Year,Value,ValueRank 1940,5742.287,28 1941,5732.234,65 1942,5723.485,83 1943,5722.587,85 1944,5736.963,45 1945,5730.745,67 1946,5730.329,69 1947,5736.501,47 1948,5735.031,57 1949,5734.317,59 1950,5727.063,80 1951,5733.122,61 1952,5735.699,51 1953,5735.682,52 1954,5724.605,82 1955,5728.17,78 1956,5728.077,79 1957,5737.165,44 1958,5737.675,41 1959,5733.107,62 1960,5735.458,55 1961,5728.758,75 1962,5732.42,63 1963,5732.263,64 1964,5729.88,71 1965,5730.475,68 1966,5735.821,49 1967,5729.994,70 1968,5736.065,48 1969,5737.565,43 1970,5736.619,46 1971,5721.159,86 1972,5735.271,56 1973,5735.573,54 1974,5725.79,81 1975,5722.879,84 1976,5729.342,74 1977,5729.48,73 1978,5729.489,72 1979,5747.153,17 1980,5740.373,31 1981,5737.62,42 1982,5735.76,50 1983,5746.246,18 1984,5728.217,77 1985,5728.463,76 1986,5739.387,35 1987,5745.406,20 1988,5743.108,25 1989,5740.187,32 1990,5741.845,29 1991,5744.591,21 1992,5739.216,36 1993,5741.033,30 1994,5737.775,40 1995,5738.651,38 1996,5744.296,22 1997,5745.573,19 1998,5750.863,9 1999,5733.194,60 2000,5730.862,66 2001,5735.671,53 2002,5747.379,16 2003,5742.296,27 2004,5734.479,58 2005,5744.235,23 2006,5748.321,13 2007,5742.801,26 2008,5738.943,37 2009,5743.827,24 2010,5751.429,8 2011,5740.038,34 2012,5738.006,39 2013,5740.061,33 2014,5750.219,11 2015,5752.341,6 2016,5750.55,10 2017,5756.194,4 2018,5747.883,14 2019,5751.839,7 2020,5747.614,15 2021,5753.49,5 2022,5749.072,12 2023,5763.706,1 2024,5763.214,2 2025,5758.297,3 Variable: 500 hPa Height Domain: User Defined Line Month(s): Jul Average of all values: 5738.498 Normal Period: 1991 to 2020 Normal Value = 5743.673 Meters Trend Begin Value = 5727.139 Meters Trend End Value = 5749.858 Meters Total Trend (Change) = 22.719 Meters Total Trend (Change) per Decade = 2.642 Meters Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0