Global Warming? Chicago – Coolest July 8th in 118 Years

Tom Skilling
Chicago Tribune
Friday, July 10, 2009

For the 12th time this meteorological summer (since June 1), daytime highs failed to reach 70 degrees Wednesday. Only one other year in the past half century has hosted so many sub-70-degree days up to this point in a summer season — 1969, when 14 such days occurred.

Wednesday’s paltry 65-degree high at O’Hare International Airport (an early-May-level temperature and a reading 18 degrees below normal) was also the city’s coolest July 8 high in 118 years — since a 61-degree high on the date in 1891.

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Rains on Wednesday were bothersome but generally light in the city, where 0.20 inches fell at Midway Airport. Heavier rains were recorded well west and southwest of Chicago, including an unofficial report of 0.93 inches at DeKalb and 0.60 inches in Pontiac.

Sunshine re-emerges Thursday and should boost temperatures back into the 80s. Southeast winds off Lake Michigan will limit shoreline highs to the mid-and-upper 70s. An isolated thunderstorm may bubble to life in far western sections of the area late in the day

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