Monthly Precipitation Data
Grand Rapids, Michigan
(July 1997 through June 2007)

Month/Year

Actual
precipitation

Normal
precipitation

Deviation
from normal

Snowfall/Ice

Cumulative
seasonal snowfall

July 1997 1.95 3.19 -1.24 0 0
Aug. 1997 1.99 3.57 -1.58 0 0
Sept. 1997 4.85 4.24 0.61 0 0
Oct. 1997 2.02 2.81 -0.79 2.4 2.4
Nov. 1997 1.49 3.32 -1.83 10.1 12.5
Dec. 1997 0.98 2.85 -1.87 11.5 24
Jan. 1998 4.09 1.83 2.26 20.3 44.3
Feb. 1998 1.5 1.42 0.08 0.5 44.8
Mar. 1998 4.93 2.63 2.3 13.8 58.6
April 1998 2.75 3.37 -0.62 0 58.6
May 1998 1.86 3.13 -1.27 0 58.6
June 1998 2.11 3.68 -1.57 0 58.6
July 1998 2.49 3.19 -0.7 0 0
Aug. 1998 1.7 3.57 -1.87 0 0
Sept. 1998 2.49 4.24 -1.75 0 0
Oct. 1998 2.98 2.81 0.17 0 0
Nov. 1998 2.27 3.32 -1.05 0.2 0.2
Dec. 1998 1.2 2.85 -1.65 7.5 7.7
Jan. 1999 3.54 1.83 1.71 46.8 54.5
Feb. 1999 1.49 1.42 0.07 8 62.5
Mar. 1999 0.96 2.63 -1.67 14.2 76.7
April 1999 6.69 3.37 3.32 Trace 76.7
May 1999 2.46 3.13 -0.67 0 76.7
June 1999 3.81 3.68 0.13 0 76.7
July 1999 2.88 3.19 -0.31 0 0
Aug. 1999 3.22 3.57 -0.35 0 0
Sept. 1999 3.21 4.24 -1.03 0 0
Oct. 1999 1 2.81 -1.81 0 0
Nov. 1999 0.95 3.32 -2.37 0.1 0.1
Dec. 1999 2.31 2.85 -0.54 18.4 18.5
Jan. 2000 1.02 1.83 -0.81 15.7 34.2
Feb. 2000 1.09 1.42 -0.33 11.9 46.1
Mar. 2000 1.33 2.63 -1.3 0.6 46.7
April 2000 3.98 3.37 0.61 7.8 54.5
May 2000 8.65 3.13 5.52 Trace 54.5
June 2000 4.67 3.68 0.99 0 54.5
July 2000 4.06 3.19 0.87 Trace Trace
Aug. 2000 2.31 3.57 -1.26 0 Trace
Sept. 2000 6.31 4.24 2.07 0 Trace
Oct. 2000 1.85 2.81 -0.96 0.1 0.1
Nov. 2000 2.82 3.32 -0.5 23 23.1
Dec. 2000 2.07 2.85 -0.78 59.2 82.3
Jan. 2001 0.71 1.83 -1.12 4.1 86.4
Feb. 2001 2.58 1.42 1.16 7.4 93.8
Mar. 2001 0.54 2.63 -2.09 4.1 97.9
April 2001 2.05 3.37 -1.32 0.2 98.1
May 2001 10.01 3.13 6.88 Trace 98.1
June 2001 3.35 3.68 -0.33 0 98.1
July 2001 2 3.19 -1.19 0 0
Aug. 2001 3.48 3.57 -0.09 0 0
Sept. 2001 3.76 4.24 -0.48 0 0
Oct. 2001 7.38 2.81 4.57 0.5 0.5
Nov. 2001 2.26 3.32 -1.06 Trace 0.5
Dec. 2001 2.37 2.85 -0.48 53.9 54.4
Jan. 2002 1.12 2.03 -0.91 17.5 71.9
Feb. 2002 1.48 1.54 -0.06 8.7 80.6
Mar. 2002 2.65 2.59 0.06 22.6 103.2
April 2002 3.72 3.48 0.24 2 105.2
May 2002 4.32 3.35 0.97 Trace 105.2
June 2002 2.06 3.67 -1.61 Trace 105.2
July 2002 2.09 3.56 -1.47 0 0
Aug. 2002 4.67 3.78 0.89 0 0
Sept. 2002 0.97 4.28 -3.31 0 0
Oct. 2002 2.04 2.8 -0.76 Trace Trace
Nov. 2002 2.4 3.35 0.95 7.6 7.6
Dec. 2002 1.97 2.7 -0.73 15.6 23.2
Jan. 2003 0.91 2.03 -1.12 30.2 53.4
Feb. 2003 0.61 1.54 -0.93 18.9 72.3
Mar. 2003 1.58 2.59 -1.01 14.4 86.7
April 2003 2.96 3.48 -0.52 1.3 88
May 2003 5.68 3.35 2.33 Trace 88
June 2003 1.72 3.67 -1.95 0 88
July 2003 3.56 3.56 0 0 0
Aug. 2003 3.75 3.78 -0.03 0 0
Sept. 2003 2.45 4.28 -1.83 Trace Trace
Oct. 2003 1.76 2.8 -1.04 Trace Trace
Nov. 2003 7.9 3.35 4.55 4.3 4.3
Dec. 2003 1.23 2.7 -1.47 8.4 12.7
Jan. 2004 2.01 2.03 -0.02 44.2 56.9
Feb. 2004 1.03 1.54 -0.51 13 69.9
Mar. 2004 4.79 2.59 2.2 3.9 73.8
April 2004 2.04 3.48 -1.44 0.2 74
May 2004 9.29 3.35 5.94 Trace 74
June 2004 3.09 3.67 -0.58 0 74
July 2004 2.56 3.56 -1 0 0
Aug. 2004 3.41 3.78 -0.37 0 0
Sept. 2004 0.67 4.28 -3.61 0 0
Oct. 2004 3.98 2.8 1.18 Trace Trace
Nov. 2004 4.03 3.35 0.68 10.3 10.3
Dec. 2004 2.38 2.7 -0.32 13.1 23.4
Jan. 2005 4.67 2.03 2.64 27.8 51.2
Feb. 2005 2.54 1.54 1 15.1 66.3
Mar. 2005 1.41 2.59 -1.18 14.4 80.7
April 2005 0.77 3.48 -2.71 1 81.7
May 2005 2.04 3.35 -1.31 Trace 81.7
June 2005 7.35 3.67 3.68 Trace 81.7
July 2005 4.08 3.56 0.52 0 0
Aug. 2005 1.42 3.78 -2.36 0 0
Sept. 2005 3.82 4.28 -0.46 0 0
Oct. 2005 0.71 2.8 -2.09 0 0
Nov. 2005 5.29 3.35 1.94 17.3 17.3
Dec. 2005 2.43 2.7 -0.27 28.9 46.2
Jan. 2006 4.3 2.03 2.27 9.6 55.8
Feb. 2006 2.39 1.54 0.85 10.1 65.9
Mar. 2006 3.31 2.59 0.72 3.3 69.2
April 2006 2.22 3.48 -1.26 Trace 69.2
May 2006 4.92 3.35 1.57 0 69.2
June 2006 1.77 3.67 -1.9 0 69.2
July 2006 6.9 3.56 3.34 0 0
Aug. 2006 1.62 3.78 -2.16 0 0
Sept. 2006 5.38 4.28 1.1 0 0
Oct. 2006 5.02 2.8 2.22 2.1 2.1
Nov. 2006 2.8 3.35 -0.55 0.3 2.4
Dec. 2006 3.76 2.7 1.06 11.6 14
Jan. 2007 2.19 2.03 0.16 15.4 29.4
Feb. 2007 1.98 1.54 0.44 33.6 63.0
Mar. 2007 3.5 2.59 0.91 13.6 76.6
Apr. 2007 4.27 3.48 0.79 6.7 83.3
May 2007 1.68 3.35 -1.67 0 83.3
June 2007 3.39 3.67 -0.28 0 83.3