Ice-Out
Lake Winnipesaukee is known for its annual Ice-Out Contest, in which people try to guess the earliest date that the Mount Washington can safely leave her port in Center Harbor and motor to four other ports (Weirs Beach, Alton Bay, Wolfeboro, and Meredith). Since records began in 1851, ice-out has happened as early as March 23 and as late as May 12, although 90 percent of the time it is declared during April. This official ruling is made by David Emerson of Emerson Aviation.
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