Year,Value,ValueRank 1940,5528.609,16 1941,5468.678,78 1942,5491.057,55 1943,5466.078,79 1944,5532.659,12 1945,5480.634,69 1946,5496.177,51 1947,5495.692,52 1948,5461.651,81 1949,5496.664,50 1950,5504.192,41 1951,5527.747,17 1952,5508.539,31 1953,5525.333,19 1954,5475.732,73 1955,5499.604,46 1956,5525.302,20 1957,5496.99,48 1958,5479.652,70 1959,5420.215,86 1960,5487.189,60 1961,5482.14,67 1962,5538.752,10 1963,5474.056,74 1964,5461.722,80 1965,5494.459,53 1966,5496.768,49 1967,5486.075,61 1968,5520.19,26 1969,5460.441,82 1970,5449.338,85 1971,5504.611,38 1972,5552.333,5 1973,5469.746,77 1974,5482.232,66 1975,5504.233,40 1976,5471.109,76 1977,5505.469,35 1978,5506.922,33 1979,5512.753,28 1980,5484.647,64 1981,5476.308,72 1982,5499.746,45 1983,5488.183,57 1984,5492.215,54 1985,5535.849,11 1986,5529.697,15 1987,5524.441,22 1988,5520.545,25 1989,5532.181,14 1990,5522.974,23 1991,5487.556,59 1992,5518.35,27 1993,5559.495,3 1994,5505.024,36 1995,5506.724,34 1996,5507.968,32 1997,5504.304,39 1998,5512.115,29 1999,5522.876,24 2000,5471.644,75 2001,5483.423,65 2002,5498.964,47 2003,5504.93,37 2004,5532.435,13 2005,5476.534,71 2006,5488.727,56 2007,5510.442,30 2008,5453.751,84 2009,5553.272,4 2010,5485.035,62 2011,5455.152,83 2012,5484.975,63 2013,5551.284,6 2014,5500.807,43 2015,5487.664,58 2016,5526.104,18 2017,5547.718,8 2018,5549.663,7 2019,5560.625,2 2020,5500.339,44 2021,5525.046,21 2022,5481.733,68 2023,5561.217,1 2024,5503.768,42 2025,5540.161,9 Variable: 500 hPa Height Domain: Alaska (State) Month(s): Jul Average of all values: 5502.423 Normal Period: 1991 to 2020 Normal Value = 5508.263 Meters Trend Begin Value = 5488.06 Meters Trend End Value = 5516.786 Meters Total Trend (Change) = 28.726 Meters Total Trend (Change) per Decade = 3.34 Meters Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.009