Historic Crests
(1) 38.17 ft on 08/01/1993
(2) 33.12 ft on 04/28/1973
(3) 32.13 ft on 06/18/1844
(4) 30.94 ft on 06/04/2013
(5) 30.91 ft on 12/31/2015
(6) 30.80 ft on 06/29/2008
(7) 30.70 ft on 06/15/1858
(8) 30.40 ft on 05/29/1995
(9) 29.67 ft on 10/09/1986
(10) 29.58 ft on 05/06/2017
(11) 29.52 ft on 04/25/2013
(12) 29.51 ft on 06/30/2015
(13) 29.38 ft on 04/15/1979
(14) 29.00 ft on 05/24/1943
(15) 28.70 ft on 06/11/1903
(16) 28.65 ft on 07/02/1947
(17) 28.60 ft on 04/30/1944
(18) 28.30 ft on 04/10/1983
(19) 28.20 ft on 04/29/1993
(20) 28.10 ft on 05/16/2002
(21) 27.70 ft on 12/08/1982
(22) 27.55 ft on 05/05/1985
(23) 27.50 ft on 07/21/1951
(24) 26.70 ft on 06/02/1996
(25) 26.70 ft on 06/28/2010
(26) 26.60 ft on 03/08/1985
(27) 26.30 ft on 07/13/1969
(28) 26.00 ft on 07/11/2014
(29) 25.93 ft on 05/01/2011
(30) 25.81 ft on 04/18/1998
(31) 25.80 ft on 06/03/1974
(32) 25.73 ft on 05/18/1892
(33) 25.57 ft on 09/18/2008
(34) 25.19 ft on 05/19/2001
(35) 25.13 ft on 10/17/2018 (P)
(36) 24.92 ft on 05/20/2009
(37) 24.80 ft on 06/09/2001
(38) 24.46 ft on 06/26/1990
(39) 24.44 ft on 05/20/2010
(40) 24.03 ft on 03/29/2010
(41) 23.96 ft on 11/02/2009
(42) 23.86 ft on 03/01/1997
(43) 23.65 ft on 05/07/2008
(44) 23.40 ft on 11/22/1985
(45) 23.30 ft on 04/24/1984
(46) 23.20 ft on 03/24/1982
(47) 23.10 ft on 03/16/2009
(48) 23.05 ft on 05/04/1999
(49) 22.70 ft on 05/23/1986
(50) 22.70 ft on 04/22/1997
(51) 22.57 ft on 05/19/1970
(52) 22.41 ft on 05/12/1975
(53) 21.70 ft on 07/11/1998
(54) 21.52 ft on 05/08/1991
(55) 21.41 ft on 06/05/2004
(56) 21.40 ft on 05/21/1981
(57) 21.40 ft on 07/30/1981
(58) 21.20 ft on 06/12/1982
(59) 21.20 ft on 05/16/1978
(60) 21.11 ft on 04/28/2010
(61) 20.93 ft on 09/12/2018 (P)
(62) 20.86 ft on 03/31/1975
(63) 20.82 ft on 04/09/2017
(64) 20.80 ft on 07/01/1984
(65) 20.75 ft on 11/20/2009
(66) 20.55 ft on 03/20/2008
(67) 20.49 ft on 04/01/2009
(68) 20.39 ft on 08/02/2008
(69) 20.37 ft on 06/29/2000
(70) 20.24 ft on 07/08/2018
(71) 19.97 ft on 09/14/2014
(72) 19.90 ft on 05/29/2004
(73) 19.86 ft on 03/02/2011
(74) 19.83 ft on 04/16/2007
(75) 19.78 ft on 05/19/2018
(76) 19.70 ft on 02/28/2001
(77) 19.51 ft on 01/06/2010
(78) 19.42 ft on 03/15/2013
(79) 19.34 ft on 10/08/2016
(80) 19.33 ft on 12/03/2015
(81) 19.10 ft on 03/19/2001
(82) 19.10 ft on 06/10/2015
(83) 18.97 ft on 03/31/2007
(84) 18.92 ft on 01/26/2010
(85) 18.90 ft on 05/11/2007
(86) 18.74 ft on 05/19/2014
(87) 18.74 ft on 05/12/2003
(88) 18.70 ft on 06/11/2014
(89) 18.53 ft on 01/07/2005
(90) 18.47 ft on 08/30/2007
(91) 18.47 ft on 02/23/2011
(92) 18.29 ft on 04/02/2016
(93) 18.26 ft on 12/29/2009
(94) 18.26 ft on 06/27/2009
(95) 18.18 ft on 01/18/2009
(96) 18.09 ft on 04/22/2017
(97) 18.08 ft on 03/06/2011

(P): Preliminary values subject to further review.