Year,Value,ValueRank 1940,22.601,53 1941,22.415,62 1942,22.321,68 1943,23.546,18 1944,23.026,35 1945,22.464,60 1946,22.214,73 1947,23.401,22 1948,22.645,47 1949,22.622,51 1950,21.502,85 1951,22.469,58 1952,23.0,37 1953,22.645,48 1954,22.589,54 1955,23.622,15 1956,22.41,64 1957,22.421,61 1958,23.339,26 1959,23.061,32 1960,22.619,52 1961,22.787,42 1962,22.723,45 1963,22.465,59 1964,21.771,80 1965,21.932,78 1966,21.893,79 1967,22.175,74 1968,21.583,83 1969,23.285,29 1970,23.361,25 1971,22.562,57 1972,22.289,69 1973,22.897,41 1974,21.569,84 1975,22.327,67 1976,21.757,81 1977,22.257,72 1978,22.406,65 1979,22.124,77 1980,22.996,38 1981,22.637,50 1982,22.588,55 1983,24.172,5 1984,23.073,31 1985,22.147,75 1986,22.286,70 1987,22.411,63 1988,23.427,21 1989,22.125,76 1990,22.706,46 1991,23.035,34 1992,21.342,86 1993,22.382,66 1994,22.907,40 1995,23.956,7 1996,22.742,43 1997,22.28,71 1998,23.525,20 1999,23.035,33 2000,23.71,14 2001,23.751,13 2002,23.01,36 2003,23.927,8 2004,21.595,82 2005,23.318,28 2006,23.39,24 2007,24.196,4 2008,22.925,39 2009,22.639,49 2010,23.925,9 2011,24.546,1 2012,23.879,10 2013,23.113,30 2014,22.584,56 2015,23.322,27 2016,23.53,19 2017,22.732,44 2018,23.606,16 2019,23.799,12 2020,24.401,2 2021,23.843,11 2022,24.1,6 2023,24.196,3 2024,23.584,17 2025,23.394,23 Variable: Temperature Domain: Contiguous U.S. (Lower 48) Month(s): Aug Average of all values: 22.882 Normal Period: 1991 to 2020 Normal Value = 23.237 Degrees C Trend Begin Value = 22.277 Degrees C Trend End Value = 23.487 Degrees C Total Trend (Change) = 1.21 Degrees C Total Trend (Change) per Decade = 0.141 Degrees C Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0