Three-Month Temperature Outlook
Issued: September 2017

GRAND RAPIDS INTL AP, MI
KENT County, Coop ID: 203333 Elevation: 803 ft. Latitude: 42° 52' N Longitude: 85° 31' W

Temperature Range for 99% Confidence Interval

 		OND		NDJ		DJF		JFM		FMA		MAM		AMJ		MJJ		JJA		JAS		ASO		SON		OND		
Median		40.2		31.1		26.4		28.6		36.6		47.1		57.9		66.2		70.2		68.4		61.2		51.5		40.2		
99%		46.1/34.3	38.3/23.9	33.9/18.9	35.6/21.6	42.8/30.4	53.5/40.7	63.3/52.5	70.8/61.6	75.1/65.3	72.5/64.3	65.6/56.8	56.1/46.9	46.1/34.3