Three-Month Temperature Outlook
Issued: June 2017

CHICAGO OHARE INTL AP, IL
COOK County, Coop ID: 111549 Elevation: 658 ft. Latitude: 41° 59' N Longitude: 87° 56' W

Temperature Range for 99% Confidence Interval

 		JAS		ASO		SON		OND		NDJ		DJF		JFM		FMA		MAM		AMJ		MJJ		JJA		JAS		
Median		70.7		63.5		53.1		41.1		31.3		26.5		29.9		38.4		48.8		59.3		67.6		71.8		70.4		
99%		75.3/66.1	67.9/59.1	57.7/48.5	47.5/34.7	39.5/23.1	35.3/17.7	37.6/22.2	44.6/32.2	55.0/42.6	64.2/54.4	72.8/62.4	77.5/66.1	75.0/65.8