Weather History for Chicago Midway, IL

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 18 °F 30 °F  
Max Temperature 26 °F 37 °F 65 °F (1983)
Min Temperature 9 °F 23 °F -9 °F (1929)
Degree Days  
Heating Degree Days 47 35  
Month to date heating degree days 763 748  
Since 1 July heating degree days 3877 4244  
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 57    
Maximum Humidity 64    
Minimum Humidity 36    
Precipitation  
Precipitation T in 0.08 in 1.35 in (1997)
Month to date precipitation 1.14 1.28  
Year to date precipitation 3.69 3.34  
Sea Level Pressure  
Sea Level Pressure 30.36 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 6:39 AM CST 5:30 PM CST
Civil Twilight 6:10 AM CST 5:59 PM CST
Nautical Twilight 5:38 AM CST 6:31 PM CST
Astronomical Twilight 5:06 AM CST 7:03 PM CST
Moon 12:49 PM CST (2/20) 3:01 AM CST (2/20)
Length of Visible Light 11h 48m
Length of Day
10h 51m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 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
12:51 AM 12.0 °F -0.4 °F 1.0 °F 61% 30.26 in 10.0 mi West 9.2 mph - N/A   Clear
1:51 AM 10.9 °F -3.4 °F 1.0 °F 64% 30.27 in 10.0 mi WNW 11.5 mph - N/A   Clear
2:51 AM 10.0 °F -4.5 °F -0.0 °F 64% 30.29 in 10.0 mi WNW 11.5 mph - N/A   Clear
3:51 AM 10.0 °F -5.9 °F -0.9 °F 61% 30.30 in 10.0 mi WNW 13.8 mph - N/A   Clear
4:51 AM 9.0 °F -6.6 °F -0.9 °F 64% 30.33 in 10.0 mi WNW 12.7 mph - N/A   Clear
5:51 AM 9.0 °F -7.9 °F -0.9 °F 64% 30.33 in 10.0 mi NW 15.0 mph - N/A   Partly Cloudy
6:51 AM 9.0 °F -4.2 °F -0.9 °F 64% 30.34 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
7:51 AM 10.9 °F -3.4 °F -0.0 °F 61% 30.35 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
8:51 AM 12.9 °F -0.9 °F 1.0 °F 59% 30.36 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
9:51 AM 15.1 °F 2.5 °F 1.9 °F 56% 30.38 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
10:51 AM 18.0 °F 8.7 °F 3.9 °F 54% 30.38 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
11:51 AM 21.0 °F 11.4 °F 5.0 °F 50% 30.37 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
12:51 PM 21.9 °F 15.7 °F 6.1 °F 51% 30.38 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
1:51 PM 24.1 °F 15.2 °F 8.1 °F 51% 30.39 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
2:51 PM 25.0 °F 15.5 °F 9.0 °F 51% 30.37 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
3:51 PM 25.0 °F 15.5 °F 9.0 °F 51% 30.37 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
4:51 PM 24.1 °F 14.4 °F 9.0 °F 53% 30.38 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
5:51 PM 21.9 °F 11.0 °F 9.0 °F 58% 30.40 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
6:51 PM 21.0 °F 11.4 °F 9.0 °F 60% 30.40 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
7:51 PM 21.0 °F 10.6 °F 9.0 °F 60% 30.41 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
8:19 PM 21.2 °F 13.6 °F 10.4 °F 63% 30.34 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
8:51 PM 21.2 °F 11.7 °F 10.4 °F 63% 30.34 in 10.0 mi NW 8.1 mph - N/A Snow Light Snow
9:51 PM 21.0 °F 12.4 °F 10.0 °F 63% 30.40 in 10.0 mi NNW 6.9 mph - 0.00 in Snow Light Snow
10:51 PM 21.0 °F 13.4 °F 10.0 °F 63% 30.40 in 10.0 mi NW 5.8 mph - 0.00 in   Overcast
11:51 PM 21.0 °F 16.2 °F 10.0 °F 63% 30.40 in 10.0 mi WNW 3.5 mph - N/A   Overcast