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Big South Fork National River and Recreation Area Climate
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The Big South Fork National River and Recreation Area is located in a humid climatic region, typified by mild winters and moist warm to hot summers. Storm systems typically bring heavy rains from December through March which may cause flooding. Summer thunderstorms are common. Winter snowfall occurs intermittently in the area and averages 17 inches per year. Wear comfortable clothing for the season and bring clothing for the possible extremes.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.