Historic Crests
(1) 24.75 ft on 04/28/1965
(2) 23.31 ft on 04/24/2001
(3) 22.17 ft on 07/08/1993
(4) 21.77 ft on 04/30/2019
(5) 21.37 ft on 04/26/1969
(6) 21.23 ft on 04/27/1952
(7) 21.06 ft on 04/21/2011
(8) 21.00 ft on 04/26/1951
(9) 20.91 ft on 04/08/2019 (P)
(10) 20.72 ft on 04/19/1997
(11) 20.35 ft on 05/07/1975
(12) 19.95 ft on 03/25/1973
(13) 19.86 ft on 04/15/1967
(14) 19.83 ft on 06/05/2019 (P)
(15) 19.66 ft on 10/06/1986
(16) 19.27 ft on 07/03/2014
(17) 19.08 ft on 06/16/2008
(18) 18.63 ft on 04/28/2008
(19) 18.51 ft on 06/29/1944
(20) 18.40 ft on 09/22/1938
(21) 18.18 ft on 05/14/1954
(22) 18.06 ft on 03/19/1983
(23) 18.00 ft on 06/13/1942
(24) 17.69 ft on 03/31/1945
(25) 17.61 ft on 05/10/2018
(26) 17.30 ft on 06/30/1943
(27) 17.16 ft on 04/24/1971
(28) 16.92 ft on 04/20/2013
(29) 16.69 ft on 05/31/2017
(30) 16.69 ft on 06/21/2004
(31) 16.48 ft on 06/24/1974
(32) 16.48 ft on 03/29/1946
(33) 16.24 ft on 04/11/1976
(34) 16.07 ft on 05/18/1960
(35) 16.06 ft on 04/25/2002
(36) 16.05 ft on 05/02/1972
(37) 16.00 ft on 05/06/1979
(38) 16.00 ft on 04/08/1939
(39) 15.93 ft on 09/30/2016
(40) 12.03 ft on 06/16/2015

(P): Preliminary values subject to further review.