Historic Crests
(1) 30.16 ft on 04/30/2017 (P)
(2) 28.64 ft on 12/28/2015
(3) 28.60 ft on 04/26/2011
(4) 25.96 ft on 07/25/1960
(5) 25.19 ft on 05/24/2011
(6) 25.08 ft on 05/03/1990
(7) 24.73 ft on 03/19/2008
(8) 24.73 ft on 04/03/1957
(9) 24.47 ft on 10/01/1986
(10) 24.32 ft on 05/07/1961
(11) 24.11 ft on 10/06/2019
(12) 23.97 ft on 04/28/2021 (P)
(13) 23.96 ft on 11/25/1973
(14) 22.91 ft on 06/16/1982
(15) 22.77 ft on 04/10/2008
(16) 22.73 ft on 04/24/2004
(17) 22.38 ft on 04/20/1976
(18) 22.00 ft on 06/22/2000
(19) 22.00 ft on 03/20/2020 (P)
(20) 22.00 ft on 10/09/2009
(21) 21.99 ft on 06/09/1974
(22) 21.94 ft on 11/19/1985
(23) 21.93 ft on 05/23/1957
(24) 21.90 ft on 01/30/1969
(25) 21.86 ft on 05/25/1957
(26) 21.83 ft on 12/26/1987
(27) 21.70 ft on 01/05/1998
(28) 21.70 ft on 02/24/2018
(29) 21.56 ft on 05/06/1960
(30) 21.50 ft on 11/04/1974
(31) 21.40 ft on 06/29/2000
(32) 21.21 ft on 04/08/1986
(33) 21.01 ft on 02/23/1985
(34) 20.79 ft on 12/15/1992
(35) 20.76 ft on 04/12/1979
(36) 20.60 ft on 07/01/1999
(37) 20.55 ft on 05/20/1961
(38) 20.54 ft on 02/09/1966
(39) 20.54 ft on 03/24/1978
(40) 20.50 ft on 12/21/1984
(41) 20.48 ft on 10/27/1970
(42) 20.10 ft on 09/27/1996
(43) 19.99 ft on 06/24/2019
(44) 19.58 ft on 04/27/2017 (P)
(45) 19.58 ft on 04/27/2017
(46) 19.52 ft on 03/30/1985
(47) 19.41 ft on 04/22/2017 (P)
(48) 19.37 ft on 05/01/1970
(49) 19.28 ft on 06/19/2015
(50) 19.25 ft on 02/21/1997
(51) 19.24 ft on 05/08/1995
(52) 19.21 ft on 03/15/1990
(53) 19.10 ft on 11/07/1996
(54) 19.10 ft on 08/14/1961
(55) 19.10 ft on 02/24/2001
(56) 19.00 ft on 01/01/1985
(57) 19.00 ft on 01/31/1982
(58) 18.94 ft on 04/08/2002
(59) 18.89 ft on 09/19/1975
(60) 18.79 ft on 12/04/1973
(61) 18.77 ft on 05/10/2013
(62) 18.76 ft on 12/03/1982
(63) 18.76 ft on 10/03/1982
(64) 18.74 ft on 05/08/1978
(65) 18.53 ft on 07/03/2004
(66) 18.49 ft on 02/23/1975
(67) 18.47 ft on 12/20/1987
(68) 18.42 ft on 04/01/2008
(69) 18.28 ft on 03/11/1973
(70) 18.25 ft on 07/12/1958
(71) 18.23 ft on 12/28/1968
(72) 18.00 ft on 03/29/1988
(73) 17.90 ft on 03/28/2018
(74) 17.90 ft on 01/11/2020
(75) 17.82 ft on 05/17/1957
(76) 17.80 ft on 12/17/2001
(77) 17.73 ft on 05/05/1961
(78) 17.70 ft on 11/25/1996
(79) 17.48 ft on 06/07/2019
(80) 17.45 ft on 04/23/1973
(81) 17.35 ft on 02/02/1968
(82) 17.32 ft on 05/20/2017 (P)
(83) 17.29 ft on 05/10/1993
(84) 17.28 ft on 04/21/1974
(85) 17.26 ft on 12/01/2006
(86) 17.11 ft on 07/13/1972
(87) 17.06 ft on 11/07/2019 (P)
(88) 17.00 ft on 06/18/2000
(89) 16.97 ft on 11/04/1960
(90) 16.88 ft on 11/08/2019 (P)
(91) 16.81 ft on 06/10/1995
(92) 16.79 ft on 04/20/1995
(93) 16.69 ft on 05/01/2019
(94) 16.63 ft on 10/11/2019
(95) 16.39 ft on 03/23/1975
(96) 16.33 ft on 01/06/2005
(97) 16.26 ft on 11/14/1993
(98) 16.25 ft on 09/14/2008
(99) 16.22 ft on 03/18/1987
(100) 16.14 ft on 06/03/1973
(101) 16.13 ft on 04/15/1993
(102) 16.07 ft on 06/07/1992
(103) 15.80 ft on 04/14/1987
(104) 15.79 ft on 05/04/2018
(105) 15.64 ft on 03/24/1969
(106) 15.54 ft on 01/13/2005
(107) 15.54 ft on 03/25/1973
(108) 15.48 ft on 01/14/1995
(109) 15.46 ft on 07/23/1959
(110) 15.40 ft on 02/17/2008
(111) 15.16 ft on 12/11/1971
(112) 15.11 ft on 05/24/2015
(113) 15.08 ft on 05/21/1960
(114) 15.01 ft on 02/16/1990
(115) 14.99 ft on 09/29/1977
(116) 14.92 ft on 03/05/1959
(117) 14.90 ft on 03/20/1998
(118) 14.89 ft on 02/08/1973
(119) 14.79 ft on 01/14/2007
(120) 14.57 ft on 04/06/1965
(121) 14.56 ft on 05/25/2015
(122) 14.50 ft on 03/19/1975
(123) 14.49 ft on 04/24/2008
(124) 14.40 ft on 10/30/2009
(125) 14.34 ft on 09/15/1993
(126) 14.33 ft on 03/15/2020 (P)
(127) 14.24 ft on 03/21/1968
(128) 14.20 ft on 03/28/1977
(129) 14.16 ft on 04/14/1991
(130) 14.15 ft on 03/12/1990
(131) 14.04 ft on 10/25/2019 (P)
(132) 14.00 ft on 04/17/1990
(133) 13.82 ft on 05/03/1958
(134) 13.77 ft on 04/15/1972
(135) 13.73 ft on 03/19/1984
(136) 13.70 ft on 05/11/1996
(137) 13.68 ft on 05/04/1979
(138) 13.68 ft on 12/01/2019
(139) 13.49 ft on 02/14/1989
(140) 13.48 ft on 07/10/2015
(141) 13.42 ft on 05/04/2009
(142) 13.38 ft on 05/24/1966
(143) 13.30 ft on 05/26/2020 (P)
(144) 13.30 ft on 06/02/1957
(145) 13.28 ft on 07/02/1968
(146) 13.23 ft on 11/28/2015
(147) 13.20 ft on 04/04/1986
(148) 13.20 ft on 04/04/1987
(149) 13.15 ft on 08/08/1958
(150) 13.08 ft on 08/09/2013
(151) 13.05 ft on 05/15/1956
(152) 13.04 ft on 07/08/2015
(153) 13.00 ft on 03/04/2008
(154) 12.99 ft on 03/30/2018
(155) 12.98 ft on 07/10/2015
(156) 12.97 ft on 08/01/1962
(157) 12.90 ft on 12/21/1991
(158) 12.83 ft on 06/10/1957
(159) 12.75 ft on 03/03/1988
(160) 12.61 ft on 04/21/1990
(161) 12.47 ft on 07/01/1981
(162) 12.37 ft on 05/02/2011
(163) 12.34 ft on 06/05/1985
(164) 12.22 ft on 02/21/2018
(165) 12.20 ft on 02/15/1989
(166) 12.13 ft on 03/24/1958
(167) 11.70 ft on 09/29/1986
(168) 11.55 ft on 09/17/1986
(169) 11.33 ft on 12/14/1984
(170) 11.32 ft on 11/18/1957
(171) 11.25 ft on 04/23/1957
(172) 11.18 ft on 11/08/1957
(173) 11.12 ft on 05/27/1990
(174) 11.07 ft on 07/29/1958
(175) 10.97 ft on 01/20/1990
(176) 10.68 ft on 05/21/2011
(177) 10.55 ft on 01/22/1957
(178) 10.40 ft on 02/07/1958
(179) 10.03 ft on 04/26/1957
(180) 9.69 ft on 10/08/1962
(181) 8.98 ft on 05/11/1964
(182) 8.21 ft on 04/14/1967
(183) 7.71 ft on 03/30/1980

(P): Preliminary values subject to further review.