Lake Superior,
 Monthly Mean WindSpeed (m/s over lake surface),
 ,Mean
Year,Annual
1948,6.53
1949,6.44
1950,6.3
1951,6.32
1952,6.01
1953,6.22
1954,6.01
1955,6.32
1956,6.49
1957,6.12
1958,6
1959,5.98
1960,5.93
1961,5.87
1962,5.76
1963,5.55
1964,6.03
1965,5.78
1966,6.18
1967,6.08
1968,6.01
1969,5.58
1970,5.54
1971,5.37
1972,5.37
1973,5.49
1974,5.57
1975,5.37
1976,5.57
1977,6.28
1978,6.25
1979,5.94
1980,6.08
1981,5.87
1982,5.49
1983,5.85
1984,5.84
1985,6
1986,5.88
1987,5.77
1988,6.15
1989,6.05
1990,6.1
1991,5.99
1992,5.68
1993,5.79
1994,5.55
1995,6.31
1996,5.96
1997,5.6
1998,5.93
1999,6.37
2000,6.18
2001,6.31
2002,6.44
2003,5.87
2004,5.9
2005,5.78
2006,5.75
2007,7.09
2008,6.79
2009,6.36
2010,6.04
2011,6.9