Historic Crests
(1) 20.50 ft on 08/22/1940
(2) 18.10 ft on 01/01/1877
(3) 17.80 ft on 03/15/1912
(4) 16.10 ft on 01/01/1919
(5) 16.00 ft on 04/18/1957
(6) 15.00 ft on 09/26/1945
(7) 14.70 ft on 01/27/1936
(8) 14.30 ft on 01/01/1923
(9) 14.00 ft on 01/27/1937
(10) 13.10 ft on 02/22/1948
(11) 13.01 ft on 09/18/1999
(12) 12.37 ft on 12/01/2018
(13) 12.34 ft on 11/28/2020
(14) 12.20 ft on 09/22/1996
(15) 12.10 ft on 05/14/2017
(16) 11.61 ft on 10/14/2016
(17) 11.40 ft on 07/17/2013
(18) 11.01 ft on 04/06/2012

(P): Preliminary values subject to further review.