Historic Crests
(1) 30.44 ft on 08/20/1955
(2) 27.74 ft on 10/11/1903
(3) 27.00 ft on 03/19/1936
(4) 26.00 ft on 04/04/2005
(5) 25.39 ft on 06/29/2006
(6) 23.80 ft on 01/08/1841
(7) 22.83 ft on 02/28/1902
(8) 22.50 ft on 09/19/2004
(9) 21.84 ft on 06/06/1862
(10) 21.76 ft on 09/08/2011
(11) 20.84 ft on 05/24/1942
(12) 19.32 ft on 09/02/2021
(13) 19.28 ft on 12/12/1952
(14) 19.14 ft on 03/12/2011
(15) 19.00 ft on 04/01/1940
(16) 18.54 ft on 01/01/1949
(17) 18.09 ft on 04/01/1951
(18) 17.85 ft on 06/30/1973
(19) 16.68 ft on 08/29/2011
(20) 16.26 ft on 05/30/1984

(P): Preliminary values subject to further review.