Year,Value,ValueRank
1940,1014.783,10
1941,1014.723,14
1942,1015.248,3
1943,1014.414,31
1944,1014.042,53
1945,1014.845,7
1946,1016.35,1
1947,1014.399,36
1948,1013.433,73
1949,1013.94,56
1950,1014.502,25
1951,1013.789,67
1952,1014.14,48
1953,1014.641,19
1954,1013.889,62
1955,1014.029,54
1956,1014.473,28
1957,1013.95,55
1958,1013.367,77
1959,1013.418,74
1960,1013.506,72
1961,1015.081,5
1962,1014.412,32
1963,1013.527,71
1964,1013.852,64
1965,1014.655,18
1966,1014.675,16
1967,1015.354,2
1968,1015.213,4
1969,1012.737,85
1970,1014.185,43
1971,1014.373,38
1972,1014.407,33
1973,1013.884,63
1974,1013.632,69
1975,1013.902,61
1976,1014.404,34
1977,1014.158,46
1978,1014.173,45
1979,1014.61,21
1980,1013.798,66
1981,1013.93,58
1982,1014.543,24
1983,1014.741,12
1984,1014.556,22
1985,1014.632,20
1986,1014.663,17
1987,1014.492,27
1988,1014.712,15
1989,1014.779,11
1990,1014.827,8
1991,1015.011,6
1992,1014.133,49
1993,1013.737,68
1994,1013.935,57
1995,1013.118,81
1996,1014.725,13
1997,1013.911,59
1998,1014.051,51
1999,1014.206,41
2000,1014.432,29
2001,1014.429,30
2002,1014.496,26
2003,1014.174,44
2004,1014.55,23
2005,1013.269,79
2006,1014.404,35
2007,1013.349,78
2008,1012.892,84
2009,1013.394,75
2010,1012.966,83
2011,1012.033,86
2012,1013.1,82
2013,1014.38,37
2014,1013.908,60
2015,1013.603,70
2016,1014.265,40
2017,1014.048,52
2018,1014.311,39
2019,1013.83,65
2020,1013.394,76
2021,1014.149,47
2022,1014.082,50
2023,1013.171,80
2024,1014.198,42
2025,1014.813,9

Variable: Sea Level Pressure
Domain: Contiguous U.S. (Lower 48)
Month(s): Jun-Aug

Average of all values: 1014.154

Normal Period: 1991 to 2020
Normal Value = 1013.868 hPa

Trend Begin Value = 1014.491 hPa
Trend End Value = 1013.818 hPa
Total Trend (Change) = -0.673 hPa
Total Trend (Change) per Decade = -0.078 hPa
Trend Statistical Sig. (M-K Test): Decreasing
Trend P-value (M-K Test): 0.022