1991-2020 Degrees Fahrenheit 1 65.5 65.6 -0.1 49 26 1950 2011 1983 1980 normal 2 61.8 63.2 -1.4 29 46 1995 2016 1983 1981 normal 1999 3 59.4 59.5 -0.1 53 22 1983,1995 2012 1983 1958 top-third 4 54.0 55.3 -1.3 33 42 1983 2012 1983 1981 normal 1948,1959,1972 5 48.5 51.3 -2.8 18 57 1975,1983 2012 1983 1981 bottom-third 1952,1953 6 42.2 46.8 -4.6 2 73 1979 2017,2020 1979 1983 bottom-tenth 7 36.3 42.6 -6.3 1 74 1984 2018 1984 1983 lowest 8 33.4 39.5 -6.1 2 71 1979 2018 1979 1983 bottom-tenth 9 32.7 38.5 -5.8 3 70 1973 2018 1973 1983 bottom-tenth 10 33.7 39.1 -5.4 3 70 1973 2018 1973 1983 bottom-tenth 11 35.9 40.6 -4.7 3 70 1973,1992 2018 1973 1983 bottom-tenth 12 38.2 42.5 -4.3 4 69 1973 2018 1979 1983 bottom-tenth 18 40.1 43.9 -3.8 2 71 1965 2018 1965 1983 bottom-tenth 24 39.7 42.5 -2.8 8 63 1993 2018 1980 1983 bottom-third 1975 36 40.2 42.4 -2.2 10 59 1975 2018 1977 1983 bottom-third 1962 48 40.9 42.3 -1.4 31 36 1976 2019 1982 1983 normal 1960,1986,1990,1991 60 40.9 42.2 -1.3 27 38 1977 2020 1983 1983 normal 1954,1956,1961,1963,1983,1986,1991,1996