Recent Crests
(1) 531.21 ft on 12/31/2015
(2) 531.94 ft on 12/26/2015
(3) 530.53 ft on 02/06/2010
(4) 530.51 ft on 12/26/2009
(5) 530.65 ft on 11/12/2009
(6) 534.40 ft on 07/06/1994

(P): Preliminary values subject to further review.