Historic Crests
(1) 309.31 ft on 07/17/2010
(2) 308.10 ft on 10/19/1958
(3) 304.66 ft on 09/29/2010
(4) 304.43 ft on 09/07/2010
(5) 303.73 ft on 12/10/2008
(6) 301.20 ft on 08/20/2010
(7) 292.94 ft on 07/18/1954
(8) 279.27 ft on 06/30/1954
(9) 276.93 ft on 02/10/1990
(10) 252.11 ft on 06/16/1954
(11) 249.82 ft on 08/02/1996
(12) 249.80 ft on 05/01/1998
(13) 0.00 ft on 07/01/1971

(P): Preliminary values subject to further review.