National Weather Service United States Department of Commerce
Detroit Area Monthly Precipitation from 1980 to 2000

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly Total
1980 0.69 1.00 3.88 4.23 3.22 6.42 4.33 6.09 2.94 1.26 0.88 2.30 37.24
1981 0.57 3.13 0.82 3.44 2.60 3.33 4.29 2.32 5.47 3.92 1.26 2.38 33.53
1982 3.43 1.10 3.14 1.60 2.83 4.11 4.78 0.72 2.55 1.01 5.68 3.29 34.24
1983 0.84 0.89 1.87 4.20 5.47 4.88 4.53 1.57 2.49 2.85 4.28 3.78 37.65
1984 0.78 1.31 3.12 2.48 3.62 1.04 0.95 3.00 2.30 2.28 2.49 2.90 26.27
1985 2.63 3.83 4.42 2.11 3.11 1.62 3.96 4.88 2.59 3.91 5.51 1.51 40.08
1986 1.30 3.46 2.29 2.73 1.36 5.75 2.47 3.52 7.52 3.05 1.88 2.28 37.61
1987 2.35 0.53 2.19 2.14 2.50 7.04 2.20 6.87 2.69 2.00 3.17 4.60 38.28
1988 1.30 2.02 1.16 1.50 0.87 0.97 2.43 3.13 3.65 3.57 4.29 1.97 26.86
1989 1.28 0.77 2.16 2.22 4.16 3.79 4.21 2.14 3.03 1.73 2.53 1.24 29.26
1990 1.80 5.02 1.91 2.72 3.74 4.92 1.47 3.85 6.06 4.14 2.64 4.37 42.64
1991 1.44 0.94 1.41 2.66 6.20 1.89 1.23 4.31 0.90 4.14 2.61 1.91 29.64
1992 1.78 1.54 3.34 4.34 1.33 2.35 5.91 2.50 5.55 2.01 4.33 2.35 37.33
1993 3.92 1.27 2.12 3.32 1.24 6.05 2.17 1.60 4.26 2.21 1.69 0.78 30.63
1994 2.79 1.38 2.29 4.04 1.18 3.97 3.20 3.30 2.38 1.35 2.74 2.39 31.01
1995 2.47 0.89 1.73 3.44 3.55 1.55 3.40 3.71 0.62 3.53 3.08 0.85 28.82
1996 1.85 1.76 1.56 3.39 2.82 2.37 2.64 0.43 4.42 1.59 1.99 2.57 27.39
1997 2.44 4.04 3.46 1.56 5.23 3.17 2.62 3.22 3.49 1.97 0.95 1.89 34.04
1998 2.78 3.60 4.08 3.96 2.55 2.69 5.72 4.19 1.50 1.34 1.36 1.16 34.93
1999 3.00 1.98 1.12 5.13 2.20 5.46 3.62 1.31 3.11 1.56 1.49 2.24 32.22
2000 1.29 0.84 1.55 4.35 5.11 4.90 5.40 4.66 6.71 3.05 1.69 2.63 42.18