Historic Crests
(1) 33.50 ft on 08/01/1875
(2) 32.95 ft on 06/09/2008
(3) 31.70 ft on 03/27/1913
(4) 30.73 ft on 01/08/2005
(5) 30.20 ft on 01/17/1937
(6) 30.05 ft on 11/18/1993
(7) 30.00 ft on 05/21/1943
(8) 29.50 ft on 01/07/1950
(9) 29.43 ft on 01/02/1991
(10) 28.54 ft on 04/22/2013
(11) 28.30 ft on 05/16/2002
(12) 28.10 ft on 09/06/2003
(13) 27.62 ft on 01/25/1999
(14) 27.43 ft on 05/08/2017
(15) 27.42 ft on 01/16/2005
(16) 27.37 ft on 04/06/2018
(17) 27.27 ft on 01/07/2004
(18) 27.09 ft on 01/17/2013
(19) 26.86 ft on 03/08/2011
(20) 26.85 ft on 01/18/2007
(21) 26.77 ft on 03/22/2008
(22) 26.76 ft on 04/23/2011
(23) 26.72 ft on 12/25/2013
(24) 26.70 ft on 06/18/1998
(25) 26.62 ft on 03/14/2006
(26) 26.60 ft on 05/02/1996
(27) 26.48 ft on 02/10/2019
(28) 26.04 ft on 04/07/2014
(29) 26.00 ft on 02/10/2008
(30) 25.83 ft on 07/14/2003
(31) 25.78 ft on 04/14/1994
(32) 25.70 ft on 11/16/1992
(33) 25.38 ft on 01/01/2016
(34) 25.13 ft on 02/27/2018
(35) 25.10 ft on 05/21/1995
(36) 25.08 ft on 02/15/2009
(37) 24.98 ft on 05/31/1996
(38) 24.95 ft on 07/17/2015
(39) 24.89 ft on 05/12/1996
(40) 24.75 ft on 05/07/1996
(41) 24.54 ft on 06/20/2019
(42) 24.42 ft on 03/04/1997
(43) 24.41 ft on 12/20/2001
(44) 24.40 ft on 05/15/2003
(45) 24.37 ft on 01/31/1994
(46) 24.19 ft on 12/04/2006
(47) 24.17 ft on 07/15/2017
(48) 23.87 ft on 10/08/2000
(49) 23.60 ft on 01/08/1993
(50) 23.55 ft on 06/28/2010
(51) 23.30 ft on 04/12/2015
(52) 23.24 ft on 01/25/1997
(53) 23.07 ft on 04/26/1996
(54) 23.04 ft on 08/20/1993
(55) 22.96 ft on 07/03/2015
(56) 22.81 ft on 10/27/2001
(57) 22.77 ft on 01/23/2017
(58) 22.73 ft on 04/29/2019
(59) 22.62 ft on 06/20/2004
(60) 22.47 ft on 03/07/1993
(61) 22.40 ft on 03/17/1997
(62) 22.25 ft on 03/23/1998
(63) 22.08 ft on 04/18/1993
(64) 22.00 ft on 01/26/2019
(65) 21.97 ft on 09/11/2018
(66) 21.86 ft on 04/14/2016
(67) 21.83 ft on 03/15/2015
(68) 21.83 ft on 04/17/1998
(69) 21.60 ft on 01/12/2008
(70) 21.50 ft on 09/05/1993
(71) 21.15 ft on 04/22/2015
(72) 21.12 ft on 12/06/1993
(73) 20.98 ft on 03/10/1995
(74) 20.90 ft on 11/26/1992
(75) 20.84 ft on 03/12/2019
(76) 20.66 ft on 12/27/1996
(77) 20.55 ft on 05/11/1998
(78) 20.22 ft on 05/18/1996
(79) 20.08 ft on 04/14/1998
(80) 20.03 ft on 01/25/1996
(81) 20.00 ft on 11/04/2018
(82) 19.95 ft on 05/02/1998
(83) 19.93 ft on 01/24/1996
(84) 19.89 ft on 06/07/1997
(85) 19.82 ft on 02/06/1997
(86) 19.75 ft on 06/09/1997
(87) 19.67 ft on 02/26/2016
(88) 19.64 ft on 06/13/1996
(89) 19.63 ft on 06/04/1997
(90) 19.60 ft on 04/12/1993
(91) 19.50 ft on 11/28/1993
(92) 19.42 ft on 03/26/1996
(93) 19.18 ft on 12/07/2014
(94) 19.03 ft on 01/25/1993
(95) 19.00 ft on 11/05/1992
(96) 18.82 ft on 01/20/1996
(97) 18.81 ft on 05/24/2019
(98) 18.14 ft on 08/17/2016
(99) 18.01 ft on 06/28/2017
(100) 17.71 ft on 04/02/1993
(101) 17.70 ft on 03/25/1993
(102) 17.68 ft on 09/27/1993
(103) 17.60 ft on 01/07/1997
(104) 17.60 ft on 06/24/1992
(105) 17.58 ft on 11/10/1996
(106) 17.25 ft on 04/25/1995
(107) 16.95 ft on 07/07/1993
(108) 16.89 ft on 05/09/1994
(109) 16.70 ft on 10/02/1993
(110) 16.48 ft on 04/22/1995
(111) 14.67 ft on 08/10/1995

(P): Preliminary values subject to further review.