Meteorologist Mark Torregrossa writes on Michigan Live about the lingering effect of historic ice extent last winter in the Great Lakes and late ice melt this summer due to that extent:
Lakes Superior and Lake Michigan are currently six degrees colder than last year. If the water continues to remain colder than normal, it could have an impact on Michigan’s winter in several ways.
Currently Lake Superior has an average surface water temperature of 47.6 degrees. Last year on this date Lake Superior was at 53.7 degrees. The long-term average water temperature on Lake Superior for October 11 is 51.1 degrees.
So Lake Superior is 6.1 degrees colder than this time last year, and 3.5 degrees colder than normal.
Lake Michigan has an average surface water temperature…
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