Contiguous U.S., Precipitation Rankings, March 1975 1901-2000 Inches 1 3.40 2.51 0.89 125 5 1910 1973 1974 1973 top-tenth 2 6.01 4.64 1.37 125 5 1910 1998 1974 1903 top-tenth 3 8.62 6.96 1.66 126 4 1910 1998 1974 1897 top-tenth 4 11.04 9.30 1.74 121 8 1981 1983,1998 1974 1973 top-tenth 5 13.22 11.53 1.69 114 15 1977 1983 1972 1974 top-third 6 15.23 13.70 1.53 110 19 1918 1983 1972 1974 top-third 7 17.95 16.19 1.76 110 19 1918 2019 1972 1974 top-third 8 21.38 18.82 2.56 118 11 1918 2019 1972 1974 top-tenth 9 23.52 21.60 1.92 110 19 1918 2019 1972 1974 top-third 1897 10 26.16 24.53 1.63 104 25 1918 2019 1972 1974 top-third 1897 11 29.23 27.43 1.80 104 25 1918 2019 1972 1974 top-third 12 31.78 29.96 1.82 103 26 1918 2016 1972 1974 top-third 18 47.87 43.68 4.19 116 12 1918 2020 1972 1974 top-tenth 24 65.76 59.92 5.84 118 10 1955 2020 1973 1974 top-tenth 36 99.64 89.87 9.77 122 5 1955 2020 1974 1975 top-tenth 48 129.75 119.76 9.99 116 10 1957 2019 1974 1975 top-tenth 60 159.53 149.62 9.91 112 13 1957 2020 1974 1975 top-third