Chicago, IL

11:59 PM CDT on June 19, 2018 (GMT -0500)
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Weather History for KORD - December, 2017

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Sunday, December 10, 2017

  Actual Average Record
Temperature  
Mean Temperature 28 °F 29 °F  
Max Temperature 35 °F 36 °F 62 °F (1879)
Min Temperature 20 °F 22 °F -8 °F (1978)
Degree Days  
Heating Degree Days 37 36  
Month to date heating degree days 293 342  
Since 1 July heating degree days 1336 1598  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 991 843  
Moisture  
Dew Point 17 °F    
Average Humidity 65    
Maximum Humidity 73    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.08 in 2.18 in (1971)
Month to date precipitation 0.20 0.88  
Year to date precipitation 42.71 35.52  
Snow  
Snow 0.00 in 0.30 in 10.90 in (1934)
Month to date snowfall 0.6 2.2  
Since 1 July snowfall 0.7 3.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 10, 2017 Rise Set
Actual Time 7:08 AM CST 4:20 PM CST
Civil Twilight 6:37 AM CST 4:51 PM CST
Nautical Twilight 6:02 AM CST 5:26 PM CST
Astronomical Twilight 5:28 AM CST 6:00 PM CST
Moon No Moon Rise 12:34 PM CST (12/10)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Last Quarter, 46% of the Moon is Illuminated
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
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 19.9 °F 11.1 °F 12.0 °F 71% 30.05 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
1:51 AM 21.0 °F 10.6 °F 12.0 °F 68% 30.04 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
2:51 AM 21.0 °F 11.4 °F 12.9 °F 71% 30.01 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
3:51 AM 21.9 °F 13.4 °F 14.0 °F 72% 29.99 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
4:51 AM 23.0 °F 12.4 °F 14.0 °F 68% 29.97 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
5:51 AM 24.1 °F 13.1 °F 15.1 °F 69% 29.96 in 10.0 mi SW 11.5 mph - N/A   Overcast
6:51 AM 24.1 °F 12.5 °F 15.1 °F 69% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Overcast
7:51 AM 25.0 °F 13.6 °F 16.0 °F 69% 29.94 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
9:51 AM 28.9 °F 17.7 °F 17.1 °F 61% 29.92 in 10.0 mi SW 15.0 mph 23.0 mph N/A   Mostly Cloudy
10:51 AM 30.9 °F 21.7 °F 18.0 °F 59% 29.91 in 10.0 mi West 11.5 mph 21.9 mph N/A   Mostly Cloudy
11:51 AM 32.0 °F 23.6 °F 19.0 °F 59% 29.90 in 10.0 mi West 10.4 mph 19.6 mph N/A   Mostly Cloudy
12:30 PM 34.0 °F 24.2 °F 19.9 °F 56% 29.87 in 10.0 mi NW 15.0 mph - N/A   Mostly Cloudy
12:51 PM 34.0 °F 25.0 °F 19.9 °F 56% 29.89 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
1:51 PM 33.1 °F 23.9 °F 19.9 °F 59% 29.92 in 10.0 mi NW 12.7 mph - N/A   Overcast
2:44 PM 32.0 °F 24.2 °F 19.9 °F 61% 29.92 in 10.0 mi NW 9.2 mph - N/A   Overcast
2:51 PM 32.0 °F 23.6 °F 19.9 °F 61% 29.95 in 10.0 mi NNW 10.4 mph - N/A   Overcast
3:51 PM 30.9 °F 22.2 °F 19.9 °F 64% 29.99 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
4:51 PM 30.9 °F 21.2 °F 19.9 °F 64% 30.02 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
5:51 PM 30.9 °F 21.7 °F 19.0 °F 61% 30.05 in 10.0 mi NNW 11.5 mph - N/A   Overcast
6:51 PM 30.0 °F 21.7 °F 19.0 °F 64% 30.07 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
7:51 PM 30.0 °F 22.4 °F 19.0 °F 64% 30.09 in 10.0 mi NNW 8.1 mph - N/A   Overcast
8:51 PM 30.0 °F 23.2 °F 19.0 °F 64% 30.10 in 10.0 mi North 6.9 mph - N/A   Overcast
9:51 PM 28.9 °F 21.9 °F 19.0 °F 67% 30.10 in 10.0 mi North 6.9 mph - N/A   Overcast
10:36 PM 28.0 °F 20.8 °F 17.1 °F 63% 30.07 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
10:51 PM 27.0 °F 21.6 °F 17.1 °F 66% 30.10 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
11:13 PM 26.1 °F 21.9 °F 18.0 °F 71% 30.07 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
11:51 PM 28.0 °F 22.8 °F 18.0 °F 66% 30.09 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy