Secchi Chart Multi-Year Composite

	3	21	23	19	21	20	21	20	20
	4	23	24	28	22.5	22	22.5	22	22
	5	24	24	21	24	23	23.5	25	23
	6	13	12.5	11	13.5	17	16.5	15	13
	7	11	11.5	11	13	14.5	12	15	11.5
	8	12	13	11	14	12.5	12.5	15	12.5
	9	16	13	14	12	15	15	15	14
	10	16.5	15.5	16.5	15	17	15.5	15	15.5
	11	16	16	16.5	15.5	16	16.5	16
	12	11	12	11.7	11.5	12	11	11
	Month	2002	2003	2004	2001	2005	2006	2007	2008