Historic Crests
(1) 774.47 ft on 05/01/2011
(2) 773.55 ft on 04/21/2008
(3) 773.53 ft on 06/30/2006
(4) 773.29 ft on 05/04/1983
(5) 772.11 ft on 05/22/1990
(6) 771.26 ft on 04/26/1993
(7) 770.52 ft on 05/14/1989
(8) 770.32 ft on 05/14/1996
(9) 770.17 ft on 05/06/1997
(10) 769.81 ft on 05/06/1992
(11) 769.15 ft on 05/02/1994
(12) 767.34 ft on 05/11/1991
(13) 761.57 ft on 06/13/1995

(P): Preliminary values subject to further review.