Historic Crests
(1) 31.13 ft on 05/03/1990
(2) 30.84 ft on 06/18/2015
(3) 30.54 ft on 05/29/1987
(4) 29.70 ft on 05/20/1977
(5) 29.63 ft on 04/26/1990
(6) 29.13 ft on 06/12/2016
(7) 29.10 ft on 04/22/1973
(8) 29.00 ft on 10/08/1970
(9) 28.95 ft on 11/24/1973
(10) 28.84 ft on 05/30/1980
(11) 28.76 ft on 04/20/1990
(12) 28.75 ft on 04/30/1974
(13) 28.69 ft on 12/31/1984
(14) 28.51 ft on 05/06/1982
(15) 27.99 ft on 06/10/1975
(16) 27.41 ft on 05/09/1993
(17) 27.20 ft on 03/30/1993
(18) 26.97 ft on 04/28/2021
(19) 26.90 ft on 06/05/1985
(20) 26.81 ft on 05/23/1975
(21) 26.40 ft on 10/31/1974
(22) 26.12 ft on 06/12/2016
(23) 26.10 ft on 10/18/1985
(24) 26.00 ft on 05/28/1978
(25) 25.97 ft on 03/30/2007
(26) 25.82 ft on 05/03/1975
(27) 25.77 ft on 03/11/1990
(28) 25.65 ft on 03/29/1988
(29) 25.60 ft on 09/13/1973
(30) 25.59 ft on 09/25/1974
(31) 25.53 ft on 05/13/1982
(32) 25.47 ft on 10/12/1973
(33) 25.41 ft on 04/18/2016
(34) 25.31 ft on 05/27/2007
(35) 25.23 ft on 04/20/1973
(36) 24.78 ft on 12/20/1991
(37) 24.74 ft on 06/06/1978
(38) 24.68 ft on 04/01/1988
(39) 24.62 ft on 05/17/1982
(40) 24.40 ft on 05/30/1997
(41) 24.34 ft on 02/23/1985
(42) 24.28 ft on 03/02/1988
(43) 24.10 ft on 03/14/1990
(44) 23.55 ft on 05/01/2019
(45) 23.51 ft on 10/16/1981
(46) 23.51 ft on 02/28/1987
(47) 23.51 ft on 05/08/1995
(48) 23.43 ft on 02/06/1987
(49) 23.26 ft on 05/02/1977
(50) 23.02 ft on 09/27/1973
(51) 23.02 ft on 04/22/1985
(52) 22.85 ft on 06/19/2019
(53) 22.61 ft on 06/07/1989
(54) 22.30 ft on 03/27/1975
(55) 22.18 ft on 12/16/1984
(56) 22.05 ft on 11/04/1986
(57) 21.97 ft on 05/22/1982
(58) 21.95 ft on 03/30/1985
(59) 21.88 ft on 07/26/1975
(60) 21.63 ft on 03/20/1985
(61) 21.62 ft on 03/22/1987
(62) 21.52 ft on 02/22/1975
(63) 21.42 ft on 05/29/1982
(64) 21.32 ft on 06/08/1975
(65) 21.25 ft on 01/04/1998
(66) 21.24 ft on 04/19/1976
(67) 21.23 ft on 03/19/2020
(68) 21.17 ft on 10/31/1972
(69) 21.10 ft on 06/10/1995
(70) 20.97 ft on 04/26/1998
(71) 20.79 ft on 06/04/1989
(72) 20.76 ft on 10/20/1983
(73) 20.58 ft on 06/23/1975
(74) 20.44 ft on 05/24/1982
(75) 20.41 ft on 09/14/1993
(76) 20.20 ft on 09/23/1970
(77) 20.20 ft on 06/04/2000
(78) 20.15 ft on 12/13/1984
(79) 20.02 ft on 05/12/1972

(P): Preliminary values subject to further review.