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) 455.06 ft on 05/07/2019
(6) 454.89 ft on 05/22/2020 (P)
(7) 454.60 ft on 12/09/1982
(8) 454.55 ft on 06/30/2015
(9) 454.30 ft on 09/19/2008
(10) 454.20 ft on 03/03/1997
(11) 454.16 ft on 06/02/2019
(12) 454.13 ft on 01/03/2016
(13) 452.02 ft on 02/28/2018
(14) 450.66 ft on 05/05/2017
(15) 447.54 ft on 06/24/2019
(16) 447.28 ft on 10/03/2019 (P)
(17) 447.19 ft on 11/04/2019 (P)
(18) 447.15 ft on 07/04/2021 (P)
(19) 446.48 ft on 02/27/2019
(20) 446.32 ft on 03/18/2019
(21) 446.22 ft on 01/19/2020 (P)
(22) 445.16 ft on 06/27/2018
(23) 445.15 ft on 04/04/2019
(24) 444.62 ft on 04/19/2019

(P): Preliminary values subject to further review.