Colorado State University researchers William Gray and Phil Klotzbach chose 1958, 1966, 1969, 1998 and 2005 as the years that shared the most similarities with 2010.
linkColorado State University researchers William Gray and Phil Klotzbach chose 1958, 1966, 1969, 1998 and 2005 as the years that shared the most similarities with 2010.
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