Year,Value,ValueRank 1940,13.623,13 1941,11.173,82 1942,11.793,70 1943,12.2,63 1944,12.621,38 1945,11.912,69 1946,12.3,56 1947,12.132,67 1948,12.939,25 1949,12.496,45 1950,12.361,55 1951,12.411,54 1952,12.449,50 1953,12.683,36 1954,12.812,30 1955,12.241,61 1956,11.503,79 1957,12.731,33 1958,12.444,51 1959,12.139,66 1960,12.54,40 1961,11.538,78 1962,12.044,68 1963,12.429,52 1964,11.702,75 1965,10.765,85 1966,12.821,28 1967,12.536,42 1968,12.512,44 1969,12.166,64 1970,11.723,74 1971,12.256,60 1972,10.834,84 1973,12.489,47 1974,11.14,83 1975,11.782,72 1976,12.418,53 1977,12.711,35 1978,12.163,65 1979,12.719,34 1980,11.784,71 1981,12.493,46 1982,12.288,57 1983,12.536,41 1984,11.245,80 1985,11.776,73 1986,11.63,76 1987,13.072,21 1988,12.451,49 1989,12.526,43 1990,12.84,27 1991,12.277,58 1992,11.175,81 1993,11.551,77 1994,12.968,23 1995,12.797,31 1996,12.258,59 1997,13.307,18 1998,14.145,4 1999,12.813,29 2000,12.232,62 2001,13.389,17 2002,13.415,16 2003,12.95,24 2004,12.559,39 2005,13.536,14 2006,13.054,22 2007,12.842,26 2008,12.652,37 2009,13.93,7 2010,13.257,19 2011,13.872,9 2012,13.902,8 2013,13.463,15 2014,12.75,32 2015,13.832,10 2016,13.657,12 2017,13.706,11 2018,12.453,48 2019,14.109,5 2020,13.189,20 2021,13.963,6 2022,14.339,3 2023,14.794,2 2024,15.091,1 Variable: Temperature Domain: North America Month(s): Sep Average of all values: 12.625 Normal Period: 1991 to 2020 Normal Value = 13.068 Degrees C Trend Begin Value = 11.76 Degrees C Trend End Value = 13.49 Degrees C Total Trend (Change) = 1.73 Degrees C Total Trend (Change) per Decade = 0.204 Degrees C Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0