Weather History for Chicago, IL

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Thursday, January 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 17 °F 23 °F  
Max Temperature 28 °F 31 °F 57 °F (1933)
Min Temperature 5 °F 16 °F -23 °F (1985)
Degree Days  
Heating Degree Days 48 42  
Month to date heating degree days 671 784  
Since 1 July heating degree days 2650 3195  
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 62    
Maximum Humidity 81    
Minimum Humidity 42    
Precipitation  
Precipitation 0.01 in 0.05 in 1.72 in (1907)
Month to date precipitation 0.62 1.12  
Year to date precipitation 0.62 1.12  
Snow  
Snow 0.10 in 0.30 in 8.80 in (1963)
Month to date snowfall 5.8 6.4  
Since 1 July snowfall 7.5 16.1  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 30 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 19, 2012 Rise Set
Actual Time 7:15 AM CST 4:49 PM CST
Civil Twilight 6:44 AM CST 5:20 PM CST
Nautical Twilight 6:10 AM CST 5:54 PM CST
Astronomical Twilight 5:37 AM CST 6:27 PM CST
Moon 3:52 AM CST (1/19) 1:20 PM CST (1/19)
Length of Visible Light 10h 35m
Length of Day
9h 34m
Waning Crescent, 15% of the Moon is Illuminated
Jan 19
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 27.0 °F 14.7 °F 18.0 °F 69% 29.82 in 10.0 mi SW 16.1 mph 29.9 mph N/A   Overcast
1:51 AM 27.0 °F 16.7 °F 18.0 °F 69% 29.82 in 10.0 mi SW 11.5 mph 25.3 mph N/A   Overcast
2:51 AM 28.0 °F 17.0 °F 18.0 °F 66% 29.80 in 10.0 mi SW 13.8 mph 21.9 mph N/A   Overcast
3:51 AM 27.0 °F 15.6 °F 21.0 °F 78% 29.81 in 5.0 mi WSW 13.8 mph 24.2 mph 0.00 in Snow Light Snow
4:13 AM 26.6 °F 14.7 °F 21.2 °F 80% 29.78 in 4.0 mi WSW 15.0 mph 21.9 mph 0.00 in Snow Light Snow
4:20 AM 26.6 °F 16.2 °F 21.2 °F 80% 29.77 in 2.0 mi WSW 11.5 mph 21.9 mph 0.00 in Snow Light Snow
4:31 AM 26.6 °F 15.2 °F 21.2 °F 80% 29.77 in 1.8 mi WSW 13.8 mph - 0.00 in Snow Light Snow
4:39 AM 26.6 °F 16.2 °F 21.2 °F 80% 29.77 in 3.0 mi WSW 11.5 mph 18.4 mph 0.01 in Snow Light Snow
4:45 AM 26.6 °F 16.2 °F 21.2 °F 80% 29.78 in 5.0 mi WSW 11.5 mph 18.4 mph 0.01 in Snow Light Snow
4:46 AM 27.0 °F 16.1 °F 21.9 °F 81% 29.81 in 5.0 mi WSW 12.7 mph 18.4 mph 0.01 in Snow Light Snow
5:09 AM 26.6 °F 15.2 °F 21.2 °F 80% 29.78 in 6.0 mi West 13.8 mph - 0.00 in Snow Light Snow
5:19 AM 26.6 °F 15.7 °F 21.2 °F 80% 29.78 in 3.0 mi West 12.7 mph - 0.00 in Snow Light Snow
5:51 AM 27.0 °F 14.7 °F 19.9 °F 75% 29.83 in 6.0 mi West 16.1 mph 21.9 mph 0.00 in Snow Light Snow
6:51 AM 21.9 °F 7.3 °F 10.0 °F 60% 29.88 in 10.0 mi WNW 18.4 mph 28.8 mph 0.00 in   Overcast
7:51 AM 18.0 °F 1.3 °F 3.9 °F 54% 29.94 in 10.0 mi NW 20.7 mph 26.5 mph N/A   Overcast
8:51 AM 15.1 °F -1.1 °F 1.0 °F 54% 30.00 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
9:51 AM 12.9 °F -2.2 °F -2.0 °F 51% 30.05 in 10.0 mi NW 13.8 mph - N/A   Overcast
10:51 AM 12.0 °F -6.0 °F -5.1 °F 46% 30.05 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Overcast
11:51 AM 14.0 °F -2.0 °F -4.0 °F 45% 30.05 in 10.0 mi NW 16.1 mph - N/A   Mostly Cloudy
12:51 PM 12.0 °F -1.3 °F -5.1 °F 46% 30.06 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
1:51 PM 12.0 °F -2.7 °F -7.1 °F 42% 30.07 in 10.0 mi NNW 12.7 mph 19.6 mph N/A   Partly Cloudy
2:51 PM 12.0 °F -5.1 °F -8.0 °F 41% 30.10 in 10.0 mi NNW 17.3 mph - N/A   Scattered Clouds
3:51 PM 10.9 °F -2.6 °F -8.0 °F 42% 30.13 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
4:51 PM 9.0 °F -5.1 °F -8.0 °F 46% 30.15 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
5:51 PM 7.0 °F -5.7 °F -9.0 °F 48% 30.17 in 10.0 mi NW 8.1 mph - N/A   Clear
6:51 PM 7.0 °F -7.5 °F -9.9 °F 46% 30.19 in 10.0 mi NNW 10.4 mph - N/A   Clear
7:51 PM 6.1 °F -4.3 °F -8.0 °F 53% 30.20 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:51 PM 6.1 °F -6.8 °F -9.0 °F 50% 30.22 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
9:51 PM 6.1 °F -6.8 °F -11.9 °F 44% 30.23 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
10:51 PM 6.1 °F -5.6 °F -11.9 °F 44% 30.24 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
11:51 PM 5.0 °F -6.9 °F -11.0 °F 48% 30.23 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy