1925-2000 Degrees Fahrenheit 1 53.4 52.7 0.7 63 36 1959 2019 1976 1977 normal 1940,1947,1958,1985,2002,2022 2 50.2 51.0 -0.8 25 74 1949 2004 1975 1977 bottom-third 1925 3 46.6 46.6 0.0 45 54 1949 2004 1976 1977 normal 4 41.6 40.8 0.8 58 41 1949 2016 1977 1969 normal 1941,1967 5 36.0 34.8 1.2 67 32 1972 2019 1977 1969 top-third 1953,2000 6 31.7 29.8 1.9 74 25 1972 2019 1977 1958 top-third 1957,2002,2010 7 29.0 25.8 3.2 84 15 1971 2016 1977 1942 top-third 2001 8 25.4 23.1 2.3 79 19 1971 2016 1977 1942 top-third 9 23.0 21.8 1.2 61 37 1971,1972 2016 1976 1977 normal 10 23.3 22.2 1.1 63 35 1971 2016,2019 1976 1977 normal 1963,2007,2011 11 25.1 23.8 1.3 64 34 1971 2019 1976 1977 normal 1935,1953,2011 12 27.5 26.0 1.5 70 28 1971 2019 1976 1977 top-third 1993 18 28.3 27.2 1.1 63 35 1972 2019 1977 1970 normal 2007 24 27.9 26.0 1.9 80 17 1972 2019 1977 1942 top-third 1980 36 26.4 26.0 0.4 46 50 1973 2016 1977 1970 normal 1970 48 25.8 25.9 -0.1 30 65 1974 2019 1977 1970 bottom-third 1937 60 25.4 25.9 -0.5 26 68 1975 2019 1977 1971 bottom-third 1937,1971