Year,Value,Minnesota (State),Wind,Mar,(mph)
1940,7.898
1941,8.955
1942,9.083
1943,9.745
1944,9.148
1945,8.668
1946,9.171
1947,8.658
1948,9.114
1949,9.043
1950,9.667
1951,10.906
1952,8.377
1953,10.039
1954,9.924
1955,9.462
1956,9.383
1957,8.28
1958,6.925
1959,8.94
1960,8.274
1961,9.436
1962,8.854
1963,9.586
1964,9.17
1965,10.024
1966,10.018
1967,10.054
1968,9.578
1969,8.661
1970,8.04
1971,9.173
1972,9.102
1973,7.944
1974,8.828
1975,10.211
1976,10.057
1977,9.323
1978,7.744
1979,10.553
1980,8.205
1981,8.291
1982,10.312
1983,8.845
1984,8.233
1985,9.833
1986,9.274
1987,9.402
1988,9.729
1989,8.487
1990,9.176
1991,9.336
1992,7.559
1993,8.046
1994,8.748
1995,8.775
1996,9.212
1997,9.751
1998,8.23
1999,8.736
2000,8.333
2001,8.562
2002,9.102
2003,8.702
2004,9.629
2005,8.06
2006,8.427
2007,9.648
2008,8.586
2009,9.352
2010,7.859
2011,8.493
2012,9.314
2013,8.318
2014,9.318
2015,9.35
2016,7.927
2017,9.258
2018,8.341
2019,9.143
2020,8.961
2021,9.577
2022,9.516
2023,9.631
2024,9.409
2025,9.294