1901-2000 Degrees Fahrenheit 1 69.5 71.9 -2.4 13 117 1976 1896 1954 1959 bottom-tenth 1988 2 67.6 68.2 -0.6 40 90 1907 1896 1952 1959 bottom-third 1913,1969,1975 3 61.2 64.4 -3.2 5 125 1971 1908,2012 1931 1959 bottom-tenth 1926,2013 4 57.2 60.9 -3.7 1 129 1960 1927 1960 1959 lowest 5 54.9 58.1 -3.2 5 125 1940,1978 1927,2012,2017 1958 1959 bottom-tenth 1983 6 53.6 56.5 -2.9 4 125 1978 1927 1958 1959 bottom-tenth 2010 7 53.4 56.3 -2.9 4 125 1940,1977 2017 1940 1959 bottom-tenth 8 55.3 57.4 -2.1 10 119 1977 2017 1958 1959 bottom-tenth 1971 9 57.6 59.4 -1.8 12 117 1977 2017 1958 1959 bottom-tenth 1964 10 59.9 61.5 -1.6 11 118 1977 2017 1958 1959 bottom-tenth 1924,1964,1980,1984,1993 11 61.8 63.2 -1.4 13 116 1977 2017 1958 1959 bottom-tenth 1971,1980,1984,1993 12 63.1 64.5 -1.4 13 116 1977 2017 1958 1959 bottom-tenth 1904,1964,1971 18 60.5 61.8 -1.3 11 117 1977 2017 1959 1959 bottom-tenth 1959,1961,1964 24 63.6 64.5 -0.9 15 113 1969,1978 2017 1959 1958 bottom-third 1905,1976,1993,2014 36 63.4 64.5 -1.1 9 118 1970 2019 1960 1959 bottom-tenth 48 64.0 64.5 -0.5 24 102 1971 2020 1905 1959 bottom-third 1904,1905,1965,1986 60 64.0 64.5 -0.5 22 103 1971 2020 1960 1959 bottom-third 1967,1996,1997