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

Month/Year

Actual
precipitation

Normal
precipitation

Deviation
from normal

Snowfall/Ice

Cumulative
seasonal snowfall

July 2007 1.24 3.56 -2.32 0 0
Aug. 2007 6.1 3.78 2.32 0 0
Sept. 2007 1.21 4.28 -3.07 0 0
Oct. 2007 3.13 2.8 0.33 0 0
Nov. 2007 1.06 3.35 -2.29 2.9 2.9
Dec. 2007 3.03 2.7 0.33 25 27.9
Jan. 2008 3.76 2.03 1.73 28.3 56.2
Feb. 2008 4.16 1.54 2.62 41.6 97.8
Mar. 2008 2.47 2.59 -0.12 9.2 107
Apr. 2008 3.56 3.48 0.08 Trace 107
May 2008 2.13 3.35 -1.22 0 107
June 2008 5.66 3.67 1.99 0 107
July 2008 5.42 3.56 1.86 0 0
Aug. 2008 1.05 3.78 -2.73 0 0
Sept. 2008 9.54 4.28 5.26 0 0
Oct. 2008 2.71 2.8 -0.09 Trace Trace
Nov. 2008 2.07 3.35 -1.28 10 10
Dec. 2008 6.27 2.7 3.57 54.6 64.6
Jan. 2009 1.74 2.03 -0.29 29.9 94.5
Feb. 2009 3.31 1.54 1.77 10 104.5
Mar. 2009 2.66 2.59 0.07 0.4 104.9
Apr. 2009 5.56 3.48 2.08 Trace 104.9
May 2009 2.65 3.35 -0.7 0 104.9
June 2009 6.17 3.67 2.5 0 104.9
July 2009 2.35 3.56 -1.21 0 0
Aug. 2009 4.74 3.78 0.96 0 0
Sept. 2009 1.56 4.28 -2.72 0 0
Oct. 2009 7.64 2.8 4.84 Trace Trace
Nov. 2009 1.48 3.35 -1.87 0.7 0.7
Dec. 2009 2.99 2.7 0.29 35.4 36.1
Jan. 2010 0.85 2.03 -1.18 9.3 45.4
Feb. 2010 1.8 1.54 0.26 24.8 70.2
Mar. 2010 1.17 2.59 -1.42 2 72.2
Apr. 2010 3.81 3.48 0.33 Trace 72.2
May 2010 3.80 3.35 0.45 0 72.2
June 2010 8.04 3.67 4.37 0 72.2
July 2010 4.66 3.56 1.10 0 0
Aug. 2010 1.74 3.78 -2.04 0 0
Sept. 2010 2.8 4.28 -1.48 0 0
Oct. 2010 2.61 2.8 -0.19 0 0
Nov. 2010 2.81 3.35 -0.54 0.1 0.1
Dec. 2010 1.78 2.7 -0.92 11.4 11.5
Jan. 2011 1.31 2.03 -0.72 21.2 32.7
Feb. 2011 2.96 1.54 1.42 38.2 70.9
Mar. 2011 4.01 2.59 1.42 1.2 72.1
Apr. 2011 7.19 3.48 3.71 1.9 74
May 2011 4.54 3.35 1.19 0 74
June 2011 3.34 3.67 -0.33 0 74
July 2011 6.87 3.56 3.31 0 0
Aug. 2011 4.42 3.59 0.83 0 0
Sept. 2011 2.23 4.28 -2.05 0 0
Oct. 2011 3.13 3.26 -0.13 Trace Trace