Historic Crests
(1) 29.84 ft on 09/23/2009
(2) 29.11 ft on 12/11/1919
(3) 27.50 ft on 02/25/1961
(4) 25.90 ft on 03/18/1990
(5) 25.10 ft on 01/10/1946
(6) 25.00 ft on 11/29/1948
(7) 24.53 ft on 07/12/2005
(8) 23.90 ft on 03/16/1976
(9) 23.81 ft on 03/09/1998
(10) 23.79 ft on 04/14/1979
(11) 22.06 ft on 06/18/2003
(12) 21.96 ft on 03/08/1996
(13) 21.89 ft on 02/04/1982
(14) 21.87 ft on 11/05/1978
(15) 21.84 ft on 01/12/1972
(16) 21.48 ft on 03/14/1975
(17) 20.89 ft on 03/20/1970
(18) 20.79 ft on 03/01/1997
(19) 20.78 ft on 11/12/2009
(20) 20.50 ft on 05/08/2003
(21) 20.50 ft on 02/03/1996
(22) 20.50 ft on 10/06/1995
(23) 20.50 ft on 10/06/1985
(24) 20.50 ft on 03/14/1952
(25) 20.26 ft on 12/29/2018
(26) 20.20 ft on 01/23/1947
(27) 20.16 ft on 12/25/2015
(28) 19.60 ft on 03/21/1942
(29) 19.56 ft on 03/31/1977
(30) 19.48 ft on 12/18/1993
(31) 19.47 ft on 12/18/1992
(32) 19.38 ft on 09/18/2004
(33) 19.38 ft on 09/18/2004
(34) 18.89 ft on 04/09/1983
(35) 18.85 ft on 02/14/1966
(36) 18.82 ft on 01/01/1974
(37) 18.79 ft on 04/19/1969
(38) 18.73 ft on 03/03/1971
(39) 18.65 ft on 01/19/1987
(40) 18.40 ft on 01/09/1949
(41) 18.20 ft on 03/21/1943
(42) 17.99 ft on 04/06/2017
(43) 17.93 ft on 03/28/2005
(44) 17.91 ft on 07/05/1994
(45) 17.85 ft on 04/08/2014
(46) 17.80 ft on 01/19/1954
(47) 17.69 ft on 03/09/1980
(48) 17.63 ft on 02/07/2020
(49) 17.60 ft on 04/01/1944
(50) 17.58 ft on 08/25/1967
(51) 17.55 ft on 05/05/2021 (P)
(52) 17.48 ft on 10/13/2009
(53) 17.40 ft on 03/07/2003
(54) 17.30 ft on 12/21/1951
(55) 17.24 ft on 02/01/1973
(56) 17.22 ft on 12/19/2009
(57) 17.22 ft on 04/01/2005
(58) 17.20 ft on 02/10/1990
(59) 17.20 ft on 02/09/1948
(60) 17.10 ft on 07/02/2003
(61) 17.10 ft on 02/11/1995
(62) 17.08 ft on 02/06/2010
(63) 17.07 ft on 10/12/2020
(64) 17.07 ft on 02/18/1995
(65) 17.00 ft on 03/09/1995
(66) 16.70 ft on 01/24/1965
(67) 16.61 ft on 02/11/1981
(68) 16.46 ft on 12/07/1983
(69) 16.40 ft on 04/08/1938
(70) 16.20 ft on 05/06/2013
(71) 15.90 ft on 11/05/1982
(72) 15.83 ft on 03/11/2010
(73) 15.83 ft on 01/25/2010
(74) 15.70 ft on 02/28/1939
(75) 15.70 ft on 04/25/1945
(76) 15.67 ft on 03/15/2001
(77) 15.41 ft on 01/12/2014
(78) 15.41 ft on 03/04/2012
(79) 15.40 ft on 01/10/1953
(80) 15.40 ft on 03/30/1981
(81) 15.40 ft on 03/10/1953
(82) 15.30 ft on 01/13/1993
(83) 15.29 ft on 03/30/1991
(84) 15.27 ft on 12/03/2009
(85) 15.07 ft on 09/26/1997
(86) 15.07 ft on 09/25/1987
(87) 15.01 ft on 12/26/2009

(P): Preliminary values subject to further review.