Historic Crests
(1) 1,681.57 ft on 04/16/2002
(2) 1,680.15 ft on 04/29/2011
(3) 1,680.08 ft on 05/20/1969
(4) 1,680.01 ft on 05/27/2004
(5) 1,679.51 ft on 04/28/1993
(6) 1,679.48 ft on 04/28/1996
(7) 1,679.15 ft on 01/08/1985
(8) 1,678.99 ft on 05/09/1994
(9) 1,678.89 ft on 05/07/1997
(10) 1,678.69 ft on 05/18/2002
(11) 1,678.64 ft on 04/26/1992
(12) 1,678.37 ft on 04/17/1991
(13) 1,676.91 ft on 05/11/1995

(P): Preliminary values subject to further review.