Historic Crests
(1) 29.85 ft on 03/30/1945
(2) 25.90 ft on 07/01/1895
(3) 25.90 ft on 06/07/1943
(4) 25.10 ft on 12/10/1971
(5) 24.38 ft on 04/28/1958
(6) 23.26 ft on 12/28/2015
(7) 23.00 ft on 04/09/1942
(8) 23.00 ft on 04/26/1966
(9) 22.40 ft on 12/17/2001
(10) 21.81 ft on 02/03/1950
(11) 21.75 ft on 05/04/1990
(12) 21.75 ft on 05/18/1989
(13) 21.34 ft on 06/16/2000
(14) 21.29 ft on 05/08/1969
(15) 21.21 ft on 05/03/1944
(16) 21.05 ft on 04/30/1953
(17) 21.02 ft on 02/03/1975
(18) 20.66 ft on 05/12/1948
(19) 20.60 ft on 05/01/1976
(20) 20.49 ft on 07/16/1994
(21) 20.38 ft on 04/28/1957
(22) 20.36 ft on 04/23/1952
(23) 20.25 ft on 12/14/2015
(24) 20.20 ft on 03/10/2016
(25) 20.20 ft on 12/17/1959
(26) 20.17 ft on 04/30/2016
(27) 20.16 ft on 05/31/1946
(28) 20.00 ft on 11/25/1974
(29) 19.98 ft on 11/07/1946
(30) 19.80 ft on 04/25/1973
(31) 19.58 ft on 03/10/1992
(32) 19.40 ft on 12/27/1987
(33) 19.28 ft on 11/30/2015
(34) 19.04 ft on 05/09/1995
(35) 19.01 ft on 11/07/1957
(36) 18.92 ft on 02/23/2018
(37) 18.88 ft on 02/07/1986
(38) 18.86 ft on 12/09/1960
(39) 18.86 ft on 05/30/1965
(40) 18.64 ft on 05/19/1968
(41) 18.62 ft on 02/22/1949
(42) 18.45 ft on 02/16/1959
(43) 18.25 ft on 12/28/1940
(44) 18.01 ft on 05/19/1999
(45) 17.60 ft on 05/27/2015
(46) 17.50 ft on 02/05/2010
(47) 17.20 ft on 03/21/2012
(48) 17.12 ft on 06/03/2016
(49) 17.00 ft on 04/21/2016
(50) 16.84 ft on 08/15/2017

(P): Preliminary values subject to further review.