Screenshot from http://www.dairiki.org/tides/daily.php/sea/2009-01-04
Showing posts with label tides. Show all posts
Showing posts with label tides. Show all posts
Sunday, January 04, 2009
Why are there two tides every day?
Screenshot from http://www.dairiki.org/tides/daily.php/sea/2009-01-04
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