1901-2000 Degrees Fahrenheit 1 36.8 45.5 -8.7 5 125 1895 2018 1899 1901 bottom-tenth 1899 2 38.2 44.1 -5.9 10 120 1978 1950 1895 1901 bottom-tenth 3 38.4 44.1 -5.7 3 126 1978 1932 1902 1901 bottom-tenth 1977 4 40.2 45.9 -5.7 2 127 1977 1932 1902 1901 bottom-tenth 5 44.2 49.2 -5.0 2 127 1977 1932 1902 1901 bottom-tenth 6 48.6 53.3 -4.7 2 127 1977 1932 1902 1901 bottom-tenth 7 52.8 57.0 -4.2 2 127 1977 2017 1902 1901 bottom-tenth 8 56.5 59.9 -3.4 2 127 1977 2017 1902 1901 bottom-tenth 1968 9 58.9 61.7 -2.8 3 126 1977 2017 1902 1901 bottom-tenth 10 59.8 62.5 -2.7 4 125 1977 2017 1902 1901 bottom-tenth 11 59.5 62.4 -2.9 2 127 1977 2017 1902 1901 bottom-tenth 12 58.9 61.6 -2.7 2 127 1977 2017 1902 1901 bottom-tenth 18 57.2 58.9 -1.7 7 121 1977 2017 1902 1901 bottom-tenth 24 60.4 61.6 -1.2 8 120 1978 2017 1902 1901 bottom-tenth 2015 36 61.0 61.6 -0.6 22 105 1978,1979 2018 1902 1901 bottom-third 1905,1972,1995 48 60.9 61.6 -0.7 19 107 1980 2019,2020 1902 1901 bottom-third 1904,1973 60 61.3 61.6 -0.3 32 93 1980,1981 2020 1902 1901 bottom-third 1903,1974