Monthly Temperature Data
Grand Rapids, Michigan
(July 2007 through current)

Month/Year

Actual temperature

Normal temperature

Deviation from normal

July 2007  72.2 71.4 0.8
Aug. 2007 73.3 69.4 3.9
Sept. 2007 66.1 61.3 4.8
Oct. 2007 58.1 49.9 8.2
Nov. 2007 39.0 38.4 0.6
Dec. 2007 29.2 27.6 1.6
Jan. 2008 26.6 22.4 4.2
Feb. 2008 22.3 25 -2.7
Mar. 2008 32.8 34.6 -1.8
Apr. 2008 50.5 46.3 4.2
May 2008 55.5 58.1 -2.6