Chicago Midway, IL

3:53 AM CDT on March 23, 2017 (GMT -0500)
Chicago-Midway

Weather History for KMDW - December, 2012

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 27 °F 27 °F  
Max Temperature 33 °F 34 °F 62 °F (1967)
Min Temperature 21 °F 21 °F -13 °F (1989)
Degree Days  
Heating Degree Days 38 38  
Month to date heating degree days 487 729  
Since 1 July heating degree days 1607 1864  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1473 1045  
Moisture  
Dew Point 19 °F    
Average Humidity 69    
Maximum Humidity 85    
Minimum Humidity 51    
Precipitation  
Precipitation T in 0.07 in 1.81 in (1949)
Month to date precipitation 1.71 1.82  
Year to date precipitation 26.49 38.34  
Snow  
Snow 0.00 in - - ()
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 19 mph (NW)    
Max Wind Speed 30 mph    
Max Gust Speed 45 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:15 AM CST 4:23 PM CST
Civil Twilight 6:43 AM CST 4:55 PM CST
Nautical Twilight 6:08 AM CST 5:30 PM CST
Astronomical Twilight 5:34 AM CST 6:04 PM CST
Moon 12:13 PM CST (12/21) 12:58 AM CST (12/21)
Length of Visible Light 10h 11m
Length of Day
9h 08m
Waxing Gibbous, 65% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 33.1 °F 19.6 °F 28.9 °F 85% 29.49 in 1.5 mi NW 27.6 mph 38.0 mph 0.00 in Snow Light Snow
1:18 AM 33.8 °F 22.5 °F 28.4 °F 81% 29.49 in 2.5 mi NW 19.6 mph 35.7 mph 0.00 in Snow Light Snow
1:51 AM 33.1 °F 20.9 °F 27.0 °F 78% 29.55 in 2.5 mi WNW 21.9 mph 38.0 mph 0.00 in Snow Light Snow
2:20 AM 33.8 °F 21.6 °F 26.6 °F 75% 29.56 in 3.0 mi NW 23.0 mph 36.8 mph 0.00 in Snow Light Snow
2:51 AM 32.0 °F 19.8 °F 26.1 °F 79% 29.61 in 3.0 mi WNW 20.7 mph 39.1 mph 0.00 in Snow Light Snow
3:51 AM 30.9 °F 16.7 °F 25.0 °F 79% 29.65 in 9.0 mi WNW 27.6 mph 36.8 mph 0.00 in Snow Light Snow
4:51 AM 30.0 °F 15.4 °F 21.9 °F 72% 29.70 in 10.0 mi WNW 27.6 mph 44.9 mph 0.00 in Snow Light Snow
5:51 AM 28.9 °F 14.3 °F 21.0 °F 72% 29.75 in 10.0 mi NW 26.5 mph 40.3 mph 0.00 in Snow Light Snow
6:51 AM 28.9 °F 15.4 °F 21.0 °F 72% 29.79 in 10.0 mi NW 21.9 mph 32.2 mph 0.00 in   Overcast
7:51 AM 28.0 °F 13.9 °F 19.9 °F 72% 29.83 in 10.0 mi NW 23.0 mph 31.1 mph N/A   Overcast
8:51 AM 28.9 °F 14.8 °F 19.9 °F 69% 29.87 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Mostly Cloudy
9:51 AM 28.0 °F 13.9 °F 19.0 °F 69% 29.91 in 10.0 mi NW 23.0 mph 36.8 mph N/A   Mostly Cloudy
10:38 AM 28.4 °F 14.1 °F 19.4 °F 69% 29.89 in 10.0 mi NW 24.2 mph 34.5 mph N/A   Scattered Clouds
10:51 AM 28.9 °F 14.5 °F 19.0 °F 67% 29.93 in 10.0 mi NW 25.3 mph 35.7 mph N/A   Scattered Clouds
11:51 AM 28.9 °F 14.8 °F 19.9 °F 69% 29.95 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Scattered Clouds
12:51 PM 28.9 °F 16.9 °F 19.0 °F 67% 29.98 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Scattered Clouds
1:04 PM 28.4 °F 14.1 °F 17.6 °F 64% 29.95 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Mostly Cloudy
1:51 PM 26.1 °F 12.7 °F 17.1 °F 69% 30.01 in 10.0 mi WNW 18.4 mph 31.1 mph N/A   Mostly Cloudy
2:51 PM 27.0 °F 13.5 °F 16.0 °F 63% 30.04 in 10.0 mi NW 19.6 mph - N/A   Mostly Cloudy
3:51 PM 26.6 °F 14.3 °F 15.8 °F 64% 30.05 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Mostly Cloudy
4:51 PM 25.0 °F 11.3 °F 15.1 °F 66% 30.13 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Mostly Cloudy
5:51 PM 25.0 °F 11.3 °F 15.1 °F 66% 30.16 in 10.0 mi NW 18.4 mph 27.6 mph N/A   Overcast
6:51 PM 24.1 °F 12.5 °F 15.1 °F 69% 30.18 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
7:11 PM 23.0 °F 12.4 °F 14.0 °F 68% 30.14 in 10.0 mi WNW 10.4 mph 20.7 mph N/A   Partly Cloudy
7:51 PM 23.0 °F 11.1 °F 14.0 °F 68% 30.19 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
8:51 PM 21.9 °F 11.0 °F 12.9 °F 68% 30.20 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:51 PM 21.0 °F 9.9 °F 12.0 °F 68% 30.21 in 10.0 mi NW 10.4 mph - N/A   Clear
10:51 PM 21.0 °F 11.4 °F 12.0 °F 68% 30.21 in 10.0 mi NW 8.1 mph - N/A   Clear
11:51 PM 21.0 °F 10.6 °F 12.0 °F 68% 30.22 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy