1901-2000 Inches 1 0.91 3.64 -2.73 2 128 1955 1979 1955 1980 bottom-tenth 2 2.24 7.46 -5.22 1 128 1981 1979 1981 1980 lowest 3 5.97 11.49 -5.52 1 128 1981 1978 1981 1980 lowest 4 10.08 15.00 -4.92 5 124 2002 2006 1947 1980 bottom-tenth 5 11.84 18.79 -6.95 2 127 2002 2006 1981 1980 bottom-tenth 6 13.91 22.68 -8.77 2 127 1985 2019 1981 1980 bottom-tenth 7 17.23 26.34 -9.11 1 128 1981 2019 1981 1980 lowest 8 20.93 29.96 -9.03 2 127 1965 2019 1965 1980 bottom-tenth 9 22.72 33.55 -10.83 2 127 1965 2019 1965 1980 bottom-tenth 10 27.65 37.41 -9.76 3 126 1966 2019 1966 1980 bottom-tenth 11 34.29 41.36 -7.07 12 117 1966 2019 1967 1980 bottom-tenth 12 35.28 44.61 -9.33 6 123 1966 2019 1966 1980 bottom-tenth 18 57.72 67.22 -9.50 9 119 1966 2006 1967 1980 bottom-tenth 24 79.94 89.20 -9.26 15 113 1966 1974 1967 1980 bottom-third 36 124.59 133.81 -9.22 22 105 1967 2011 1968 1980 bottom-third 48 183.60 178.50 5.10 63 63 1967 2012 1972 1980 normal 60 224.11 223.05 1.06 54 71 1967 2012 1972 1980 normal 2018