Historic Crests
(1) 30.00 ft on 06/16/1930
(2) 28.87 ft on 04/29/1957
(3) 26.53 ft on 10/13/1981
(4) 23.25 ft on 04/27/1990
(5) 22.93 ft on 08/08/1978
(6) 22.89 ft on 07/01/2007
(7) 21.67 ft on 12/20/1991
(8) 21.18 ft on 02/20/1997
(9) 21.15 ft on 03/18/2020
(10) 21.09 ft on 06/01/2016
(11) 20.53 ft on 09/27/1955
(12) 20.33 ft on 05/27/2015
(13) 19.99 ft on 06/08/2021 (P)
(14) 19.91 ft on 04/18/2010
(15) 19.16 ft on 07/03/2007
(16) 18.98 ft on 06/04/2016
(17) 18.78 ft on 03/31/2007
(18) 18.47 ft on 05/15/2010
(19) 18.42 ft on 05/01/1966
(20) 17.42 ft on 10/17/1942
(21) 17.32 ft on 03/19/2020
(22) 17.30 ft on 10/05/1941
(23) 16.72 ft on 06/03/2016
(24) 16.68 ft on 05/30/2015
(25) 16.52 ft on 10/25/2018
(26) 16.47 ft on 04/18/2016
(27) 16.41 ft on 10/18/2018
(28) 16.03 ft on 04/20/2016
(29) 15.60 ft on 05/20/1935
(30) 0.00 ft on 09/10/1929
(31) 0.00 ft on 09/13/1925
(32) 0.00 ft on 09/09/1932
(33) 0.00 ft on 10/18/1926

(P): Preliminary values subject to further review.