Secchi Chart Multi-Year Composite

	1 13 15 14 14 15.5 14 14 14 15 15 2 17 17 16 13.5 18.5 16 16 16 18 18 3 21 23 19 21 20 21 20 20 20 20 4 23 24 28 22.5 22 22.5 22 22 18.5 21 5 24 24 21 24 23 23.5 25 23 17 22 6 13 12.5 11 13.5 17 16.5 15 13 14 16.5 7 11 11.5 11 13 14.5 12 15 11.5 13 15 8 12 13 11 14 12.5 12.5 15 12.5 13   9 16 13 14 12 15 15 15 14 14   10 16.5 15.5 16.5 15 17 15.5 15 15.5 15.5   11 16 16 16.5 15.5 16 16.5 16 15.5 16   12 11 12 11.5 11.5 12 11 11 11 11.5   Month 2002 2003 2004 2001 2005 2006 2007 2008 2009 2010