Maryland, Precipitation Rankings, June 2018 1901-2000 Inches 1 5.10 3.85 1.25 105 24 1988 1972 2017 2015 top-third 2 12.71 7.58 5.13 125 4 1964 1972 2017 2003 top-tenth 3 16.46 11.06 5.40 124 5 1986 1972 2017 2003 top-tenth 4 19.24 14.84 4.40 120 9 1986 1983 2017 2015 top-tenth 5 23.97 17.72 6.25 122 7 1925 1972 2017 2003 top-tenth 6 26.37 21.08 5.29 117 12 1986 1972 2017 2003 top-tenth 7 27.32 24.36 2.96 102 26 1986 1998 2017 2015 top-third 8 29.28 27.35 1.93 89 39 1977 1998 2017 2015 top-third 9 33.07 30.49 2.58 93 35 1925 2003 2017 2015 top-third 10 35.08 34.04 1.04 75 53 2002 2019 2017 2016 normal 11 40.65 38.41 2.24 82 46 1931 1972 2017 2015 normal 12 48.41 42.56 5.85 108 20 1931 2019 2017 2004 top-third 1996 18 67.58 63.61 3.97 91 37 1931 2019 2017 2016 top-third 24 88.20 85.04 3.16 76 51 1931 2019 2017 2016 normal 36 130.54 127.68 2.86 69 57 1967 2021 2017 2016 normal 48 176.54 170.20 6.34 84 41 1967 2021 2017 2016 top-third 60 224.25 212.61 11.64 93 31 1967 2022 2017 2016 top-third