Historic Crests
(1) 1,290.36 ft on 08/06/1976
(2) 1,290.30 ft on 06/03/1945
(3) 1,290.30 ft on 07/17/1942
(4) 1,289.71 ft on 07/12/2013
(5) 1,289.67 ft on 07/09/2017
(6) 1,289.62 ft on 07/13/2015
(7) 1,289.60 ft on 07/08/2018
(8) 1,289.57 ft on 07/13/2014
(9) 1,288.44 ft on 06/21/2016

(P): Preliminary values subject to further review.