Year,Value,ValueRank
1940,1015.422,20
1941,1015.301,25
1942,1015.514,18
1943,1013.375,79
1944,1014.327,59
1945,1015.674,16
1946,1016.212,5
1947,1015.078,34
1948,1014.169,65
1949,1014.638,50
1950,1015.485,19
1951,1014.315,61
1952,1014.167,67
1953,1015.391,22
1954,1014.87,41
1955,1014.413,55
1956,1014.464,54
1957,1015.681,15
1958,1013.579,75
1959,1013.099,81
1960,1013.577,76
1961,1016.643,3
1962,1014.547,53
1963,1014.965,39
1964,1013.89,70
1965,1014.684,48
1966,1015.247,27
1967,1016.685,1
1968,1016.079,8
1969,1013.076,82
1970,1013.699,74
1971,1015.08,33
1972,1015.221,28
1973,1014.319,60
1974,1014.769,45
1975,1015.0,37
1976,1015.91,12
1977,1014.206,64
1978,1014.665,49
1979,1014.252,62
1980,1013.292,80
1981,1014.61,51
1982,1015.931,11
1983,1016.09,7
1984,1014.907,40
1985,1014.986,38
1986,1015.385,23
1987,1015.134,30
1988,1013.807,72
1989,1014.09,68
1990,1015.756,14
1991,1016.101,6
1992,1016.669,2
1993,1015.108,32
1994,1015.057,35
1995,1012.59,85
1996,1015.947,10
1997,1015.414,21
1998,1016.062,9
1999,1014.339,58
2000,1014.824,43
2001,1015.197,29
2002,1015.284,26
2003,1015.615,17
2004,1015.123,31
2005,1014.353,57
2006,1014.368,56
2007,1013.436,77
2008,1012.71,84
2009,1014.754,46
2010,1012.725,83
2011,1012.077,86
2012,1013.861,71
2013,1015.337,24
2014,1014.584,52
2015,1014.036,69
2016,1014.815,44
2017,1015.006,36
2018,1014.692,47
2019,1013.765,73
2020,1013.422,78
2021,1014.217,63
2022,1014.832,42
2023,1014.167,66
2024,1015.803,13
2025,1016.304,4

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

Average of all values: 1014.747

Normal Period: 1991 to 2020
Normal Value = 1014.576 hPa

Trend Begin Value = 1014.945 hPa
Trend End Value = 1014.55 hPa
Total Trend (Change) = -0.396 hPa
Total Trend (Change) per Decade = -0.046 hPa
Trend Statistical Sig. (M-K Test): No trend
Trend P-value (M-K Test): 0.3707