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) 23.27 ft on 05/22/1974
(21) 23.26 ft on 05/05/2008
(22) 23.17 ft on 04/24/2011
(23) 23.10 ft on 03/05/1985
(24) 23.00 ft on 04/13/1979
(25) 22.60 ft on 05/13/1951
(26) 22.59 ft on 06/24/2010
(27) 22.54 ft on 06/08/1903
(28) 22.50 ft on 05/28/1944
(29) 22.50 ft on 07/11/1969
(30) 22.30 ft on 05/20/1986
(31) 22.20 ft on 06/23/1990
(32) 22.16 ft on 12/29/2015
(33) 22.15 ft on 03/12/2009
(34) 22.15 ft on 03/12/2009
(35) 22.08 ft on 04/28/1929
(36) 22.00 ft on 04/27/1976
(37) 21.90 ft on 05/18/1995
(38) 21.60 ft on 03/24/1948
(39) 21.60 ft on 04/25/1952
(40) 21.46 ft on 04/28/2008
(41) 21.41 ft on 05/13/2002
(42) 21.09 ft on 05/17/2009
(43) 21.07 ft on 06/04/2004
(44) 20.90 ft on 04/09/1962
(45) 20.82 ft on 10/17/2019
(46) 20.80 ft on 04/29/1897
(47) 20.80 ft on 07/03/1892
(48) 20.80 ft on 04/22/1997
(49) 20.61 ft on 09/09/2018
(50) 20.60 ft on 04/19/1982
(51) 20.57 ft on 06/29/2011
(52) 20.50 ft on 05/01/1969
(53) 20.40 ft on 10/22/1881
(54) 20.34 ft on 04/02/2020
(55) 20.33 ft on 05/03/2017
(56) 20.16 ft on 05/15/2010
(57) 20.15 ft on 03/16/2010
(58) 20.10 ft on 05/08/1919
(59) 20.00 ft on 12/04/1982
(60) 19.96 ft on 01/24/2010
(61) 19.93 ft on 05/16/2018
(62) 19.90 ft on 09/26/1965
(63) 19.80 ft on 06/06/1892
(64) 19.80 ft on 06/18/1945
(65) 19.80 ft on 10/07/2016
(66) 19.80 ft on 03/27/1945
(67) 19.78 ft on 11/01/2009
(68) 19.70 ft on 04/17/1967
(69) 19.60 ft on 07/09/1998
(70) 19.50 ft on 03/08/1993
(71) 19.50 ft on 04/22/1920
(72) 19.50 ft on 04/26/1944
(73) 19.44 ft on 07/06/2018
(74) 19.36 ft on 09/12/2014
(75) 19.30 ft on 01/12/1946
(76) 19.20 ft on 06/24/1944
(77) 19.20 ft on 06/22/1950
(78) 19.15 ft on 05/16/1916
(79) 19.10 ft on 02/27/1997
(80) 19.10 ft on 04/07/1961
(81) 19.10 ft on 04/05/1881
(82) 19.03 ft on 04/12/2021
(83) 19.00 ft on 04/08/1912
(84) 18.90 ft on 04/23/1947
(85) 18.85 ft on 07/13/2015
(86) 18.83 ft on 09/15/2008
(87) 18.80 ft on 05/13/1960
(88) 18.80 ft on 04/25/1922
(89) 18.79 ft on 06/11/2020
(90) 18.70 ft on 07/03/1880
(91) 18.70 ft on 03/26/1946
(92) 18.64 ft on 04/27/2010
(93) 18.62 ft on 06/27/2000
(94) 18.60 ft on 06/30/1984
(95) 18.57 ft on 05/16/2014
(96) 18.55 ft on 08/27/2007
(97) 18.50 ft on 04/03/1884
(98) 18.50 ft on 05/09/1892
(99) 18.41 ft on 04/07/2017
(100) 18.40 ft on 07/02/1882
(101) 18.40 ft on 05/18/1945
(102) 18.35 ft on 03/19/2021
(103) 18.33 ft on 05/02/1983
(104) 18.30 ft on 03/31/1916
(105) 18.27 ft on 10/09/2010
(106) 18.20 ft on 05/02/1992
(107) 18.20 ft on 04/27/1882
(108) 18.16 ft on 04/14/2007
(109) 18.15 ft on 07/02/2020
(110) 18.10 ft on 06/13/1905
(111) 18.10 ft on 06/09/1917
(112) 18.00 ft on 09/27/1938
(113) 18.00 ft on 03/15/1939
(114) 17.92 ft on 04/22/1927
(115) 17.90 ft on 04/28/1919
(116) 17.80 ft on 04/18/1939
(117) 17.70 ft on 06/13/1918
(118) 17.70 ft on 03/12/1937
(119) 17.70 ft on 06/19/1942
(120) 17.66 ft on 11/18/1928
(121) 17.62 ft on 12/02/2015
(122) 17.60 ft on 05/09/1882
(123) 17.60 ft on 06/01/1908
(124) 17.60 ft on 05/20/1883
(125) 17.60 ft on 06/18/1943
(126) 17.54 ft on 04/01/2016
(127) 17.50 ft on 05/02/1972
(128) 17.50 ft on 02/27/1971
(129) 17.47 ft on 01/21/2016
(130) 17.45 ft on 04/28/2007
(131) 17.45 ft on 05/26/2003
(132) 17.30 ft on 07/16/1951
(133) 17.20 ft on 03/27/2007
(134) 17.20 ft on 06/05/1882
(135) 17.14 ft on 07/09/2015
(136) 17.12 ft on 06/05/2014
(137) 17.10 ft on 03/19/1965
(138) 17.10 ft on 05/09/1886
(139) 17.10 ft on 05/21/1943
(140) 17.10 ft on 06/21/1946
(141) 17.00 ft on 11/16/1985
(142) 17.00 ft on 06/06/1927
(143) 16.90 ft on 03/16/1952
(144) 16.90 ft on 06/10/1916
(145) 16.90 ft on 03/17/1944
(146) 16.80 ft on 06/17/2001
(147) 16.80 ft on 04/28/1971
(148) 16.80 ft on 07/20/1881
(149) 16.80 ft on 05/28/1893
(150) 16.80 ft on 07/06/1943
(151) 16.70 ft on 05/20/1881
(152) 16.67 ft on 05/02/2014
(153) 16.66 ft on 10/03/1926
(154) 16.65 ft on 02/22/2011
(155) 16.60 ft on 11/17/1961
(156) 16.60 ft on 03/30/1953
(157) 16.60 ft on 07/23/1902
(158) 16.60 ft on 04/01/1897
(159) 16.60 ft on 03/29/1920
(160) 16.53 ft on 08/02/2011
(161) 16.50 ft on 07/02/1954
(162) 16.50 ft on 07/10/1909
(163) 16.50 ft on 04/04/1927
(164) 16.48 ft on 02/18/2011
(165) 16.45 ft on 05/29/1916
(166) 16.44 ft on 04/14/2005
(167) 16.43 ft on 01/03/2010
(168) 16.40 ft on 04/06/1959
(169) 16.30 ft on 09/16/1961
(170) 16.30 ft on 03/10/1943
(171) 16.30 ft on 04/27/1950
(172) 16.29 ft on 05/09/2007
(173) 16.25 ft on 03/22/1919
(174) 16.20 ft on 01/07/2010
(175) 16.20 ft on 07/18/2015
(176) 16.20 ft on 06/18/1967
(177) 16.20 ft on 04/02/1959
(178) 16.20 ft on 04/22/1916
(179) 16.20 ft on 06/04/1935
(180) 16.20 ft on 04/19/1945
(181) 16.18 ft on 03/29/2009
(182) 16.12 ft on 07/31/2008
(183) 16.11 ft on 07/26/2008
(184) 16.10 ft on 08/05/1915
(185) 16.10 ft on 05/03/1917
(186) 16.10 ft on 05/17/1893
(187) 16.06 ft on 06/26/2009
(188) 16.06 ft on 03/24/2008
(189) 16.06 ft on 02/18/2008
(190) 16.05 ft on 05/26/1916
(191) 16.05 ft on 05/18/2020
(192) 16.05 ft on 04/22/2017
(193) 16.00 ft on 05/19/1954
(194) 15.51 ft on 04/18/2006

(P): Preliminary values subject to further review.