Calm - N/A Fog Shallow Fog
12:11 AM 33.8 °F - 33.8 °F 100% 30.17 in 0.5 mi Calm Calm - N/A Fog Shallow Fog
12:19 AM 33.8 °F - 33.8 °F 100% 30.17 in 0.5 mi Calm Calm - N/A Fog Shallow Fog
12:29 AM 33.8 °F - 33.8 °F 100% 30.17 in 0.5 mi Calm Calm - N/A Fog Shallow Fog
12:49 AM 33.8 °F - 33.8 °F 100% 30.18 in 1.8 mi Calm Calm - N/A Fog Shallow Fog
12:52 AM 33.1 °F - 33.1 °F 100% 30.20 in 2.0 mi Calm Calm - N/A Fog Overcast
1:06 AM 33.8 °F - 33.8 °F 100% 30.18 in 0.8 mi Calm Calm - N/A Fog Mist
1:16 AM 32.0 °F - 32.0 °F 100% 30.18 in 0.2 mi Calm Calm - N/A Fog Mist
1:23 AM 33.8 °F - 32.0 °F 93% 30.18 in 1.0 mi Calm Calm - N/A Fog Mist
1:29 AM 33.8 °F - 33.8 °F 100% 30.18 in 0.2 mi Calm Calm - N/A Fog Mist
1:40 AM 33.8 °F - 33.8 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Mist
1:52 AM 32.0 °F 28.7 °F 32.0 °F 100% 30.18 in 0.2 mi South 3.5 mph - N/A Fog Fog
2:52 AM 32.0 °F - 32.0 °F 100% 30.19 in 0.2 mi Calm Calm - N/A Fog Fog
3:52 AM 34.0 °F - 34.0 °F 100% 30.20 in 0.2 mi Calm Calm - N/A Fog Fog
4:52 AM 36.0 °F - 36.0 °F 100% 30.20 in 0.2 mi Calm Calm - N/A Fog Fog
5:52 AM 36.0 °F 33.3 °F 36.0 °F 100% 30.20 in 0.2 mi South 3.5 mph - N/A Fog Fog
6:14 AM 35.6 °F - 35.6 °F 100% 30.20 in 0.2 mi Calm Calm - N/A Fog Fog
6:52 AM 36.0 °F 32.1 °F 36.0 °F 100% 30.23 in 0.2 mi SW 4.6 mph - N/A Fog Fog
7:52 AM 36.0 °F 31.1 °F 35.1 °F 97% 30.24 in 0.2 mi SW 5.8 mph - 0.00 in Fog Fog
8:52 AM 37.0 °F 32.4 °F 37.0 °F 100% 30.24 in 0.2 mi SW 5.8 mph - N/A Fog Fog
10:34 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.22 in 0.2 mi WSW 3.5 mph - N/A Fog Fog
10:52 AM 43.0 °F 39.5 °F 43.0 °F 100% 30.24 in 0.5 mi SW 5.8 mph - N/A Fog Fog
10:59 AM 42.8 °F 38.6 °F 42.8 °F 100% 30.21 in 1.0 mi SW 6.9 mph - N/A   Overcast
11:49 AM 44.6 °F 40.7 °F 44.6 °F 100% 30.20 in 2.0 mi SSW 6.9 mph - N/A   Overcast
11:52 AM 46.0 °F 42.5 °F 45.0 °F 96% 30.22 in 2.0 mi SSW 6.9 mph - N/A   Overcast
12:28 PM 44.6 °F 40.7 °F 44.6 °F 100% 30.18 in 1.8 mi SSW 6.9 mph - N/A   Overcast
12:37 PM 46.4 °F 42.9 °F 44.6 °F 93% 30.18 in 2.0 mi SW 6.9 mph - N/A   Overcast
12:52 PM 46.9 °F - 44.1 °F 90% 30.20 in 2.5 mi SW 6.9 mph - N/A   Overcast
12:57 PM 46.4 °F 42.4 °F 44.6 °F 93% 30.18 in 3.0 mi SW 8.1 mph - N/A   Overcast
1:48 PM 48.2 °F - 44.6 °F 87% 30.16 in 3.0 mi South 11.5 mph - N/A   Partly Cloudy
1:52 PM 48.9 °F - 45.0 °F 86% 30.17 in 3.0 mi South 10.4 mph - N/A   Partly Cloudy
2:52 PM 48.0 °F - 45.0 °F 89% 30.16 in 4.0 mi South 8.1 mph - N/A   Clear
3:52 PM 46.9 °F - 44.1 °F 90% 30.14 in 3.0 mi South 5.8 mph - N/A   Clear
4:52 PM 43.0 °F 40.3 °F 41.0 °F 93% 30.14 in 3.0 mi South 4.6 mph - N/A   Clear
5:52 PM 43.0 °F 39.5 °F 42.1 °F 97% 30.13 in 1.8 mi South 5.8 mph - N/A   Clear
6:22 PM 42.8 °F 39.3 °F 42.8 °F 100% 30.11 in 2.0 mi South 5.8 mph - N/A   Clear
6:47 PM 41.0 °F 36.4 °F 39.2 °F 93% 30.11 in 3.0 mi South 6.9 mph - N/A   Clear
6:52 PM 42.1 °F 37.1 °F 39.9 °F 92% 30.13 in 3.0 mi South 8.1 mph - N/A   Clear
7:52 PM 43.0 °F 39.5 °F 41.0 °F 93% 30.13 in 4.0 mi South 5.8 mph - N/A   Clear
8:52 PM 43.0 °F 38.2 °F 41.0 °F 93% 30.13 in 4.0 mi South 8.1 mph - N/A   Clear
9:52 PM 45.0 °F 40.1 °F 44.1 °F 97% 30.12 in 3.0 mi South 9.2 mph - N/A   Clear
10:52 PM 45.0 °F 39.7 °F 44.1 °F 97% 30.10 in 2.5 mi South 10.4 mph - N/A   Clear
11:52 PM 43.0 °F 38.2 °F 42.1 °F 97% 30.10 in 2.0 mi South 8.1 mph - N/A   Clear
11:59 PM 42.8 °F 38.0 °F 42.8 °F 100% 30.08 in 1.8 mi South 8.1 mph - N/A   Clear