Historic Crests
(1) 34.40 ft on 07/13/1993
(2) 32.45 ft on 05/31/2019
(3) 30.51 ft on 05/13/2007
(4) 30.15 ft on 06/01/2013
(5) 29.80 ft on 06/30/2008
(6) 29.75 ft on 05/16/2010
(7) 29.60 ft on 05/28/1995
(8) 29.50 ft on 05/28/1996
(9) 29.10 ft on 10/07/1998
(10) 28.94 ft on 06/08/2001
(11) 28.90 ft on 06/18/2010
(12) 27.98 ft on 10/13/2018
(13) 27.95 ft on 05/14/2002
(14) 27.53 ft on 04/13/1997
(15) 27.20 ft on 05/12/1996
(16) 27.00 ft on 09/17/2008
(17) 26.83 ft on 04/01/2019
(18) 26.65 ft on 03/14/2010
(19) 26.50 ft on 07/31/2008
(20) 26.45 ft on 12/17/2015
(21) 26.40 ft on 06/16/2008
(22) 26.35 ft on 04/21/2013
(23) 26.30 ft on 06/12/1984
(24) 25.95 ft on 09/14/2014
(25) 25.80 ft on 04/18/1999
(26) 25.70 ft on 11/05/1998
(27) 25.57 ft on 05/20/2009
(28) 25.30 ft on 06/27/2021
(29) 25.25 ft on 05/01/2009
(30) 25.18 ft on 09/26/2010
(31) 25.00 ft on 07/07/1995
(32) 24.95 ft on 04/02/1998
(33) 24.55 ft on 06/30/2011
(34) 24.55 ft on 04/08/2017
(35) 24.53 ft on 02/24/1997
(36) 24.52 ft on 05/28/2011
(37) 24.45 ft on 05/30/2016
(38) 24.40 ft on 06/07/2015
(39) 24.40 ft on 05/31/2020
(40) 24.30 ft on 07/02/2017
(41) 24.10 ft on 06/22/2001
(42) 24.10 ft on 05/11/2019
(43) 23.90 ft on 05/03/2019
(44) 23.85 ft on 04/24/1992
(45) 23.80 ft on 06/19/1984
(46) 23.70 ft on 04/29/1999
(47) 23.32 ft on 03/18/2001
(48) 23.10 ft on 07/22/2015
(49) 23.00 ft on 06/14/2015
(50) 22.95 ft on 03/12/2009
(51) 22.90 ft on 05/19/2015
(52) 22.90 ft on 02/27/2001
(53) 22.50 ft on 05/28/2015
(54) 22.50 ft on 08/01/2015
(55) 22.45 ft on 04/28/2010
(56) 22.20 ft on 05/19/1999
(57) 22.00 ft on 05/06/1999
(58) 21.90 ft on 08/31/2004
(59) 21.90 ft on 07/01/1999
(60) 21.80 ft on 04/24/1999
(61) 21.70 ft on 07/21/1996
(62) 21.65 ft on 06/07/2014
(63) 21.60 ft on 06/01/2004
(64) 21.55 ft on 04/24/1997
(65) 21.45 ft on 03/20/1998
(66) 21.37 ft on 03/06/2008
(67) 21.10 ft on 04/29/2016
(68) 21.10 ft on 08/20/2009
(69) 21.00 ft on 06/26/1996
(70) 21.00 ft on 06/27/2015
(71) 20.86 ft on 12/04/2018
(72) 20.80 ft on 02/25/1985
(73) 20.70 ft on 10/20/1998
(74) 20.68 ft on 06/17/2009
(75) 20.10 ft on 04/10/1998
(76) 20.10 ft on 06/22/2008
(77) 20.05 ft on 04/21/2008
(78) 19.90 ft on 06/16/1998
(79) 19.87 ft on 11/20/2009
(80) 19.80 ft on 04/30/1994
(81) 19.72 ft on 06/04/2010
(82) 19.70 ft on 07/08/2010
(83) 19.60 ft on 03/06/2004
(84) 19.51 ft on 04/13/2008
(85) 19.50 ft on 02/11/2001
(86) 19.50 ft on 06/29/1995
(87) 19.50 ft on 07/13/2021
(88) 19.30 ft on 05/09/2002
(89) 19.30 ft on 05/14/1999
(90) 19.30 ft on 05/05/1997
(91) 19.15 ft on 10/16/2014
(92) 19.10 ft on 03/21/2020
(93) 19.05 ft on 06/12/2009
(94) 19.00 ft on 12/30/2008
(95) 19.00 ft on 03/09/1998
(96) 19.00 ft on 05/26/2004
(97) 19.00 ft on 03/27/2009

(P): Preliminary values subject to further review.