Year,Value,ValueRank 1940,56.522,14 1941,52.112,83 1942,53.228,71 1943,53.961,64 1944,54.717,39 1945,53.441,70 1946,54.141,57 1947,53.837,68 1948,55.291,26 1949,54.492,46 1950,54.249,56 1951,54.34,55 1952,54.409,51 1953,54.83,37 1954,55.062,31 1955,54.033,62 1956,52.706,80 1957,54.916,34 1958,54.4,52 1959,53.851,67 1960,54.573,41 1961,52.768,79 1962,53.68,69 1963,54.372,53 1964,53.064,76 1965,51.377,86 1966,55.077,29 1967,54.565,43 1968,54.522,45 1969,53.899,65 1970,53.101,75 1971,54.061,61 1972,51.5,85 1973,54.48,48 1974,52.053,84 1975,53.208,73 1976,54.352,54 1977,54.88,36 1978,53.894,66 1979,54.894,35 1980,53.212,72 1981,54.487,47 1982,54.118,58 1983,54.565,42 1984,52.242,81 1985,53.198,74 1986,52.934,77 1987,55.529,22 1988,54.412,50 1989,54.547,44 1990,55.113,28 1991,54.098,59 1992,52.115,82 1993,52.791,78 1994,55.343,24 1995,55.034,32 1996,54.065,60 1997,55.953,19 1998,57.462,5 1999,55.063,30 2000,54.018,63 2001,56.101,18 2002,56.147,17 2003,55.31,25 2004,54.607,40 2005,56.364,15 2006,55.497,23 2007,55.115,27 2008,54.774,38 2009,57.074,8 2010,55.862,20 2011,56.969,10 2012,57.023,9 2013,56.233,16 2014,54.95,33 2015,56.897,11 2016,56.583,13 2017,56.67,12 2018,54.415,49 2019,57.396,6 2020,55.74,21 2021,57.134,7 2022,57.81,4 2023,58.628,2 2024,59.165,1 2025,58.317,3 Variable: Temperature Domain: North America Month(s): Sep Average of all values: 54.767 Normal Period: 1991 to 2020 Normal Value = 55.522 Degrees F Trend Begin Value = 53.123 Degrees F Trend End Value = 56.411 Degrees F Total Trend (Change) = 3.288 Degrees F Total Trend (Change) per Decade = 0.382 Degrees F Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0