Historic Crests
(1) 842.77 ft on 04/03/2005
(2) 841.95 ft on 08/28/2011
(3) 841.66 ft on 04/16/2007
(4) 841.49 ft on 04/05/1987
(5) 841.18 ft on 09/08/2011
(6) 840.35 ft on 09/19/2004
(7) 839.84 ft on 05/06/1997
(8) 839.83 ft on 05/13/1991
(9) 839.78 ft on 05/01/1996
(10) 839.78 ft on 04/18/1993
(11) 839.57 ft on 05/17/1994
(12) 839.53 ft on 06/07/1992
(13) 839.45 ft on 04/24/1995

(P): Preliminary values subject to further review.