Historic Crests
(1) 28.20 ft on 05/01/1884
(2) 26.82 ft on 04/04/1945
(3) 24.46 ft on 05/07/1944
(4) 24.20 ft on 05/01/1935
(5) 23.44 ft on 04/30/1966
(6) 22.92 ft on 05/01/1957
(7) 22.60 ft on 03/15/2016
(8) 22.54 ft on 05/17/1953
(9) 22.40 ft on 11/25/1940
(10) 22.09 ft on 05/06/1958
(11) 22.03 ft on 05/20/2019
(12) 21.88 ft on 05/17/1968
(13) 21.10 ft on 07/15/2007
(14) 21.10 ft on 03/15/1922
(15) 20.71 ft on 12/15/1960
(16) 20.30 ft on 01/03/2016
(17) 19.72 ft on 02/19/1950
(18) 19.50 ft on 06/03/2015
(19) 19.30 ft on 12/23/2015
(20) 19.26 ft on 05/06/1959
(21) 19.20 ft on 05/04/2016
(22) 19.15 ft on 06/12/1973
(23) 19.13 ft on 05/18/1965
(24) 19.13 ft on 01/05/2019
(25) 19.10 ft on 03/04/2001
(26) 18.94 ft on 04/14/1969
(27) 18.79 ft on 11/13/1946
(28) 18.79 ft on 01/29/1974
(29) 18.50 ft on 06/17/2016
(30) 18.50 ft on 03/13/2015
(31) 18.46 ft on 02/10/1946
(32) 18.44 ft on 02/24/2020
(33) 18.33 ft on 04/24/2020
(34) 18.27 ft on 04/22/1977
(35) 18.23 ft on 12/09/2018
(36) 18.20 ft on 05/01/1962
(37) 18.10 ft on 03/04/1997
(38) 17.99 ft on 02/10/1975
(39) 17.96 ft on 05/29/2017
(40) 17.78 ft on 03/30/2018
(41) 17.60 ft on 05/01/1976
(42) 17.49 ft on 03/05/2018
(43) 17.44 ft on 05/04/1952
(44) 17.28 ft on 05/23/1954
(45) 17.20 ft on 03/19/1970
(46) 17.15 ft on 05/23/1948
(47) 17.13 ft on 04/03/2017
(48) 17.10 ft on 05/24/2017
(49) 17.00 ft on 06/20/2010
(50) 17.00 ft on 02/16/2010
(51) 17.00 ft on 11/16/2015
(52) 16.82 ft on 12/21/2018
(53) 16.80 ft on 11/01/2013
(54) 16.50 ft on 03/12/2012
(55) 16.50 ft on 03/24/2012
(56) 16.03 ft on 04/05/2018

(P): Preliminary values subject to further review.