Historic Crests
(1) 456.57 ft on 04/24/2013
(2) 455.90 ft on 05/24/1943
(3) 455.80 ft on 03/23/1979
(4) 455.60 ft on 03/08/1985
(5) 455.04 ft on 05/07/2019 (P)
(6) 454.60 ft on 12/09/1982
(7) 454.55 ft on 06/30/2015
(8) 454.30 ft on 09/19/2008
(9) 454.20 ft on 03/03/1997
(10) 454.13 ft on 01/03/2016
(11) 452.02 ft on 02/28/2018
(12) 450.66 ft on 05/05/2017
(13) 446.48 ft on 02/27/2019 (P)
(14) 446.32 ft on 03/18/2019 (P)
(15) 445.16 ft on 06/27/2018
(16) 445.15 ft on 04/04/2019 (P)
(17) 444.62 ft on 04/19/2019 (P)

(P): Preliminary values subject to further review.