Historic Crests
(1) 923.20 ft on 09/24/2010
(2) 922.80 ft on 07/22/1951
(3) 921.78 ft on 06/29/2019
(4) 920.90 ft on 03/29/1962
(5) 920.70 ft on 03/02/1965
(6) 920.20 ft on 04/07/1965
(7) 920.20 ft on 07/07/1978
(8) 920.00 ft on 09/16/2004
(9) 919.36 ft on 07/07/2019
(10) 919.35 ft on 08/20/2007
(11) 919.20 ft on 09/23/2016
(12) 919.12 ft on 03/16/2019
(13) 919.10 ft on 04/13/2001
(14) 918.70 ft on 06/10/2004
(15) 918.39 ft on 03/31/2013

(P): Preliminary values subject to further review.