Historic Crests
(1) 710.44 ft on 12/25/1991
(2) 707.38 ft on 05/18/1957
(3) 705.11 ft on 07/07/1997
(4) 704.68 ft on 02/10/1992
(5) 704.39 ft on 10/20/2018
(6) 701.50 ft on 07/06/2007
(7) 696.70 ft on 11/24/2004
(8) 693.50 ft on 07/07/2002
(9) 693.48 ft on 10/14/1987
(10) 692.69 ft on 06/07/2016
(11) 692.58 ft on 10/07/1959
(12) 692.42 ft on 04/18/1977
(13) 688.13 ft on 03/20/1998
(14) 687.29 ft on 02/22/1997

(P): Preliminary values subject to further review.