Year,Value,ValueRank 1940,52.717,78 1941,52.893,66 1942,52.652,82 1943,52.573,85 1944,52.944,64 1945,52.861,70 1946,52.684,80 1947,53.129,51 1948,52.918,65 1949,52.731,74 1950,52.883,68 1951,53.033,55 1952,52.996,58 1953,53.153,50 1954,52.687,79 1955,52.729,75 1956,52.551,86 1957,53.108,53 1958,52.953,62 1959,52.992,59 1960,52.953,63 1961,52.983,61 1962,52.745,73 1963,52.988,60 1964,52.664,81 1965,52.578,84 1966,52.883,69 1967,52.889,67 1968,52.721,77 1969,53.004,57 1970,53.022,56 1971,52.728,76 1972,53.227,47 1973,53.222,48 1974,52.635,83 1975,52.774,71 1976,52.748,72 1977,53.331,42 1978,53.043,54 1979,53.304,44 1980,53.534,34 1981,53.549,33 1982,53.278,45 1983,53.554,32 1984,53.193,49 1985,53.117,52 1986,53.245,46 1987,53.634,28 1988,53.624,30 1989,53.341,41 1990,53.643,26 1991,54.04,11 1992,53.355,40 1993,53.419,37 1994,53.435,36 1995,53.669,23 1996,53.41,38 1997,53.761,22 1998,54.131,7 1999,53.324,43 2000,53.458,35 2001,53.633,29 2002,53.858,18 2003,53.619,31 2004,53.636,27 2005,53.988,13 2006,53.789,21 2007,53.655,24 2008,53.395,39 2009,53.654,25 2010,53.91,16 2011,53.813,19 2012,53.908,17 2013,53.912,15 2014,53.806,20 2015,54.004,12 2016,54.257,6 2017,54.085,8 2018,54.06,9 2019,54.369,4 2020,54.273,5 2021,53.936,14 2022,54.052,10 2023,54.528,2 2024,54.73,1 2025,54.471,3 Variable: Wet Bulb Temperature Domain: Global Month(s): Jun Average of all values: 53.357 Normal Period: 1991 to 2020 Normal Value = 53.788 Degrees F Trend Begin Value = 52.549 Degrees F Trend End Value = 54.165 Degrees F Total Trend (Change) = 1.616 Degrees F Total Trend (Change) per Decade = 0.188 Degrees F Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0