Monthly Precipitation Data
Grand Rapids, Michigan
(July 1957 through June 1967)

Month/Year

Actual
precipitation

Normal
precipitation

Deviation
from normal

Snowfall/Ice

Cumulative
seasonal snowfall
July 1957 4.35 2.65 1.7 0 0
Aug. 1957 1.62 2.58 -0.96 0 0
Sept. 1957 3.43 3.44 -0.01 0 0
Oct. 1957 3.29 2.51 0.78 Trace Trace
Nov. 1957 3.74 2.53 1.21 9.9 9.9
Dec. 1957 2.38 2.17 0.21 17.4 27.3
Jan. 1958 1.16 1.9 -0.74 23.6 50.9
Feb. 1958 0.62 1.67 -1.05 10.6 61.5
Mar. 1958 0.74 2.35 -1.61 8.8 70.3
April 1958 2.92 2.9 0.02 Trace 70.3
May 1958 2.08 3.45 -1.37 0 70.3
June 1958 2.3 3.35 -1.05 0 70.3
July 1958 2.92 2.65 0.27 0 0
Aug. 1958 4.84 2.58 2.26 0 0
Sept. 1958 2.93 3.44 -0.51 0 0
Oct. 1958 3.11 2.51 0.6 0 0
Nov. 1958 2.38 2.53 -0.15 8.6 8.6
Dec. 1958 1.33 2.17 -0.84 26.6 35.2
Jan. 1959 2.32 1.9 0.42 32.6 67.8
Feb. 1959 2.56 1.67 0.89 16.6 84.4
Mar. 1959 2.99 2.35 0.64 19.9 104.3
April 1959 4.8 2.9 1.9 0.4 104.7
May 1959 2.97 3.45 -0.48 0 104.7
June 1959 0.59 3.35 -2.76 0 104.7
July 1959 2.08 2.65 -0.57 0 0
Aug. 1959 3.48 2.58 0.9 0 0
Sept. 1959 1.96 3.44 -1.48 0 0
Oct. 1959 5.58 2.51 3.07 Trace Trace
Nov. 1959 3.02 2.53 0.49 15.3 15.3
Dec. 1959 2.52 2.17 0.35 10.6 25.9
Jan. 1960 3.5 1.9 1.6 25 50.9
Feb. 1960 2.63 1.67 0.96 25.6 76.5
Mar. 1960 1.09 2.35 -1.26 13.2 89.7
April 1960 2.64 2.9 -0.26 1 90.7
May 1960 3.82 3.45 0.37 0 90.7
June 1960 2.82 3.35 -0.53 0 90.7
July 1960 3.82 2.65 1.17 0 0
Aug. 1960 2.17 2.58 -0.41 0 0
Sept. 1960 1.1 3.44 -2.34 0 0
Oct. 1960 1.06 2.51 -1.45 Trace Trace
Nov. 1960 2.65 2.53 0.12 5.9 5.9
Dec. 1960 0.81 2.17 -1.36 13.5 19.4
Jan. 1961 1.35 1.9 -0.55 30 49.4
Feb. 1961 0.9 1.67 -0.77 4.2 53.6
Mar. 1961 3.26 2.35 0.91 5.6 59.2
April 1961 3.98 2.9 1.08 15.6 74.8
May 1961 1.03 3.45 -2.42 Trace 74.8
June 1961 1.29 3.35 -2.06 0 74.8
July 1961 1.9 2.65 -0.75 0 0
Aug. 1961 2.06 2.58 -0.52 0 0
Sept. 1961 9.15 3.44 5.71 0 0
Oct. 1961 1.62 2.51 -0.89 0 0
Nov. 1961 1.55 2.53 -0.98 0.6 0.6
Dec. 1961 1.54 2.17 -0.63 18.7 19.3
Jan. 1962 3.02 1.91 1.11 36.1 55.4
Feb. 1962 1.68 1.75 -0.07 21.4 76.8
Mar. 1962 1.74 2.28 -0.54 8 84.8
April 1962 2.66 2.94 -0.28 3.1 87.9
May 1962 2.41 3.46 -1.05 0 87.9
June 1962 1.11 3.31 -2.2 0 87.9
July 1962 2.14 2.73 -0.59 0 0
Aug. 1962 1.08 2.7 -1.62 0 0
Sept. 1962 2.82 2.98 -0.16 0 0
Oct. 1962 1.64 2.61 -0.97 2.6 2.6
Nov. 1962 0.63 2.49 -1.86 0.8 3.4
Dec. 1962 1.84 2.03 -0.19 26.2 29.6
Jan. 1963 2.26 1.91 0.35 42.6 72.2
Feb. 1963 0.46 1.75 -1.29 8.4 80.6
Mar. 1963 3.45 2.28 1.17 5 85.6
April 1963 3.84 2.94 0.9 4.1 89.7
May 1963 2.74 3.46 -0.72 0 89.7
June 1963 2.71 3.31 -0.6 0 89.7
July 1963 3.41 2.73 0.68 0 0
Aug. 1963 3.31 2.7 0.61 0 0
Sept. 1963 2.97 2.98 -0.01 0 0
Oct. 1963 1.04 2.61 -1.57 0 0
Nov. 1963 2.5 2.49 0.01 0.9 0.9
Dec. 1963 1.54 2.03 -0.49 21.6 22.5
Jan. 1964 1.42 1.91 -0.49 18.6 41.1
Feb. 1964 0.73 1.75 -1.02 11.6 52.7
Mar. 1964 3.54 2.28 1.26 16.5 69.2
April 1964 5.28 2.94 2.34 1.2 70.4
May 1964 3.96 3.46 0.5 0 70.4
June 1964 4.12 3.31 0.81 0 70.4
July 1964 2.14 2.73 -0.59 0 0
Aug. 1964 3.19 2.7 0.49 0 0
Sept. 1964 3.16 2.98 0.18 0 0
Oct. 1964 0.6 2.61 -2.01 Trace Trace
Nov. 1964 2.13 2.49 -0.36 5.8 5.8
Dec. 1964 2.01 2.03 -0.02 13.4 19.2
Jan. 1965 3.99 1.91 2.08 24.1 43.3
Feb. 1965 1.58 1.75 -0.17 16.7 60
Mar. 1965 3.11 2.28 0.83 36 96
April 1965 2.49 2.94 -0.45 5.4 101.4
May 1965 1.53 3.46 -1.93 0 101.4
June 1965 2.89 3.31 -0.42 0 101.4
July 1965 1.96 2.73 0.77 0 0
Aug. 1965 5.36 2.7 2.66 0 0
Sept. 1965 6.62 2.98 3.64 0 0
Oct. 1965 2.1 2.61 -0.51 0 0
Nov. 1965 2.35 2.49 -0.14 9.1 9.1
Dec. 1965 4.23 2.03 2.2 9.6 18.7
Jan. 1966 1.22 1.91 -0.69 25.9 44.6
Feb. 1966 2.28 1.75 0.53 15 59.6
Mar. 1966 2.65 2.28 0.37 4.6 64.2
April 1966 4.62 2.94 1.68 2.8 67
May 1966 2.16 3.46 -1.3 Trace 67
June 1966 2.36 3.31 -0.95 0 67
July 1966 1.95 2.73 -0.78 0 0
Aug. 1966 3.82 2.7 1.12 0 0
Sept. 1966 1.92 2.98 -1.06 0 0
Oct. 1966 2.33 2.61 -0.28 0 0
Nov. 1966 7.81 2.49 5.32 16.6 16.6
Dec. 1966 4.01 2.03 1.98 17.6 34.2
Jan. 1967 1.94 1.91 0.03 29.8 64
Feb. 1967 1.13 1.75 -0.62 17.5 81.5
Mar. 1967 2.49 2.28 0.21 10.3 91.8
April 1967 4.27 2.94 1.33 Trace 91.8
May 1967 1.86 3.46 -1.6 Trace 91.8
June 1967 8.21 3.31 4.9 0 91.8