May 2023
May 28 Water Levels Report
Lake Michigan-Huron continues to be below the level it was at this time last year – see first graph below. -
From a month ago the water levels on Lakes Superior, Michigan-Huron, St Clair, Erie & Ontario are up 6, 4, 3, 0 & 6 inches, respectively. Lakes Michigan-Huron, St Clair, & Erie are lower by 3, 1 & 1 inches, respectively, and Lakes Superior & Ontario are up 7 & 8 inches, respectively, than they were at this time last year. Lakes Superior, Michigan-Huron, St Clair, Erie & Ontario are 13, 7, 13, 13 & 13 inches, respectively, above their long term May average. All the lakes remain well below their May record highs, except for Superior which is only 3 inches below. -
In a month’s time Lakes Superior, Michi
