Three-Month Temperature Outlook
Issued: April 2014

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

 		MJJ		JJA		JAS		ASO		SON		OND		NDJ		DJF		JFM		FMA		MAM		AMJ		MJJ		
Median		67.4		71.8		70.4		63.1		52.5		40.5		31.4		27.6		30.5		38.7		48.8		59.1		67.4		
99%		72.6/62.2	77.5/66.1	75.0/65.8	67.5/58.7	57.1/47.9	46.9/34.1	39.6/23.2	36.4/18.8	38.2/22.8	44.9/32.5	55.0/42.6	64.0/54.2	72.6/62.2