Historic Crests
(1) 553.76 ft on 08/19/2021 (P)
(2) 553.25 ft on 05/24/2004
(3) 553.00 ft on 11/01/2019
(4) 552.90 ft on 04/28/2011
(5) 552.80 ft on 06/22/1972
(6) 552.80 ft on 04/17/1994
(7) 552.80 ft on 01/09/1998
(8) 552.60 ft on 04/07/2017
(9) 552.45 ft on 04/05/2017
(10) 552.30 ft on 04/15/2014
(11) 551.85 ft on 06/26/2014
(12) 551.80 ft on 05/07/2017
(13) 551.80 ft on 06/25/2011
(14) 551.80 ft on 04/13/2013
(15) 551.70 ft on 11/02/2013
(16) 551.70 ft on 04/11/2013
(17) 551.65 ft on 05/04/2011
(18) 551.65 ft on 04/05/2011
(19) 551.60 ft on 06/14/2014

(P): Preliminary values subject to further review.