Historic Crests
(1) 32.80 ft on 05/23/2004
(2) 30.91 ft on 05/17/1999
(3) 30.10 ft on 06/15/1991
(4) 29.13 ft on 06/10/2008
(5) 28.06 ft on 02/23/1922
(6) 27.98 ft on 04/25/2008
(7) 27.18 ft on 06/22/2013
(8) 26.60 ft on 06/13/1947
(9) 25.60 ft on 03/15/2019
(10) 25.60 ft on 09/23/2016
(11) 25.59 ft on 03/19/1979
(12) 25.30 ft on 07/27/1940
(13) 24.80 ft on 02/09/1966
(14) 24.78 ft on 06/21/2014
(15) 24.70 ft on 03/29/1962
(16) 24.70 ft on 06/15/1925
(17) 24.63 ft on 08/27/1990
(18) 24.47 ft on 09/21/2018
(19) 24.30 ft on 01/05/1946
(20) 24.20 ft on 04/03/1923
(21) 23.75 ft on 07/22/2017
(22) 23.70 ft on 03/07/1950
(23) 23.70 ft on 05/18/1902
(24) 23.62 ft on 02/28/1948
(25) 23.60 ft on 08/27/2016
(26) 23.30 ft on 06/12/1941
(27) 23.29 ft on 08/02/1981
(28) 22.96 ft on 03/30/1960
(29) 22.94 ft on 03/31/1993
(30) 22.88 ft on 04/16/1973
(31) 22.84 ft on 03/26/1961
(32) 22.79 ft on 03/28/1951
(33) 22.67 ft on 08/18/1993
(34) 22.50 ft on 03/30/1933
(35) 22.50 ft on 06/29/1969
(36) 22.47 ft on 05/30/2013
(37) 22.47 ft on 03/19/1986
(38) 22.18 ft on 03/12/1976
(39) 22.18 ft on 01/24/1967
(40) 22.10 ft on 03/01/1965
(41) 22.03 ft on 07/11/1993
(42) 22.00 ft on 06/02/1916
(43) 21.70 ft on 03/19/1948
(44) 21.41 ft on 09/28/1972
(45) 21.24 ft on 09/06/2018
(46) 21.10 ft on 09/13/1938
(47) 21.08 ft on 06/21/1974
(48) 21.06 ft on 03/26/1959
(49) 21.00 ft on 03/16/1943
(50) 20.96 ft on 05/31/2004
(51) 20.93 ft on 03/24/1975
(52) 20.81 ft on 06/20/1971
(53) 20.80 ft on 03/06/1937
(54) 20.70 ft on 03/11/1936
(55) 20.69 ft on 03/17/1963
(56) 20.65 ft on 03/16/1982
(57) 20.62 ft on 07/27/1953
(58) 20.60 ft on 06/16/1944
(59) 20.53 ft on 06/11/2020 (P)
(60) 20.52 ft on 04/01/1998
(61) 20.50 ft on 03/04/1949
(62) 19.94 ft on 06/21/1954
(63) 19.90 ft on 03/04/1935
(64) 19.60 ft on 06/04/2002
(65) 19.40 ft on 06/30/1998
(66) 19.37 ft on 11/12/1982
(67) 19.37 ft on 06/29/2017
(68) 19.15 ft on 04/01/1965
(69) 19.13 ft on 03/14/1939
(70) 19.11 ft on 02/24/1985
(71) 19.02 ft on 10/02/2019 (P)
(72) 18.51 ft on 03/14/2007
(73) 18.50 ft on 04/30/1984
(74) 18.50 ft on 07/12/2017
(75) 18.48 ft on 02/20/1994
(76) 18.20 ft on 06/02/1945
(77) 18.17 ft on 04/21/1992
(78) 17.82 ft on 03/12/1989
(79) 17.77 ft on 01/16/1980
(80) 17.61 ft on 05/31/1958
(81) 17.50 ft on 06/30/1942
(82) 17.50 ft on 06/13/1930
(83) 17.41 ft on 02/18/1997
(84) 17.40 ft on 07/21/1924
(85) 17.35 ft on 06/17/1996
(86) 17.32 ft on 08/08/1970
(87) 17.21 ft on 05/11/2003
(88) 17.02 ft on 08/08/1968
(89) 17.00 ft on 03/28/1956
(90) 17.00 ft on 04/03/1964
(91) 16.85 ft on 03/23/2011

(P): Preliminary values subject to further review.