Ice Cover in the Great Lakes

Ice Cover in the Great Lakes

Bars show decade averages of annual maximum Great Lakes ice coverage from the winter of 1962-1963, when reliable coverage of the entire Great Lakes began, to the winter of 2012-2013. Bar labels indicate the end year of the winter; for example, 1963-1972 indicates the winter of 1962-1963 through the winter of 1971-1972. The most recent period includes the eleven years from 2003 to 2013. (Data updated from Bai and Wang, 2012334caaf0-faab-4f7f-8086-c1b216a3b371).

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Free to use with credit to the original figure source.