Water Level Updates

December 2020 Water Level Update

The water levels on all the Great Lakes have finally dipped below their monthly records as of December 4, 2020. Lake Michigan is now 4 inches below the highest recorded monthly average in December previously set in 1986. Additionally, the basin is 4 inches below mean water levels from a year ago. From this point…
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November 2020 Water Level Update

The water levels on all the Great Lakes have finally dipped below their monthly records as of November 6, 2020. Lake Michigan is now 7 inches below the highest recorded monthly average in November previously set in 1986. Additionally, the basin is 3 inches below mean water levels from a year ago. From this point…
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October 2020 Water Level Update

The water levels on all the Great Lakes have finally dipped below their monthly records as of October 9, 2020. Lake Michigan is now 9 inches below the highest recorded monthly average in October previously set in 1986. Additionally, the basin is 1 inch below mean water levels from a year ago. From this point…
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September 2020 Water Level Update

The water levels on all the Great Lakes have finally dipped below their long-term monthly averages as of September 11, 2020. Lake Michigan declined 1 inch below the highest recorded monthly average in August previously set in 1986. Even with this decrease, Lake Michigan-Huron was still 3-4 inches above mean water levels from a year…
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August 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of August 2020. Lake Michigan surpassed its record-high monthly mean for July previously set in 1986. This is the seventh monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels remained about…
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July 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of July 2020. Lake Michigan surpassed its record-high monthly mean for June previously set in 1986. This is the sixth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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June 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of June 2020. Lake Michigan surpassed its record-high monthly mean for May previously set in 1986. This is the fifth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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May 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of May 2020. Lake Michigan surpassed its record-high monthly mean for April previously set in 1986. This is the fourth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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April 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of April 2020. Lake Michigan surpassed its record-high monthly mean for March previously set in 1986. This is the third monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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March 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of the beginning of March 2020. Lake Michigan surpassed its record-high monthly mean for February previously set in 1986. This is the second monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water…
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