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A perigean spring tide is when the Moon is closest to the Earth during the spring tide.
Spring 2010 is March 20th.
Spring Tides Are Extreme Tides And Neap Tides Are Weaker Tides.
it makes spring tides. the way i remenber that is springs go high and and spring tides are higher than neap tides.
Spring Break for 2010 is March 15-20 http://www.universityparent.com/purdue/campus-guide/academic-calendar-2009-2010