Historic Crests
(1) 37.80 ft on 03/31/1949
(2) 37.60 ft on 01/06/1950
(3) 36.03 ft on 05/04/1953
(4) 35.62 ft on 04/13/1955
(5) 31.20 ft on 03/28/1961
(6) 30.30 ft on 03/29/1951
(7) 29.70 ft on 12/17/1959
(8) 29.30 ft on 10/04/1964
(9) 28.60 ft on 04/13/1974
(10) 28.60 ft on 03/15/1956
(11) 27.72 ft on 06/28/1957
(12) 27.60 ft on 12/06/1971
(13) 27.50 ft on 03/24/1973
(14) 26.70 ft on 04/26/1966
(15) 26.60 ft on 01/19/1963
(16) 26.58 ft on 12/16/1961
(17) 25.85 ft on 11/18/1957
(18) 25.72 ft on 12/15/1952
(19) 25.64 ft on 06/08/1975
(20) 25.50 ft on 04/27/1964
(21) 24.54 ft on 05/04/1967
(22) 24.28 ft on 12/15/1967
(23) 24.09 ft on 04/21/1977
(24) 24.08 ft on 05/03/1954
(25) 23.52 ft on 11/30/1977
(26) 23.45 ft on 01/27/1994
(27) 22.77 ft on 01/25/1990
(28) 22.75 ft on 02/22/2003
(29) 22.74 ft on 04/06/1982
(30) 22.47 ft on 12/04/1982
(31) 22.35 ft on 02/02/1959
(32) 22.19 ft on 01/11/2013
(33) 22.09 ft on 02/01/1983
(34) 21.96 ft on 03/30/1976
(35) 21.61 ft on 03/02/2001
(36) 21.25 ft on 10/21/1984
(37) 21.05 ft on 02/24/1979
(38) 21.01 ft on 05/08/1978
(39) 20.91 ft on 05/19/1989
(40) 20.81 ft on 09/02/2008
(41) 20.80 ft on 04/13/1969
(42) 20.80 ft on 07/02/1981
(43) 20.65 ft on 04/22/1979
(44) 20.61 ft on 02/06/2004
(45) 20.60 ft on 03/19/1971
(46) 20.56 ft on 01/20/1979
(47) 20.49 ft on 04/27/1997
(48) 20.49 ft on 06/15/1983
(49) 20.49 ft on 02/05/2004
(50) 20.41 ft on 01/07/1998
(51) 20.14 ft on 10/23/1984
(52) 20.10 ft on 02/03/2016
(53) 20.01 ft on 02/09/1980
(54) 19.99 ft on 03/28/1980
(55) 19.91 ft on 03/05/1984
(56) 19.82 ft on 04/12/1980
(57) 19.78 ft on 02/13/1997
(58) 19.67 ft on 01/30/1999
(59) 19.52 ft on 03/29/1980
(60) 19.32 ft on 04/15/1991
(61) 19.31 ft on 04/23/1995
(62) 19.24 ft on 05/22/1983
(63) 19.06 ft on 07/02/1989
(64) 18.99 ft on 02/12/2004
(65) 18.91 ft on 05/15/2004
(66) 18.71 ft on 03/28/2014
(67) 18.68 ft on 04/12/1979
(68) 18.65 ft on 12/09/2004
(69) 18.62 ft on 03/31/1982
(70) 18.54 ft on 11/17/1993
(71) 18.54 ft on 03/09/2011
(72) 18.47 ft on 03/11/2016
(73) 18.44 ft on 05/13/1990
(74) 18.43 ft on 09/24/2020
(75) 18.40 ft on 04/29/1991
(76) 18.40 ft on 08/29/1978
(77) 18.38 ft on 08/30/2012
(78) 18.20 ft on 03/14/1981
(79) 18.20 ft on 09/26/2002
(80) 18.10 ft on 03/04/1970
(81) 18.00 ft on 02/16/1982

(P): Preliminary values subject to further review.