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Snowmelt, rain push up Superior

June 2, 2013
By JOHN PEPIN - Journal Staff Writer ( , The Mining Journal

MARQUETTE - Water supplies to Lake Superior over the last month were well above average, boosting the May lake level increase by the second-highest measure in nearly a century.

The U.S. Army Corps of Engineers in Detroit said the Lake Superior level climbed 9 inches in May, which was 5 inches higher for May than average.

"The 9-inch rise in May is the second highest since 1918, a result of snowmelt and above average precipitation received in the Superior Basin during the past month," Corps officials said in a briefing on Great Lakes levels.

Article Photos

The high water, shown on the Carp River south of Marquette in late April, helped push the rate of increase in the level of Lake Superior up to its second highest monthly increase in almost a century. The lake rose by 9 inches, which was 5 inches above average. (Journal photo by John Pepin)

Lake Superior is currently about 7 inches below its long-term average beginning of June level and is 3 inches above the level recorded a year ago. The lake is expected to continue to rise this month.

The level of lakes Huron and Michigan rose 5 inches in May, which was 2 inches above average. The levels of those two lakes are now 20 inches below their long-term average beginning of June level and 2 inches lower than a year ago.

Lake Michigan and Lake Huron are both expected to continue to rise throughout the month, the Corps said.

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John Pepin can be reached at 906-228-2500, ext. 206. His email address is



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