Historic Crests
(1) 440.70 ft on 06/18/2015
(2) 434.68 ft on 03/19/2001
(3) 434.54 ft on 05/23/1990
(4) 434.49 ft on 01/16/1998
(5) 433.98 ft on 04/10/2007
(6) 433.76 ft on 11/02/2009

(P): Preliminary values subject to further review.