1991-2020 Degrees Fahrenheit 1 22.9 33.5 -10.6 1 107 1985 2001 1985 1984 lowest 2 34.4 40.6 -6.2 4 104 1959 1963 1976 1984 bottom-tenth 3 42.5 47.4 -4.9 5 102 1911,1959 1931 1976 1984 bottom-tenth 4 48.1 52.5 -4.4 1 105 1985 2016 1985 1984 lowest 5 52.6 56.1 -3.5 2 104 1992 1931 1985 1984 bottom-tenth 6 54.2 58.0 -3.8 1 105 1985 1931 1985 1984 lowest 7 55.1 57.9 -2.8 7 99 1967 1931 1967 1984 bottom-tenth 8 54.5 56.3 -1.8 11 95 1996 1931 1972 1984 bottom-tenth 1966 9 52.4 53.5 -1.1 31 75 1951,1996 2012 1984 1983 bottom-third 1974,1995 10 48.6 50.0 -1.4 27 79 1917 2012 1982 1984 bottom-third 1958,1960,1975 11 45.1 46.8 -1.7 26 79 1917 2012 1982 1984 bottom-third 1940,1956 12 43.0 44.6 -1.6 30 75 1917 2012 1984 1983 bottom-third 1937,1966,1970 18 47.7 49.1 -1.4 25 78 1951 2012 1984 1983 bottom-third 1920,1968,2019 24 42.5 44.6 -2.1 9 93 1951 2017 1979 1984 bottom-tenth 1967,1994 36 43.4 44.6 -1.2 28 72 1952 2017 1984 1983 bottom-third 1959,1961,1962,1973,1978 48 42.9 44.6 -1.7 14 84 1918 1934 1980 1984 bottom-third 1919,1980 60 43.4 44.6 -1.2 27 69 1969,1997 1934 1982 1984 bottom-third 1917,1960,1963,1981,1995