Lake Superior gains astounding 6 trillion gallons in same time Lakes Michigan, Huron lose 7 trillion
By: Mark Torregrossa, Mlive
Lake Superior’s water level has moved dramatically in the opposite direction from the other four Great Lakes.
The Great Lakes are in the normal seasonal decline. As the air turns colder, precipitation amounts are lower. At the same time, the big temperature difference between near the water surface and higher altitudes creates more evaporation. Lake Superior water levels and the rest of the Great Lakes usually decline from November to December.
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