Monthly Precipitation Data
Grand Rapids, Michigan
(July 1987 through June 1997)

Month/Year

Actual
precipitation

Normal
precipitation

Deviation
from normal

Snowfall/Ice

Cumulative
seasonal snowfall
July 1987 2.93 3.02 -0.09 0 0
Aug. 1987 8.46 3.45 5.01 0 0
Sept. 1987 4.47 3.14 1.33 0 0
Oct. 1987 2.33 2.89 -0.56 1.6 1.6
Nov. 1987 2.49 2.93 -0.44 0.7 2.3
Dec. 1987 3.29 2.55 0.74 18.2 20.5
Jan. 1988 2.39 1.91 0.48 21.9 42.4
Feb. 1988 1.14 1.53 -0.39 18.1 60.5
Mar. 1988 2.12 2.48 -0.36 3.4 63.9
April 1988 3.11 3.56 -0.45 0.3 64.2
May 1988 1.07 3.03 -1.96 0 64.2
June 1988 0.25 3.86 -3.61 0 64.2
July 1988 3.69 3.02 0.67 0 0
Aug. 1988 3.04 3.45 -0.41 0 0
Sept. 1988 7.49 3.14 4.35 0 0
Oct. 1988 5.37 2.89 2.48 0.2 0.2
Nov. 1988 4.82 2.93 1.89 5.5 5.7
Dec. 1988 1.88 2.55 -0.67 14.4 20.1
Jan. 1989 0.95 1.91 -0.96 8.7 28.8
Feb. 1989 1.01 1.53 -0.52 25.1 53.9
Mar. 1989 2.47 2.48 -0.01 6.3 60.2
Apr. 1989 1.79 3.56 -1.77 2.2 62.4
May 1989 4.33 3.03 1.3 Trace 62.4
June 1989 5.02 3.86 1.16 0 62.4
July 1989 1.29 3.02 -1.73 0 0
Aug. 1989 4.78 3.45 1.33 0 0
Sept. 1989 4.9 3.14 1.76 0 0
Oct. 1989 1.53 2.89 -1.36 5.8 5.8
Nov. 1989 4.86 2.93 1.93 19.4 25.2
Dec. 1989 0.97 2.55 -1.58 25.2 50.4
Jan. 1990 2.39 1.91 0.48 10.6 61
Feb. 1990 2.08 1.53 0.55 23.8 84.8
Mar. 1990 1.96 2.48 -0.52 2.7 87.5
April 1990 2.23 3.56 -1.33 2.1 89.6
May 1990 4.39 3.03 1.36 0.2 89.8
June 1990 3 3.86 -0.86 0 89.8
July 1990 3.73 3.02 0.71 0 0
Aug. 1990 3.4 3.45 -0.05 0 0
Sept. 1990 4.22 3.14 1.08 0 0
Oct. 1990 5.05 2.89 2.16 Trace Trace
Nov. 1990 7.14 2.93 4.21 2 2
Dec. 1990 2.97 2.55 0.42 18.6 20.6
Jan. 1991 1.32 1.91 -0.59 27.7 48.3
Feb. 1991 0.64 1.53 -0.89 9.5 57.8
Mar. 1991 3.58 2.48 1.1 2.8 60.6
April 1991 5.58 3.56 2.02 Trace 60.6
May 1991 4.44 3.03 141 0 60.6
June 1991 1.76 3.86 -2.1 0 60.6
July 1991 6.24 3.02 3.22 0 0
Aug. 1991 3.79 3.45 0.34 0 0
Sept. 1991 2.93 3.14 -0.21 0 0
Oct. 1991 5.61 2.89 2.72 0.3 0.3
Nov. 1991 6.41 2.93 3.48 25.3 25.6
Dec. 1991 2.63 2.55 0.08 27.9 53.5
Jan. 1992 1.52 1.91 -0.39 13.4 66.9
Feb. 1992 1.06 1.53 -0.47 3.5 70.4
Mar. 1992 3.51 2.48 1.03 15.1 85.5
April 1992 3.98 3.56 0.42 2.3 87.8
May 1992 1.45 3.03 -1.58 0 87.8
June 1992 1.61 3.86 -2.25 0 87.8
July 1992 8.83 3.02 5.81 0 0
Aug. 1992 3.55 3.45 0.1 0 0
Sept. 1992 5.6 3.14 2.46 0 0
Oct. 1992 2.34 2.89 -0.55 2.3 2.3
Nov. 1992 5.64 2.93 2.71 4.2 6.5
Dec. 1992 3.27 2.55 0.72 14.2 20.7
Jan. 1993 4.21 1.83 2.38 11.1 31.8
Feb. 1993 1.13 1.42 -0.29 18.6 50.4
Mar. 1993 2.31 2.63 -0.33 11.6 62
April 1993 4.93 3.37 1.56 3.3 65.3
May 1993 2.71 3.13 -0.42 0 65.3
June 1993 6.05 3.68 2.37 0 65.3
July 1993 1.83 3.19 -1.36 0 0
Aug. 1993 7.73 3.57 4.16 0 0
Sept. 1993 8.2 4.24 3.96 0 0
Oct. 1993 4.32 2.81 1.51 Trace Trace
Nov. 1993 2.12 3.32 -1.2 1.9 1.9
Dec. 1993 1.47 2.85 -1.38 17.7 19.6
Jan. 1994 2.68 1.83 0.85 25.3 44.9
Feb. 1994 1.7 1.42 0.28 29.6 74.5
Mar. 1994 1.46 2.63 -1.17 1.9 76.4
Apr. 1994 3.25 3.37 -0.12 Trace 76.4
May 1994 2.64 3.13 -0.49 0.1 76.5
June 1994 7.17 3.68 3.49 0 76.5
July 1994 8.07 3.19 4.88 0 0
Aug. 1994 7.39 3.57 3.82 0 0
Sept. 1994 1.23 4.24 -3.01 0 0
Oct. 1994 3.29 2.81 0.48 0 0
Nov. 1994 5.44 3.32 2.12 0.6 0.6
Dec. 1994 1.11 2.85 -1.74 8.9 9.5
Jan.1995 2.73 1.83 0.9 21.6 31.1
Feb. 1995 1.22 1.42 -0.2 18.6 49.7
Mar. 1995 1.49 2.63 -1.14 4.4 54.1
Apr. 1995 3.85 3.37 0.48 0.8 54.9
May 1995 2.85 3.13 -0.28 0 54.9
June 1995 3.97 3.68 0.29 0 54.9
July 1995 6.11 3.19 2.92 0 0
Aug. 1995 3.1 3.57 -0.47 0 0
Sept. 1995 1.54 4.24 -2.7 Trace Trace
Oct. 1995 3.68 2.81 0.86 Trace Trace
Nov. 1995 4.37 3.32 1.05 20.8 20.8
Dec. 1995 1.47 2.85 1.38 17.4 38.2
Jan. 1996 1.18 1.83 -0.65 13.5 51.7
Feb. 1996 0.9 1.42 -0.52 6.9 58.6
Mar. 1996 0.97 2.63 -1.66 19.3 77.9
April 1996 2.41 3.37 -0.96 1.8 79.7
May 1996 4.83 3.13 1.7 0 79.7
June 1996 6.33 3.68 2.65 0 79.7
July 1996 1.28 3.19 -1.91 0 0
Aug. 1996 0.32 3.57 -3.25 0 0
Sept. 1996 2.72 4.24 -1.52 0 0
Oct. 1996 2.76 2.81 -0.05 0 0
Nov. 1996 1.4 3.32 -1.92 5.6 5.6
Dec. 1996 2.45 2.85 -0.4 24.6 30.2
Jan. 1997 2.63 1.83 0.8 45.5 75.7
Feb. 1997 4.8 1.42 3.38 14 89.7
Mar. 1997 1.38 2.63 -1.25 5.2 94.9
April 1997 1.7 3.37 -1.67 3.5 98.4
May 1997 3.05 3.13 -0.08 Trace 98.4
June 1997 2.77 3.68 -0.91 0 98.4