Historic Crests
(1) 1,077.15 ft on 04/14/1964
(2) 1,076.20 ft on 04/05/1977
(3) 1,076.16 ft on 02/24/2019
(4) 1,075.99 ft on 04/15/1979
(5) 1,075.75 ft on 04/01/1976
(6) 1,075.19 ft on 03/19/1990
(7) 1,074.57 ft on 02/03/1996
(8) 1,073.91 ft on 05/02/1963
(9) 1,073.79 ft on 05/07/2003
(10) 1,073.58 ft on 08/18/1994
(11) 1,073.58 ft on 09/19/2004

(P): Preliminary values subject to further review.