Weather History for Chicago DuPage, IL

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Tuesday, January 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 4 °F 23 °F  
Max Temperature 12 °F 31 °F 40 °F (1999)
Min Temperature -4 °F 15 °F -7 °F (2000)
Degree Days  
Heating Degree Days 61 42  
Month to date heating degree days 1020 880  
Since 1 July heating degree days 3806 3307  
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 68    
Maximum Humidity 85    
Minimum Humidity 53    
Precipitation  
Precipitation T in 0.04 in 0.71 in (1999)
Month to date precipitation 0.69 0.86  
Year to date precipitation 0.69 0.86  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 13 mph (NNW)    
Max Wind Speed 28 mph    
Max Gust Speed 33 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 21, 2014 Rise Set
Actual Time 7:14 AM CST 4:54 PM CST
Civil Twilight 6:44 AM CST 5:24 PM CST
Nautical Twilight 6:10 AM CST 5:58 PM CST
Astronomical Twilight 5:37 AM CST 6:31 PM CST
Moon 10:32 PM CST (1/21) 9:38 AM CST (1/21)
Length of Visible Light 10h 40m
Length of Day
9h 39m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 21
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:23 AM 10.4 °F -9.1 °F 6.8 °F 85% 30.06 in 1.5 mi North 21.9 mph 29.9 mph 0.00 in Snow Light Snow
12:52 AM 10.9 °F -8.3 °F 6.1 °F 81% 30.11 in 1.5 mi North 21.9 mph 28.8 mph 0.00 in Snow Light Snow
1:11 AM 8.6 °F -12.7 °F 3.2 °F 79% 30.08 in 2.0 mi North 25.3 mph 29.9 mph 0.00 in Snow Light Snow
1:49 AM 6.8 °F -12.4 °F 1.4 °F 79% 30.10 in 3.0 mi North 18.4 mph 28.8 mph 0.00 in Snow Light Snow
1:52 AM 7.0 °F -12.6 °F 1.9 °F 80% 30.14 in 4.0 mi North 19.6 mph - 0.00 in Snow Light Snow
2:52 AM 5.0 °F -16.7 °F -2.0 °F 73% 30.18 in 6.0 mi North 23.0 mph 29.9 mph 0.00 in   Haze
3:52 AM 3.9 °F -17.6 °F -5.1 °F 66% 30.22 in 3.0 mi North 21.9 mph 33.4 mph N/A Snow Blowing Snow
4:52 AM 3.0 °F -19.3 °F -7.1 °F 63% 30.24 in 6.0 mi North 23.0 mph 29.9 mph N/A Snow Blowing Snow
5:52 AM 1.9 °F -18.7 °F -7.1 °F 66% 30.26 in 9.0 mi NNW 18.4 mph 28.8 mph N/A   Clear
6:52 AM 1.0 °F -19.9 °F -8.0 °F 66% 30.29 in 10.0 mi North 18.4 mph 26.5 mph N/A   Clear
7:52 AM -0.0 °F -22.4 °F -8.0 °F 69% 30.31 in 10.0 mi North 20.7 mph - N/A   Clear
8:52 AM 1.9 °F -19.8 °F -7.1 °F 66% 30.32 in 8.0 mi North 20.7 mph - N/A   Clear
9:52 AM 3.9 °F -14.3 °F -7.1 °F 60% 30.32 in 10.0 mi North 15.0 mph - N/A   Clear
10:52 AM 6.1 °F -9.5 °F -6.0 °F 58% 30.32 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:52 AM 8.1 °F -9.6 °F -5.1 °F 55% 30.31 in 10.0 mi NNW 16.1 mph - N/A   Clear
12:52 PM 8.1 °F -6.2 °F -5.1 °F 55% 30.29 in 10.0 mi NNW 10.4 mph - 0.00 in   Clear
1:52 PM 9.0 °F -6.6 °F -4.0 °F 56% 30.28 in 10.0 mi NW 12.7 mph - N/A   Clear
2:52 PM 9.0 °F -5.9 °F -5.1 °F 53% 30.28 in 10.0 mi NW 11.5 mph - N/A   Clear
3:52 PM 6.1 °F -6.8 °F -6.0 °F 58% 30.29 in 10.0 mi NW 8.1 mph - N/A   Clear
4:52 PM 3.9 °F -11.3 °F -7.1 °F 60% 30.29 in 10.0 mi NW 10.4 mph - N/A   Clear
5:52 PM 3.0 °F -6.4 °F -6.0 °F 66% 30.28 in 10.0 mi NNW 4.6 mph - N/A   Clear
6:52 PM 1.9 °F - -7.1 °F 66% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:52 PM -0.9 °F -14.1 °F -8.0 °F 72% 30.27 in 10.0 mi West 6.9 mph - N/A   Clear
8:52 PM -2.0 °F -13.9 °F -8.0 °F 76% 30.26 in 10.0 mi West 5.8 mph - N/A   Clear
9:52 PM -0.9 °F - -8.0 °F 72% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:52 PM -2.0 °F - -8.0 °F 76% 30.25 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM -2.9 °F -13.3 °F -8.0 °F 79% 30.24 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds