1991-2020 Degrees Fahrenheit 1 53.1 54.0 -0.9 38 38 1975 2017 1962 1960 normal 2 48.9 48.7 0.2 47 27 1984 2012 1962 1955 normal 1954,1968 3 41.9 44.3 -2.4 17 57 1978 2012 1958 1962 bottom-third 1964,1984 4 38.7 41.6 -2.9 15 59 1978 1998 1961 1962 bottom-third 5 37.1 40.9 -3.8 5 68 1978 2002 1961 1962 bottom-tenth 6 38.1 41.9 -3.8 3 69 1978 2002 1961 1962 bottom-tenth 1961 7 40.8 44.1 -3.3 5 67 1978 2002 1961 1962 bottom-tenth 1982 8 43.7 47.2 -3.5 4 68 1978 2002,2012,2016,2017 1963 1962 bottom-tenth 9 47.0 50.4 -3.4 4 68 1977 2017 1963 1962 bottom-tenth 10 49.6 53.1 -3.5 1 71 1963,1977 2017 1963 1962 lowest 1977 11 51.7 54.9 -3.2 1 71 1963,1978 2017 1963 1962 lowest 1978 12 52.8 55.6 -2.8 3 69 1968 2012 1963 1962 bottom-tenth 1970,1978 18 48.5 51.0 -2.5 6 62 1978 2017 1963 1962 bottom-tenth 24 53.6 55.5 -1.9 7 61 1978 2017 1963 1962 bottom-tenth 1965 36 53.4 55.5 -2.1 4 60 1979 2022 1963 1962 bottom-tenth 48 54.0 55.5 -1.5 13 47 1970 2022 1963 1962 bottom-third 1982 60 53.8 55.4 -1.6 10 47 1965,1968,1970 2020 1963 1962 bottom-third 1972,1979