Year,Value,ValueRank
1940,22.001,55
1941,22.297,37
1942,21.851,63
1943,23.044,3
1944,22.349,35
1945,21.828,64
1946,22.13,49
1947,22.633,18
1948,22.757,14
1949,22.728,15
1950,22.565,20
1951,22.323,36
1952,22.777,12
1953,22.771,13
1954,22.721,17
1955,22.958,7
1956,22.985,5
1957,22.782,11
1958,22.837,9
1959,22.143,48
1960,22.29,38
1961,21.954,59
1962,23.338,1
1963,22.154,46
1964,22.072,52
1965,22.181,43
1966,21.809,66
1967,22.425,30
1968,21.826,65
1969,23.013,4
1970,22.845,8
1971,22.474,29
1972,21.884,62
1973,22.594,19
1974,21.61,75
1975,22.286,39
1976,22.414,31
1977,21.101,85
1978,22.146,47
1979,21.624,73
1980,21.971,58
1981,21.637,72
1982,21.331,83
1983,21.909,61
1984,21.745,69
1985,21.605,76
1986,21.504,81
1987,21.745,68
1988,22.094,51
1989,21.546,78
1990,21.925,60
1991,21.651,71
1992,21.255,84
1993,21.513,80
1994,21.989,56
1995,22.352,34
1996,22.112,50
1997,21.492,82
1998,22.505,26
1999,22.509,24
2000,22.727,16
2001,22.488,28
2002,22.532,22
2003,22.158,45
2004,21.548,77
2005,22.06,53
2006,22.213,41
2007,22.505,25
2008,21.985,57
2009,22.216,40
2010,22.536,21
2011,23.169,2
2012,22.811,10
2013,22.005,54
2014,21.522,79
2015,22.499,27
2016,21.716,70
2017,21.621,74
2018,22.186,42
2019,22.366,33
2020,22.982,6
2021,22.167,44
2022,21.791,67
2023,22.372,32
2024,22.52,23

Variable: Solar Energy
Domain: Contiguous U.S. (Lower 48)
Month(s): Aug

Average of all values: 22.207

Normal Period: 1991 to 2020
Normal Value = 22.174 Megajoules per sq m

Trend Begin Value = 22.373 Megajoules per sq m
Trend End Value = 22.042 Megajoules per sq m
Total Trend (Change) = -0.331 Megajoules per sq m
Total Trend (Change) per Decade = -0.039 Megajoules per sq m
Trend Statistical Sig. (M-K Test): No trend
Trend P-value (M-K Test): 0.1135