1901-2000 Inches 1 1.72 2.13 -0.41 21 109 1947 1998 1906 1917 bottom-third 1906 2 4.13 4.45 -0.32 45 85 1977 1998 1917 1916 normal 1972,2006 3 5.79 6.79 -1.00 15 114 1977 2019 1904 1917 bottom-third 4 6.74 9.02 -2.28 3 126 1977 2019 1918 1917 bottom-tenth 5 8.12 11.19 -3.07 2 127 1977 2019 1918 1917 bottom-tenth 6 10.29 13.68 -3.39 2 127 1977 2019 1918 1917 bottom-tenth 7 12.73 16.31 -3.58 2 127 1977 2019 1918 1917 bottom-tenth 8 15.24 19.09 -3.85 2 127 1977 2019 1918 1917 bottom-tenth 9 17.68 22.02 -4.34 1 128 1918,1931,1977 2019 1918 1917 lowest 1931,1977 10 20.32 24.92 -4.60 1 128 1918 2019 1918 1917 lowest 11 23.00 27.45 -4.45 4 125 1931 2019 1918 1917 bottom-tenth 12 25.48 29.96 -4.48 5 124 1931 2019 1911 1917 bottom-tenth 18 37.25 43.65 -6.40 1 127 1918 2020 1918 1917 lowest 24 53.34 59.92 -6.58 2 126 1935 2020 1918 1917 bottom-tenth 36 86.15 89.87 -3.72 29 98 1957 2020 1913 1917 bottom-third 48 115.90 119.77 -3.87 27 99 1957 2019 1914 1917 bottom-third 60 145.55 149.63 -4.08 28 97 1957 2020 1915 1917 bottom-third