Historic Crests
(1) 22.75 ft on 07/11/1929
(2) 20.49 ft on 10/20/1941
(3) 20.38 ft on 09/26/1973
(4) 20.35 ft on 05/07/2007
(5) 19.95 ft on 08/01/1950
(6) 19.82 ft on 10/10/2018
(7) 19.60 ft on 04/22/1974
(8) 19.45 ft on 05/09/2019
(9) 19.29 ft on 05/25/2007
(10) 19.27 ft on 09/03/1941
(11) 19.20 ft on 08/16/1950
(12) 19.09 ft on 08/06/2013
(13) 19.05 ft on 07/13/1951
(14) 19.04 ft on 10/12/1973
(15) 19.00 ft on 12/07/1973
(16) 18.91 ft on 07/21/1993
(17) 18.80 ft on 07/16/1948
(18) 18.78 ft on 07/14/1951
(19) 18.75 ft on 04/01/1973
(20) 18.75 ft on 06/02/1996
(21) 18.61 ft on 06/23/2019
(22) 18.61 ft on 06/19/1993
(23) 18.57 ft on 05/21/2019
(24) 18.45 ft on 06/02/1965
(25) 18.32 ft on 05/27/1974
(26) 18.32 ft on 07/14/1993
(27) 18.32 ft on 03/21/2003
(28) 18.31 ft on 05/20/2019
(29) 18.30 ft on 07/04/1940
(30) 18.27 ft on 08/13/2002
(31) 18.27 ft on 07/06/1986
(32) 18.25 ft on 03/25/1987
(33) 18.21 ft on 05/29/2019
(34) 18.19 ft on 07/30/2013
(35) 18.16 ft on 09/18/2001
(36) 18.16 ft on 05/19/1974
(37) 18.10 ft on 11/23/1973
(38) 18.08 ft on 08/30/1975
(39) 18.08 ft on 03/25/2000
(40) 18.08 ft on 06/13/1965
(41) 18.07 ft on 09/07/2018
(42) 18.07 ft on 09/02/2014
(43) 18.01 ft on 06/28/1975
(44) 18.01 ft on 05/26/2019
(45) 17.98 ft on 07/04/2016
(46) 17.96 ft on 09/02/1972
(47) 17.83 ft on 06/11/2014
(48) 17.82 ft on 10/18/1968
(49) 17.62 ft on 04/16/1945
(50) 17.60 ft on 04/22/1944
(51) 17.58 ft on 09/13/1977
(52) 17.51 ft on 10/17/2008
(53) 17.10 ft on 10/02/1959
(54) 17.09 ft on 06/13/1971
(55) 17.04 ft on 03/31/1980
(56) 16.95 ft on 06/16/2010
(57) 16.80 ft on 04/23/1976
(58) 16.80 ft on 06/24/1981
(59) 16.79 ft on 06/16/2005
(60) 16.70 ft on 07/02/1982
(61) 16.34 ft on 05/01/1984
(62) 16.30 ft on 06/01/1938
(63) 16.24 ft on 06/12/1992
(64) 16.19 ft on 07/15/1967
(65) 16.16 ft on 06/05/1947
(66) 16.09 ft on 05/02/1985
(67) 15.93 ft on 05/05/1961
(68) 15.79 ft on 02/10/1966
(69) 15.64 ft on 07/20/1962
(70) 14.59 ft on 08/17/1990
(71) 14.18 ft on 03/20/1979
(72) 13.99 ft on 03/12/1978
(73) 13.68 ft on 06/16/1964
(74) 12.57 ft on 07/03/1989
(75) 10.72 ft on 06/11/1991
(76) 10.57 ft on 06/04/1983
(77) 9.45 ft on 07/17/1994
(78) 6.26 ft on 07/10/1988

(P): Preliminary values subject to further review.