Historic Crests
(1) 29.71 ft on 06/30/2007
(2) 29.53 ft on 05/07/2007
(3) 28.00 ft on 10/10/1985
(4) 27.70 ft on 05/24/2015
(5) 27.70 ft on 05/21/2019
(6) 27.38 ft on 11/01/1998
(7) 26.86 ft on 06/17/1975
(8) 26.36 ft on 05/23/1981
(9) 26.30 ft on 04/28/1994
(10) 26.30 ft on 04/27/2016
(11) 26.20 ft on 06/04/1985
(12) 26.14 ft on 09/01/2003
(13) 26.06 ft on 09/10/2009
(14) 26.00 ft on 03/31/1980
(15) 25.98 ft on 05/23/1978
(16) 25.95 ft on 06/09/2010
(17) 25.93 ft on 03/05/2004
(18) 25.92 ft on 06/09/1984
(19) 25.90 ft on 05/17/2015
(20) 25.79 ft on 05/23/1999
(21) 25.76 ft on 06/04/2005
(22) 25.64 ft on 06/12/2005
(23) 25.59 ft on 05/09/1993
(24) 25.59 ft on 04/27/2009
(25) 25.50 ft on 05/01/2019
(26) 25.40 ft on 06/22/1977
(27) 25.40 ft on 04/03/1988
(28) 25.40 ft on 05/12/1982
(29) 25.40 ft on 05/27/2016
(30) 25.03 ft on 03/01/1987
(31) 25.00 ft on 11/15/1985
(32) 24.91 ft on 04/02/1983
(33) 24.90 ft on 05/15/1990
(34) 24.60 ft on 03/18/1987
(35) 24.59 ft on 03/19/1984
(36) 24.50 ft on 06/11/1990
(37) 24.46 ft on 05/17/1995
(38) 24.40 ft on 02/23/1985
(39) 24.22 ft on 04/15/1999
(40) 24.13 ft on 06/18/1977
(41) 24.03 ft on 04/11/1997
(42) 23.93 ft on 06/19/1977
(43) 23.80 ft on 06/08/1995
(44) 23.50 ft on 07/25/1979
(45) 23.30 ft on 05/07/2019
(46) 23.27 ft on 10/05/1998
(47) 23.24 ft on 06/06/1996
(48) 23.17 ft on 11/30/1998
(49) 22.90 ft on 10/03/1986
(50) 22.80 ft on 04/23/2010
(51) 22.70 ft on 05/28/1983
(52) 22.64 ft on 04/12/1983
(53) 22.30 ft on 06/15/1990
(54) 22.30 ft on 08/22/1985
(55) 22.23 ft on 05/05/1996
(56) 22.10 ft on 12/20/1987
(57) 21.92 ft on 06/08/1979
(58) 21.77 ft on 09/25/1998
(59) 21.66 ft on 05/13/2010
(60) 21.58 ft on 05/19/2005
(61) 21.49 ft on 07/25/2004
(62) 21.36 ft on 04/27/1999
(63) 21.30 ft on 05/17/1986
(64) 21.14 ft on 04/23/1999
(65) 21.00 ft on 09/30/1986
(66) 20.90 ft on 04/30/2017
(67) 20.84 ft on 12/07/1998
(68) 20.30 ft on 05/07/1993
(69) 20.27 ft on 05/14/2005
(70) 20.20 ft on 05/29/2015
(71) 20.19 ft on 03/24/1978
(72) 20.07 ft on 01/05/2005
(73) 20.00 ft on 04/04/1986
(74) 19.90 ft on 10/30/2009
(75) 19.64 ft on 04/23/1983
(76) 19.40 ft on 06/28/1999
(77) 19.10 ft on 10/18/1998
(78) 18.75 ft on 03/31/2007
(79) 18.66 ft on 05/05/1999
(80) 18.61 ft on 02/21/1997
(81) 18.30 ft on 11/18/1996
(82) 18.25 ft on 06/15/2010
(83) 18.19 ft on 05/06/1978
(84) 18.00 ft on 04/15/2007
(85) 17.70 ft on 10/12/1985
(86) 17.33 ft on 02/25/2001
(87) 17.18 ft on 03/17/1998
(88) 17.08 ft on 08/29/1989

(P): Preliminary values subject to further review.