Historic Crests
(1) 928.75 ft on 05/21/2015
(2) 924.46 ft on 03/01/2001
(3) 923.77 ft on 05/15/2010
(4) 923.53 ft on 03/16/1998
(5) 921.98 ft on 07/03/2007

(P): Preliminary values subject to further review.