Historic Crests
(1) 31.80 ft on 07/15/1993
(2) 30.16 ft on 06/02/2019
(3) 29.54 ft on 06/18/2008
(4) 28.59 ft on 04/25/1973
(5) 27.63 ft on 04/21/2013
(6) 26.91 ft on 05/16/2001
(7) 26.68 ft on 07/08/2014
(8) 25.53 ft on 06/01/2013
(9) 25.30 ft on 10/04/1986
(10) 24.80 ft on 10/12/2018
(11) 24.59 ft on 05/01/1965
(12) 24.41 ft on 05/29/1996
(13) 24.10 ft on 06/09/1947
(14) 23.90 ft on 04/05/1983
(15) 23.67 ft on 06/28/2015
(16) 23.59 ft on 06/17/2011
(17) 23.48 ft on 04/15/1998
(18) 23.40 ft on 04/04/1960
(19) 23.30 ft on 04/28/2001
(20) 23.26 ft on 05/05/2008
(21) 23.17 ft on 04/24/2011
(22) 23.10 ft on 03/05/1985
(23) 22.59 ft on 06/24/2010
(24) 22.54 ft on 06/08/1903
(25) 22.50 ft on 05/28/1944
(26) 22.50 ft on 07/11/1969
(27) 22.20 ft on 06/23/1990
(28) 22.16 ft on 12/29/2015
(29) 22.15 ft on 03/12/2009
(30) 22.15 ft on 03/12/2009
(31) 22.08 ft on 04/28/1929
(32) 21.90 ft on 05/18/1995
(33) 21.60 ft on 03/24/1948
(34) 21.60 ft on 04/25/1952
(35) 21.46 ft on 04/28/2008
(36) 21.41 ft on 05/13/2002
(37) 21.09 ft on 05/17/2009
(38) 21.07 ft on 06/04/2004
(39) 20.90 ft on 04/09/1962
(40) 20.82 ft on 10/17/2019
(41) 20.80 ft on 04/29/1897
(42) 20.80 ft on 07/03/1892
(43) 20.80 ft on 04/22/1997
(44) 20.61 ft on 09/09/2018
(45) 20.60 ft on 04/19/1982
(46) 20.57 ft on 06/29/2011
(47) 20.50 ft on 05/01/1969
(48) 20.40 ft on 10/22/1881
(49) 20.34 ft on 04/02/2020
(50) 20.33 ft on 05/03/2017
(51) 20.16 ft on 05/15/2010
(52) 20.15 ft on 03/16/2010
(53) 20.10 ft on 05/08/1919
(54) 20.00 ft on 12/04/1982
(55) 19.96 ft on 01/24/2010
(56) 19.93 ft on 05/16/2018
(57) 19.90 ft on 09/26/1965
(58) 19.80 ft on 06/18/1945
(59) 19.80 ft on 03/27/1945
(60) 19.80 ft on 06/06/1892
(61) 19.80 ft on 10/07/2016
(62) 19.78 ft on 11/01/2009
(63) 19.70 ft on 04/17/1967
(64) 19.60 ft on 07/09/1998
(65) 19.50 ft on 04/26/1944
(66) 19.50 ft on 04/22/1920
(67) 19.50 ft on 03/08/1993
(68) 19.44 ft on 07/06/2018
(69) 19.36 ft on 09/12/2014
(70) 19.30 ft on 01/12/1946
(71) 19.20 ft on 06/22/1950
(72) 19.20 ft on 06/24/1944
(73) 19.15 ft on 05/16/1916
(74) 19.10 ft on 04/05/1881
(75) 19.10 ft on 04/07/1961
(76) 19.10 ft on 02/27/1997
(77) 19.00 ft on 04/08/1912
(78) 18.90 ft on 04/23/1947
(79) 18.85 ft on 07/13/2015
(80) 18.83 ft on 09/15/2008
(81) 18.80 ft on 04/25/1922
(82) 18.80 ft on 05/13/1960
(83) 18.79 ft on 06/11/2020
(84) 18.70 ft on 07/03/1880
(85) 18.70 ft on 03/26/1946
(86) 18.64 ft on 04/27/2010
(87) 18.62 ft on 06/27/2000
(88) 18.60 ft on 06/30/1984
(89) 18.57 ft on 05/16/2014
(90) 18.55 ft on 08/27/2007
(91) 18.50 ft on 05/09/1892
(92) 18.50 ft on 04/03/1884
(93) 18.41 ft on 04/07/2017
(94) 18.40 ft on 05/18/1945
(95) 18.40 ft on 07/02/1882
(96) 18.33 ft on 05/02/1983
(97) 18.30 ft on 03/31/1916
(98) 18.27 ft on 10/09/2010
(99) 18.20 ft on 04/27/1882
(100) 18.20 ft on 05/02/1992
(101) 18.16 ft on 04/14/2007
(102) 18.15 ft on 07/02/2020
(103) 18.10 ft on 06/09/1917
(104) 18.10 ft on 06/13/1905
(105) 18.00 ft on 03/15/1939
(106) 18.00 ft on 09/27/1938
(107) 17.92 ft on 04/22/1927
(108) 17.90 ft on 04/28/1919
(109) 17.80 ft on 04/18/1939
(110) 17.70 ft on 06/19/1942
(111) 17.70 ft on 03/12/1937
(112) 17.70 ft on 06/13/1918
(113) 17.66 ft on 11/18/1928
(114) 17.62 ft on 12/02/2015
(115) 17.60 ft on 06/18/1943
(116) 17.60 ft on 05/20/1883
(117) 17.60 ft on 06/01/1908
(118) 17.60 ft on 05/09/1882
(119) 17.54 ft on 04/01/2016
(120) 17.50 ft on 02/27/1971
(121) 17.50 ft on 05/02/1972
(122) 17.47 ft on 01/21/2016
(123) 17.45 ft on 05/26/2003
(124) 17.45 ft on 04/28/2007
(125) 17.30 ft on 07/16/1951
(126) 17.20 ft on 06/05/1882
(127) 17.20 ft on 03/27/2007
(128) 17.14 ft on 07/09/2015
(129) 17.12 ft on 06/05/2014
(130) 17.10 ft on 06/21/1946
(131) 17.10 ft on 05/21/1943
(132) 17.10 ft on 05/09/1886
(133) 17.10 ft on 03/19/1965
(134) 17.00 ft on 06/06/1927
(135) 17.00 ft on 11/16/1985
(136) 16.90 ft on 03/17/1944
(137) 16.90 ft on 06/10/1916
(138) 16.90 ft on 03/16/1952
(139) 16.80 ft on 07/06/1943
(140) 16.80 ft on 05/28/1893
(141) 16.80 ft on 07/20/1881
(142) 16.80 ft on 04/28/1971
(143) 16.80 ft on 06/17/2001
(144) 16.70 ft on 05/20/1881
(145) 16.67 ft on 05/02/2014
(146) 16.66 ft on 10/03/1926
(147) 16.65 ft on 02/22/2011
(148) 16.60 ft on 03/29/1920
(149) 16.60 ft on 04/01/1897
(150) 16.60 ft on 07/23/1902
(151) 16.60 ft on 03/30/1953
(152) 16.60 ft on 11/17/1961
(153) 16.53 ft on 08/02/2011
(154) 16.50 ft on 07/10/1909
(155) 16.50 ft on 07/02/1954
(156) 16.50 ft on 04/04/1927
(157) 16.48 ft on 02/18/2011
(158) 16.45 ft on 05/29/1916
(159) 16.44 ft on 04/14/2005
(160) 16.43 ft on 01/03/2010
(161) 16.40 ft on 04/06/1959
(162) 16.30 ft on 04/27/1950
(163) 16.30 ft on 03/10/1943
(164) 16.30 ft on 09/16/1961
(165) 16.29 ft on 05/09/2007
(166) 16.25 ft on 03/22/1919
(167) 16.20 ft on 04/19/1945
(168) 16.20 ft on 06/04/1935
(169) 16.20 ft on 04/22/1916
(170) 16.20 ft on 04/02/1959
(171) 16.20 ft on 06/18/1967
(172) 16.20 ft on 07/18/2015
(173) 16.20 ft on 01/07/2010
(174) 16.18 ft on 03/29/2009
(175) 16.12 ft on 07/31/2008
(176) 16.11 ft on 07/26/2008
(177) 16.10 ft on 05/17/1893
(178) 16.10 ft on 05/03/1917
(179) 16.10 ft on 08/05/1915
(180) 16.06 ft on 02/18/2008
(181) 16.06 ft on 03/24/2008
(182) 16.06 ft on 06/26/2009
(183) 16.05 ft on 05/26/1916
(184) 16.05 ft on 04/22/2017
(185) 16.05 ft on 05/18/2020
(186) 16.00 ft on 05/19/1954
(187) 15.51 ft on 04/18/2006

(P): Preliminary values subject to further review.