1901-2000 Degrees Fahrenheit 1 36.10 32.68 3.42 115 14 1983 2021 1998 1994 top-third 2 42.11 37.19 4.92 127 2 2000 2021 1998 1999 top-tenth 3 46.32 42.83 3.49 126 3 1898 2021 1998 1999 top-tenth 4 50.83 48.34 2.49 123 6 1976 2021 1997 1998 top-tenth 5 55.24 53.09 2.15 122 7 1976 2021 1997 1998 top-tenth 6 58.42 56.51 1.91 119 10 1976 2021 1997 1998 top-tenth 7 59.83 58.22 1.61 115 14 1976 2021 1997 1998 top-third 8 59.86 58.47 1.39 110 19 1976 2021 1997 1998 top-third 9 58.94 57.64 1.30 112 17 1917 2021 1997 1998 top-third 10 57.32 56.03 1.29 110 19 1917 2012 1997 1998 top-third 1936,1994,2004 11 55.70 54.01 1.69 119 10 1917 2012 1997 1998 top-tenth 12 53.88 52.02 1.86 119 10 1917 2012 1997 1998 top-tenth 18 55.59 53.52 2.07 123 5 1917 2012,2016 1998 1999 top-tenth 24 54.05 52.02 2.03 123 5 1917 2017 1998 1999 top-tenth 36 53.44 52.01 1.43 113 14 1917 2017 1998 1999 top-third 48 53.05 52.00 1.05 103 23 1917 2018 1998 1934 top-third 60 52.97 51.99 0.98 102 23 1920 2019,2020 1998 1999 top-third