Chicago Ohare Int'l Airport - Weather
Weather Station of the U.S. Weather Service

Located in Chicago in Cook County, Illinois, Chicago Ohare International Airport is at an elevation of 658 feet and was established as a weather station on 30 Oct 1958.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 29.6 34.7 46.1 58.0 69.9 79.2 83.5 81.2 73.9 62.1 47.1 34.4 58.3 Average Low........ 14.3 19.2 28.5 37.6 47.5 57.2 63.2 62.2 53.7 42.1 31.6 20.4 39.8 Monthly Precipitn.. 1.75 1.63 2.65 3.68 3.38 3.63 3.51 4.62 3.27 2.71 3.01 2.43 36.27 Heating Degree Days 1333 1075 858 513 232 49 5 9 112 401 759 1147 6493 Cooling Degree Days 0 0 1 9 48 159 283 234 91 10 0 0 835 

Location: Chicago Illinois

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