Three-Month Temperature Outlook
Issued: February 2018

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

 		MAM		AMJ		MJJ		JJA		JAS		ASO		SON		OND		NDJ		DJF		JFM		FMA		MAM		
Median		48.7		59.0		67.5		72.0		70.5		63.4		53.0		40.9		31.4		26.7		29.9		38.4		48.7		
99%		54.9/42.5	63.9/54.1	72.7/62.3	77.7/66.3	75.1/65.9	67.8/59.0	57.6/48.4	47.3/34.5	39.6/23.2	35.5/17.9	37.6/22.2	44.6/32.2	54.9/42.5