1901-2000 Degrees Fahrenheit 1 60.1 55.7 4.4 110 20 1960 2012 1896 1897 top-third 2 53.4 52.0 1.4 86 44 1958,1978 1938,2012 1896 1897 normal 1992,2009 3 52.0 49.7 2.3 102 28 1978 2012 1897 1898 top-third 1909,1999 4 50.7 49.0 1.7 93 36 1978 1907,2012 1897 1898 top-third 1989,1990 5 51.5 50.0 1.5 96 33 1977 1907,2012 1896 1897 top-third 1935 6 54.2 52.4 1.8 106 23 1977 1932 1897 1898 top-third 2022 7 57.5 55.7 1.8 108 21 1977 1932 1897 1898 top-third 1972 8 60.3 58.8 1.5 105 24 1977 2017 1897 1897 top-third 1897,1911,2000 9 62.7 61.2 1.5 106 23 1977 2017 1896 1897 top-third 1925,2000 10 64.7 63.0 1.7 117 12 1977 2017 1897 1898 top-tenth 1923,1952,2019 11 65.1 63.7 1.4 106 23 1977 2017 1896 1897 top-third 12 64.9 63.7 1.2 106 23 1977 2017 1896 1897 top-third 1927,1935,1955,1957,2000 18 61.2 59.9 1.3 111 17 1978 2017 1897 1898 top-third 1934,1999 24 65.3 63.7 1.6 120 8 1978 2017 1897 1898 top-tenth 1933 36 64.5 63.7 0.8 103 24 1970,1978 2018 1898 1898 top-third 1911,1932,1936,1938,1946 48 -99 63.7 -99 -99 -99 1980 2019,2020 normal 60 -99 63.7 -99 -99 -99 1980,1981 2020 normal