Historic Crests
(1) 47.50 ft on 03/29/1913
(2) 37.20 ft on 01/24/1937
(3) 34.65 ft on 01/09/2005
(4) 34.60 ft on 05/11/1961
(5) 33.75 ft on 03/09/1945
(6) 33.08 ft on 01/08/1950
(7) 32.90 ft on 01/08/1949
(8) 32.90 ft on 01/25/1959
(9) 32.45 ft on 05/03/1996
(10) 32.30 ft on 03/13/1964
(11) 32.18 ft on 03/22/1943
(12) 32.02 ft on 02/17/1950
(13) 31.29 ft on 03/22/2008
(14) 30.90 ft on 03/16/2006
(15) 30.85 ft on 04/25/2011
(16) 30.60 ft on 05/29/1968
(17) 30.52 ft on 01/27/1949
(18) 30.45 ft on 06/10/2008
(19) 29.90 ft on 04/23/1940
(20) 29.20 ft on 01/08/2004
(21) 29.20 ft on 05/14/2002
(22) 29.10 ft on 11/21/1993
(23) 29.00 ft on 02/12/2019
(24) 29.00 ft on 05/20/1990
(25) 29.00 ft on 01/03/1991
(26) 28.72 ft on 04/15/1944
(27) 28.70 ft on 05/06/1983
(28) 28.60 ft on 06/22/2019
(29) 28.60 ft on 02/04/1982
(30) 28.60 ft on 02/28/2018
(31) 28.40 ft on 07/18/2015
(32) 27.63 ft on 05/26/1957
(33) 27.60 ft on 12/27/2013
(34) 27.50 ft on 03/19/1978
(35) 27.50 ft on 04/07/2018
(36) 27.30 ft on 02/28/1979
(37) 27.30 ft on 06/05/1997
(38) 27.22 ft on 04/08/2014
(39) 27.01 ft on 01/19/2007
(40) 27.00 ft on 12/21/2001
(41) 27.00 ft on 05/09/1996
(42) 26.30 ft on 03/24/2020 (P)
(43) 26.25 ft on 04/09/1957
(44) 26.20 ft on 04/19/1998
(45) 26.16 ft on 01/31/1952
(46) 26.14 ft on 06/07/1947
(47) 25.92 ft on 02/25/1951
(48) 25.80 ft on 03/10/2011
(49) 25.70 ft on 03/30/2023 (P)
(50) 25.70 ft on 03/31/1949
(51) 25.50 ft on 01/01/2016
(52) 25.40 ft on 05/14/1996
(53) 25.29 ft on 01/30/1950
(54) 25.00 ft on 03/17/2015
(55) 25.00 ft on 04/04/1985
(56) 25.00 ft on 04/04/1989
(57) 25.00 ft on 05/10/2017
(58) 24.85 ft on 02/19/1949
(59) 24.80 ft on 05/23/1995
(60) 24.50 ft on 01/17/2005
(61) 24.50 ft on 01/27/1999
(62) 24.43 ft on 04/08/1950
(63) 24.27 ft on 03/09/2008
(64) 24.20 ft on 04/16/1948
(65) 24.05 ft on 06/02/1956
(66) 23.70 ft on 04/16/1994
(67) 23.50 ft on 04/25/2019
(68) 23.48 ft on 03/24/1945
(69) 23.38 ft on 02/11/2008
(70) 22.99 ft on 03/31/1948
(71) 22.81 ft on 06/23/1945
(72) 22.79 ft on 08/10/2009
(73) 22.60 ft on 04/27/1984
(74) 22.40 ft on 11/30/1979
(75) 22.30 ft on 02/06/1988
(76) 22.24 ft on 05/05/1947
(77) 22.00 ft on 08/07/1979
(78) 22.00 ft on 12/07/2006
(79) 22.00 ft on 08/07/1979
(80) 22.00 ft on 02/01/1994
(81) 22.00 ft on 04/17/1998
(82) 21.90 ft on 12/08/1950
(83) 21.80 ft on 03/05/2021 (P)
(84) 21.80 ft on 03/06/1997
(85) 21.55 ft on 06/20/2010
(86) 21.53 ft on 04/07/1945
(87) 21.50 ft on 01/20/1951
(88) 21.50 ft on 01/18/2013
(89) 21.40 ft on 01/24/1996
(90) 21.19 ft on 03/26/1952
(91) 21.12 ft on 03/31/1950
(92) 21.00 ft on 02/29/2016
(93) 21.00 ft on 03/18/2016
(94) 21.00 ft on 02/21/1990
(95) 20.90 ft on 04/28/1996
(96) 20.70 ft on 02/22/1982
(97) 20.70 ft on 05/19/1995
(98) 20.30 ft on 11/20/1985
(99) 20.20 ft on 04/14/1942
(100) 20.20 ft on 03/05/1955
(101) 20.00 ft on 01/25/2017
(102) 20.00 ft on 03/09/1993
(103) 20.00 ft on 06/13/1996
(104) 19.92 ft on 03/15/1952
(105) 19.90 ft on 11/25/1950
(106) 19.90 ft on 02/10/1986
(107) 19.90 ft on 06/01/1996
(108) 19.73 ft on 11/22/1955
(109) 19.70 ft on 10/29/2001
(110) 19.70 ft on 11/17/1985
(111) 19.60 ft on 05/11/2003
(112) 19.40 ft on 11/07/2018
(113) 19.40 ft on 02/11/1991
(114) 19.30 ft on 04/08/1956
(115) 19.30 ft on 04/11/1988
(116) 19.00 ft on 01/28/1997
(117) 18.93 ft on 02/18/1946
(118) 18.91 ft on 05/22/1947
(119) 18.90 ft on 12/14/1951
(120) 18.87 ft on 07/09/1957
(121) 18.50 ft on 09/15/2018
(122) 18.23 ft on 03/25/1955
(123) 18.20 ft on 04/26/1995
(124) 18.20 ft on 04/24/1996
(125) 18.00 ft on 03/06/2017
(126) 17.75 ft on 02/16/2009
(127) 17.62 ft on 03/02/1956
(128) 17.57 ft on 03/22/1951
(129) 17.51 ft on 04/20/1945
(130) 17.42 ft on 05/23/1943
(131) 17.40 ft on 04/13/2000
(132) 17.34 ft on 12/20/1948
(133) 17.30 ft on 07/14/2003
(134) 17.30 ft on 01/06/2003
(135) 17.30 ft on 06/19/2017
(136) 17.20 ft on 03/28/1996
(137) 17.10 ft on 01/08/1951
(138) 17.08 ft on 02/06/1956
(139) 17.00 ft on 05/01/1994
(140) 17.00 ft on 05/04/1994
(141) 17.00 ft on 03/26/1996
(142) 16.47 ft on 03/14/1949
(143) 16.40 ft on 04/15/1993
(144) 16.32 ft on 05/21/1953
(145) 16.21 ft on 03/15/1942
(146) 16.20 ft on 06/24/2015
(147) 16.18 ft on 04/16/1951
(148) 16.13 ft on 01/06/1952
(149) 16.08 ft on 04/27/1944
(150) 16.06 ft on 05/21/1945
(151) 16.05 ft on 02/04/1947
(152) 15.70 ft on 12/31/1945
(153) 15.70 ft on 07/04/1957
(154) 15.48 ft on 03/19/1945
(155) 15.48 ft on 03/08/1953
(156) 15.45 ft on 02/12/1942
(157) 15.40 ft on 08/21/2016
(158) 15.00 ft on 02/21/1942
(159) 15.00 ft on 02/19/1948
(160) 14.70 ft on 04/08/1952
(161) 14.60 ft on 05/11/1994
(162) 13.90 ft on 08/11/1995
(163) 13.70 ft on 06/26/1956
(164) 13.38 ft on 04/16/1952
(165) 10.00 ft on 06/12/1941
(166) 7.49 ft on 04/11/1954

(P): Preliminary values subject to further review.