Historic Crests
(1) 26.75 ft on 10/04/1986
(2) 24.53 ft on 05/17/1957
(3) 23.00 ft on 06/21/1935
(4) 22.20 ft on 03/11/1990
(5) 22.03 ft on 05/19/1982
(6) 22.00 ft on 03/12/1990
(7) 22.00 ft on 10/05/1926
(8) 21.85 ft on 11/04/1974
(9) 21.40 ft on 10/03/1959
(10) 20.75 ft on 05/21/1957
(11) 20.22 ft on 05/19/1949
(12) 19.86 ft on 03/12/1974
(13) 19.80 ft on 05/21/1955
(14) 19.60 ft on 08/18/1932
(15) 19.53 ft on 10/23/1986
(16) 19.50 ft on 05/29/1987
(17) 19.40 ft on 06/10/2008
(18) 19.30 ft on 04/20/1942
(19) 19.25 ft on 10/25/1941
(20) 19.08 ft on 05/20/1943
(21) 19.08 ft on 04/11/1944
(22) 19.00 ft on 05/22/1949
(23) 18.92 ft on 04/17/1945
(24) 18.90 ft on 05/20/1951
(25) 18.80 ft on 06/25/1957
(26) 18.80 ft on 06/30/2007
(27) 18.80 ft on 05/27/1955
(28) 18.80 ft on 07/31/1950
(29) 18.68 ft on 04/01/1973
(30) 18.63 ft on 04/14/1947
(31) 18.50 ft on 04/02/1988
(32) 18.50 ft on 05/16/1947
(33) 18.48 ft on 11/05/1986
(34) 18.45 ft on 09/14/1961
(35) 18.40 ft on 05/15/1983
(36) 18.39 ft on 10/05/1955
(37) 18.36 ft on 08/02/1950
(38) 18.35 ft on 07/14/2007
(39) 18.26 ft on 06/24/1948
(40) 18.20 ft on 06/19/1955
(41) 18.20 ft on 05/24/1938
(42) 18.17 ft on 04/26/1942
(43) 18.09 ft on 04/23/1942
(44) 18.08 ft on 03/04/1988
(45) 18.05 ft on 05/22/1977
(46) 18.00 ft on 09/26/1959
(47) 18.00 ft on 04/12/1997
(48) 17.94 ft on 10/21/1983
(49) 17.93 ft on 08/20/2007
(50) 17.87 ft on 06/29/1948
(51) 17.85 ft on 09/22/1965
(52) 17.83 ft on 05/17/1980
(53) 17.80 ft on 06/06/1936
(54) 17.74 ft on 05/18/1943
(55) 17.70 ft on 06/11/1941
(56) 17.61 ft on 06/11/1957
(57) 17.57 ft on 05/06/1941
(58) 17.56 ft on 09/30/1945
(59) 17.49 ft on 05/14/1982
(60) 17.45 ft on 06/21/2007
(61) 17.45 ft on 05/09/2007
(62) 17.40 ft on 04/10/1942
(63) 17.32 ft on 06/01/1957
(64) 17.28 ft on 04/23/1944
(65) 17.22 ft on 05/26/1957
(66) 17.10 ft on 06/16/1937
(67) 16.93 ft on 06/14/1944
(68) 16.90 ft on 06/15/1949
(69) 16.90 ft on 04/17/1941
(70) 16.88 ft on 05/22/1941
(71) 16.73 ft on 04/12/1945
(72) 16.33 ft on 05/13/1947
(73) 16.10 ft on 12/21/1991
(74) 16.07 ft on 06/07/1949

(P): Preliminary values subject to further review.