Historic Crests
(1) 42.30 ft on 07/01/1869
(2) 40.90 ft on 08/02/1978
(3) 36.90 ft on 06/14/1935
(4) 34.90 ft on 09/16/1915
(5) 33.15 ft on 10/04/1959
(6) 31.50 ft on 07/17/1987
(7) 31.33 ft on 07/04/2002
(8) 27.90 ft on 05/29/2016
(9) 27.50 ft on 10/19/1985
(10) 26.67 ft on 05/24/2015
(11) 25.30 ft on 10/16/2018

(P): Preliminary values subject to further review.