Historic Crests
(1) 49.58 ft on 08/01/1993
(2) 46.02 ft on 06/09/2019
(3) 43.23 ft on 04/28/1973
(4) 42.52 ft on 01/01/2016
(5) 42.00 ft on 04/01/1785
(6) 41.89 ft on 05/22/1995
(7) 41.70 ft on 05/06/2017
(8) 41.32 ft on 06/27/1844
(9) 40.52 ft on 06/04/2013
(10) 40.30 ft on 07/02/1947
(11) 40.28 ft on 07/21/1951
(12) 39.27 ft on 12/07/1982
(13) 39.20 ft on 05/04/1983
(14) 39.14 ft on 04/30/1944
(15) 39.13 ft on 10/09/1986
(16) 38.94 ft on 05/24/1943
(17) 38.91 ft on 10/01/1993
(18) 38.67 ft on 07/01/2008
(19) 38.45 ft on 07/01/2015
(20) 38.00 ft on 06/10/1903
(21) 37.79 ft on 04/14/1979
(22) 37.34 ft on 05/17/2002
(23) 36.72 ft on 09/18/2008
(24) 36.61 ft on 04/15/1994
(25) 36.60 ft on 04/17/1993
(26) 36.60 ft on 06/10/1851
(27) 36.50 ft on 04/10/1983
(28) 36.10 ft on 04/26/1927
(29) 36.00 ft on 05/19/1892
(30) 35.45 ft on 04/25/2013
(31) 35.35 ft on 06/02/1996
(32) 35.30 ft on 06/13/1945
(33) 35.30 ft on 04/21/1945
(34) 35.25 ft on 07/16/1909
(35) 35.18 ft on 06/28/2010
(36) 34.95 ft on 06/20/1908
(37) 34.93 ft on 05/01/2011
(38) 34.90 ft on 06/26/1943
(39) 34.83 ft on 05/20/2010
(40) 34.80 ft on 06/25/1883
(41) 34.79 ft on 06/10/2001
(42) 34.63 ft on 03/27/1948
(43) 34.60 ft on 04/28/1929
(44) 34.48 ft on 06/30/1942
(45) 34.40 ft on 02/28/1985
(46) 34.30 ft on 04/28/1947
(47) 34.02 ft on 04/24/1984
(48) 33.95 ft on 04/20/1922
(49) 33.89 ft on 07/02/2011
(50) 33.83 ft on 04/29/1952
(51) 33.80 ft on 05/16/1996
(52) 33.78 ft on 04/10/1960
(53) 33.65 ft on 05/05/1881
(54) 33.60 ft on 04/29/1904
(55) 33.52 ft on 06/07/1935
(56) 33.50 ft on 03/08/1985
(57) 33.36 ft on 04/17/1998
(58) 33.24 ft on 05/21/2009
(59) 33.20 ft on 05/21/1929
(60) 33.20 ft on 05/11/1961
(61) 33.18 ft on 05/18/1990
(62) 33.16 ft on 05/30/2011
(63) 33.09 ft on 11/22/1985
(64) 33.03 ft on 03/29/2010
(65) 33.00 ft on 06/08/1929
(66) 33.00 ft on 05/24/1974
(67) 32.90 ft on 06/14/1917
(68) 32.77 ft on 11/02/2009
(69) 32.63 ft on 10/16/2018
(70) 32.62 ft on 05/08/1999
(71) 32.40 ft on 04/03/1945
(72) 32.39 ft on 07/05/1882
(73) 32.30 ft on 10/16/1969
(74) 32.29 ft on 07/25/2010
(75) 32.28 ft on 03/01/1997
(76) 32.22 ft on 05/04/2009
(77) 32.15 ft on 10/13/2019
(78) 32.10 ft on 05/22/1945
(79) 32.00 ft on 05/10/1876
(80) 31.95 ft on 04/06/1998
(81) 31.94 ft on 06/01/2020
(82) 31.76 ft on 05/25/2017
(83) 31.70 ft on 06/05/1982
(84) 31.60 ft on 06/24/1915
(85) 31.60 ft on 05/03/1893
(86) 31.53 ft on 04/13/2008
(87) 31.48 ft on 05/07/1984
(88) 31.46 ft on 03/21/2021 (P)
(89) 31.45 ft on 04/26/1862
(90) 31.40 ft on 01/31/1916
(91) 31.30 ft on 07/23/1915
(92) 31.30 ft on 06/04/1915
(93) 31.20 ft on 04/16/1944
(94) 31.14 ft on 06/02/1973
(95) 31.13 ft on 06/03/1974
(96) 31.10 ft on 06/25/1990
(97) 31.10 ft on 07/09/1892
(98) 31.00 ft on 05/03/1994
(99) 31.00 ft on 04/22/1969
(100) 30.99 ft on 07/11/2014
(101) 30.95 ft on 04/28/2008
(102) 30.90 ft on 05/02/1897
(103) 30.89 ft on 05/19/1970
(104) 30.80 ft on 06/09/1929
(105) 30.80 ft on 04/18/1947
(106) 30.80 ft on 05/08/1951
(107) 30.80 ft on 04/05/1912
(108) 30.80 ft on 04/20/1997
(109) 30.79 ft on 03/21/2008
(110) 30.74 ft on 05/14/2008
(111) 30.73 ft on 08/02/2008
(112) 30.70 ft on 05/02/1969
(113) 30.65 ft on 06/14/1974
(114) 30.62 ft on 05/21/2001
(115) 30.60 ft on 05/07/1979
(116) 30.60 ft on 06/28/1984
(117) 30.60 ft on 06/28/1985
(118) 30.60 ft on 05/30/1990
(119) 30.59 ft on 01/13/2020
(120) 30.53 ft on 04/12/1984
(121) 30.50 ft on 04/12/1929
(122) 30.50 ft on 06/15/1984
(123) 30.49 ft on 07/01/1967
(124) 30.44 ft on 04/29/2010
(125) 30.44 ft on 09/28/1965
(126) 30.41 ft on 03/22/2020
(127) 30.40 ft on 05/24/1986
(128) 30.40 ft on 08/22/1915
(129) 30.38 ft on 03/27/1978
(130) 30.34 ft on 03/25/2020
(131) 30.32 ft on 12/20/2015
(132) 30.30 ft on 06/24/1998
(133) 30.30 ft on 04/30/1912
(134) 30.24 ft on 04/05/2010
(135) 30.20 ft on 04/08/1993
(136) 30.20 ft on 09/21/1905
(137) 30.18 ft on 03/25/1962
(138) 30.15 ft on 06/10/2015
(139) 30.13 ft on 04/20/1939
(140) 30.12 ft on 03/18/2010
(141) 30.10 ft on 07/07/1876
(142) 30.10 ft on 04/24/1979
(143) 30.10 ft on 08/05/1915
(144) 30.00 ft on 05/31/1916
(145) 30.00 ft on 05/21/1981
(146) 29.95 ft on 04/27/1975
(147) 29.80 ft on 08/03/1875
(148) 29.31 ft on 07/24/1869
(149) 29.30 ft on 05/11/2007
(150) 28.80 ft on 01/07/2005
(151) 28.19 ft on 05/29/2004
(152) 27.24 ft on 03/16/2009
(153) 25.43 ft on 06/29/2000
(154) 25.00 ft on 05/12/2003
(155) 19.02 ft on 05/05/2006

(P): Preliminary values subject to further review.