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Lake Superior's December decline less than usual

Warmer, wetter weather slowed the usual winter drop.

010622.N.DNT.lakesuperior
Crew members aboard the U.S. Coast Guard’s Biscayne Bay toss ice overboard as they sail on Lake Superior toward the Superior Entry on Monday, Jan. 3, 2022. The level of Lake Superior dropped less than usual in December. Jed Carlson / File / Superior Telegram
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A warmer- and wetter-than-average December across much of the Lake Superior region slowed the big lake’s usual wintertime water level drop some.

The International Lake Superior Board of Control reported Wednesday that Lake Superior declined just 0.8 inches in December, less than the usual 3.2 inch drop.

Lake Superior sat 2.8 inches below the long-term average for Jan. 1 and 11 inches below the Jan. 1 level in 2021.

Meanwhile, Lake Michigan and Lake Huron dropped 2 inches, their average decline for December. The lakes now sit 13.4 inches above average and 17.7 inches below the Jan. 1 level in 2021.

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