Historic Crests
(1) 21.60 ft on 01/01/1908
(2) 20.60 ft on 05/01/1935
(3) 17.64 ft on 05/24/1957
(4) 17.26 ft on 04/26/1990
(5) 17.20 ft on 04/26/1957
(6) 17.10 ft on 10/31/1974
(7) 16.70 ft on 05/02/1958
(8) 16.68 ft on 09/07/1962
(9) 16.68 ft on 10/13/1981
(10) 16.57 ft on 06/07/1989
(11) 16.48 ft on 03/18/2020
(12) 16.37 ft on 03/27/1977
(13) 16.16 ft on 05/01/1966
(14) 16.08 ft on 06/23/1959
(15) 16.05 ft on 05/06/1969
(16) 16.03 ft on 05/28/1987
(17) 15.97 ft on 02/24/2001
(18) 15.95 ft on 12/20/1991
(19) 15.93 ft on 02/20/1997
(20) 15.75 ft on 02/16/2001
(21) 15.54 ft on 03/16/2020
(22) 15.43 ft on 05/30/2015
(23) 15.39 ft on 06/18/2007
(24) 15.35 ft on 05/13/1994
(25) 15.32 ft on 11/15/1994
(26) 15.29 ft on 06/10/2004
(27) 15.25 ft on 06/18/2015
(28) 15.09 ft on 09/08/2010
(29) 14.98 ft on 03/16/1998
(30) 14.94 ft on 11/28/2015
(31) 14.91 ft on 05/10/2015
(32) 14.84 ft on 03/08/2016
(33) 14.81 ft on 02/25/1993
(34) 14.62 ft on 06/30/2007
(35) 14.59 ft on 05/28/2008
(36) 14.59 ft on 03/01/2001
(37) 14.46 ft on 06/27/2007
(38) 14.41 ft on 01/25/2012
(39) 14.36 ft on 03/31/2007
(40) 14.29 ft on 05/03/2019
(41) 14.23 ft on 03/20/2012
(42) 13.89 ft on 05/24/2020
(43) 13.87 ft on 05/18/2019
(44) 13.82 ft on 04/25/2007
(45) 13.81 ft on 12/27/2015
(46) 13.70 ft on 04/19/2019
(47) 13.67 ft on 06/03/2016
(48) 13.62 ft on 05/21/2015
(49) 13.55 ft on 05/30/2019
(50) 13.55 ft on 10/22/2009
(51) 13.47 ft on 03/13/2020
(52) 13.47 ft on 01/29/2001
(53) 13.12 ft on 06/23/2020
(54) 13.05 ft on 10/09/2009
(55) 12.99 ft on 04/21/2016
(56) 12.92 ft on 03/19/2008
(57) 12.86 ft on 02/09/2010
(58) 12.82 ft on 06/13/2016
(59) 12.78 ft on 08/21/2016
(60) 12.76 ft on 10/25/2018
(61) 12.75 ft on 05/25/2016
(62) 12.56 ft on 02/13/2020
(63) 12.44 ft on 09/02/2020
(64) 12.37 ft on 04/19/2016
(65) 12.21 ft on 06/01/2016
(66) 12.01 ft on 04/30/2021 (P)
(67) 11.99 ft on 09/22/2018
(68) 11.99 ft on 10/15/2018
(69) 11.95 ft on 07/18/2014
(70) 11.94 ft on 11/17/2004
(71) 11.92 ft on 05/19/2021 (P)
(72) 11.71 ft on 10/14/2018
(73) 11.64 ft on 06/03/2007
(74) 11.59 ft on 03/25/2010
(75) 11.48 ft on 04/25/2015
(76) 11.47 ft on 05/31/2016
(77) 11.45 ft on 05/28/2015
(78) 11.43 ft on 02/22/2018
(79) 11.35 ft on 01/29/2010
(80) 11.31 ft on 05/09/2019
(81) 11.29 ft on 04/10/2008
(82) 11.15 ft on 05/16/2020
(83) 11.10 ft on 05/03/2009
(84) 11.06 ft on 03/12/2012
(85) 10.94 ft on 05/15/2010
(86) 10.89 ft on 10/31/2015
(87) 10.84 ft on 04/24/2004
(88) 10.76 ft on 05/26/2021 (P)
(89) 10.66 ft on 03/01/2018
(90) 10.50 ft on 10/19/2018
(91) 10.46 ft on 06/03/2017
(92) 10.44 ft on 05/01/2019
(93) 10.38 ft on 01/16/2017
(94) 10.28 ft on 05/28/2016
(95) 10.26 ft on 02/25/2018
(96) 10.22 ft on 02/28/2001
(97) 10.13 ft on 05/10/2016
(98) 10.11 ft on 06/22/2020
(99) 10.07 ft on 05/11/2019
(100) 10.04 ft on 03/09/2010

(P): Preliminary values subject to further review.