1991-2020 Degrees Fahrenheit 1 89.2 91.2 -2.0 38 48 1965 2021 1992 1990 normal 2 86.0 86.5 -0.5 55 30 1965 2006,2021,2022 1992 1990 normal 1988,1994 3 81.7 81.9 -0.2 58 26 1965 2021 1991 1992 top-third 1966 4 77.6 77.9 -0.3 59 25 1965 2017 1992 1990 top-third 1959,1972,1994,2008 5 73.5 74.3 -0.8 53 31 1965 2017 1991 1992 normal 1954,1994 6 70.7 71.3 -0.6 58 25 1944 2014 1991 1992 top-third 1984,2001 7 68.1 69.0 -0.9 49 34 1944 2018 1991 1992 normal 1999 8 67.1 68.5 -1.4 42 40 1944,1965 2018 1991 1992 normal 1961,1988,2010 9 68.4 69.5 -1.1 49 32 1944 2018 1991 1992 normal 1987 10 70.5 71.4 -0.9 51 30 1942 2018 1991 1992 normal 11 72.3 73.4 -1.1 48 33 1942 2018 1991 1992 normal 1963,2001,2010 12 73.9 75.2 -1.3 44 37 1942 2021 1991 1992 normal 18 72.9 73.9 -1.0 49 30 1965 2018 1992 1992 normal 1981,1992 24 74.3 75.2 -0.9 49 28 1942,1965 2018 1992 1990 normal 36 73.9 75.2 -1.3 42 33 1944 2018,2022 1988 1992 normal 48 74.1 75.2 -1.1 41 32 1944 2018 1988 1992 normal 60 74.4 75.1 -0.7 43 28 1975 2018 1992 1992 normal 1992