Historic Crests
(1) 40.00 ft on 06/01/1844
(2) 33.39 ft on 07/13/1951
(3) 29.92 ft on 07/25/1993
(4) 29.84 ft on 07/15/1951
(5) 26.76 ft on 06/29/1951
(6) 25.22 ft on 06/24/1951
(7) 23.04 ft on 06/09/1951
(8) 23.00 ft on 07/20/1950
(9) 22.68 ft on 07/20/1948
(10) 22.40 ft on 06/28/1947
(11) 22.38 ft on 10/11/1973
(12) 21.90 ft on 03/29/1960
(13) 21.84 ft on 05/17/1995
(14) 21.40 ft on 06/17/1951
(15) 21.07 ft on 06/16/1951
(16) 20.70 ft on 06/26/1947
(17) 20.58 ft on 09/05/1951
(18) 20.07 ft on 06/06/2011
(19) 19.94 ft on 09/13/1951
(20) 19.90 ft on 08/18/1993
(21) 19.76 ft on 07/07/2019
(22) 19.74 ft on 10/04/1950
(23) 19.70 ft on 05/24/1995
(24) 19.69 ft on 05/11/1993
(25) 19.67 ft on 05/10/1993
(26) 19.61 ft on 07/11/1950
(27) 19.58 ft on 07/04/1951
(28) 19.58 ft on 06/23/2019
(29) 19.29 ft on 05/26/2019
(30) 19.27 ft on 05/01/1951
(31) 19.25 ft on 06/19/1977
(32) 19.23 ft on 07/05/1951
(33) 19.21 ft on 05/27/1995
(34) 19.12 ft on 05/30/2019
(35) 19.09 ft on 07/06/1951
(36) 18.96 ft on 06/24/1967
(37) 18.91 ft on 05/08/2019
(38) 18.85 ft on 05/24/1999
(39) 18.82 ft on 06/01/1995
(40) 18.78 ft on 03/20/1948
(41) 18.70 ft on 09/10/1951
(42) 18.56 ft on 05/09/1993
(43) 18.39 ft on 06/28/2019
(44) 18.34 ft on 10/08/1967
(45) 18.26 ft on 06/28/1965
(46) 18.26 ft on 05/22/2019
(47) 18.13 ft on 08/30/2019
(48) 18.09 ft on 06/17/2010
(49) 18.08 ft on 07/26/1950
(50) 18.06 ft on 06/29/1949
(51) 18.01 ft on 05/09/2019
(52) 17.58 ft on 07/21/1957
(53) 13.84 ft on 06/20/2001
(54) 11.73 ft on 03/26/2000
(55) 9.48 ft on 09/17/2003
(56) 6.63 ft on 10/01/2001

(P): Preliminary values subject to further review.