Historic Crests
(1) 33.15 ft on 06/23/1972
(2) 32.20 ft on 08/16/1940
(3) 31.43 ft on 09/07/1996
(4) 31.36 ft on 10/13/2018
(5) 30.91 ft on 04/17/1987
(6) 29.75 ft on 02/09/2020
(7) 29.34 ft on 09/24/1979
(8) 29.14 ft on 04/26/2017
(9) 29.13 ft on 05/23/2020
(10) 29.08 ft on 04/28/1978
(11) 28.87 ft on 03/31/1991
(12) 28.79 ft on 11/14/2020
(13) 28.26 ft on 03/22/2003
(14) 26.99 ft on 11/14/2009
(15) 26.95 ft on 03/16/1975
(16) 26.62 ft on 06/30/1995
(17) 26.53 ft on 03/06/1993
(18) 26.29 ft on 02/25/2019
(19) 26.08 ft on 03/30/1994
(20) 25.74 ft on 09/19/2018
(21) 25.64 ft on 01/27/2010
(22) 25.58 ft on 10/04/1989
(23) 25.40 ft on 10/17/1954
(24) 25.29 ft on 01/02/2007
(25) 24.97 ft on 04/30/1997
(26) 24.90 ft on 03/04/1994
(27) 24.72 ft on 03/14/1963
(28) 24.67 ft on 01/29/1998
(29) 24.57 ft on 11/14/2018
(30) 24.52 ft on 04/12/2003
(31) 24.48 ft on 10/12/1959
(32) 24.46 ft on 04/23/1992
(33) 24.30 ft on 12/30/1958
(34) 24.27 ft on 10/05/2015
(35) 23.65 ft on 12/26/2015
(36) 23.38 ft on 04/26/1993
(37) 23.29 ft on 12/17/2018
(38) 23.15 ft on 12/23/2018
(39) 23.11 ft on 08/13/1970
(40) 23.05 ft on 04/19/1998
(41) 22.97 ft on 01/19/2013
(42) 22.91 ft on 05/09/1998
(43) 22.80 ft on 10/01/2004
(44) 22.68 ft on 01/05/1992
(45) 22.63 ft on 01/21/1996
(46) 22.47 ft on 02/24/2003
(47) 22.46 ft on 02/02/1957
(48) 22.39 ft on 04/11/1980
(49) 22.31 ft on 12/30/2018
(50) 22.27 ft on 11/17/2018
(51) 22.19 ft on 04/30/1958
(52) 22.13 ft on 01/24/1954
(53) 22.12 ft on 03/26/1952
(54) 22.00 ft on 02/18/1998
(55) 21.98 ft on 01/10/1993
(56) 21.71 ft on 02/06/1998
(57) 21.56 ft on 10/01/2015
(58) 21.45 ft on 12/03/1996
(59) 21.38 ft on 02/07/2010
(60) 21.36 ft on 02/17/2021 (P)
(61) 21.35 ft on 10/02/2010
(62) 21.21 ft on 03/28/1993
(63) 21.19 ft on 08/14/1996
(64) 20.96 ft on 03/06/1991
(65) 20.95 ft on 04/12/1983
(66) 20.91 ft on 02/08/2004
(67) 20.87 ft on 01/16/1995
(68) 20.86 ft on 04/21/1998
(69) 20.65 ft on 01/13/2014
(70) 20.64 ft on 12/02/2020
(71) 20.61 ft on 03/05/1997
(72) 20.57 ft on 10/29/2010
(73) 20.50 ft on 04/10/1951
(74) 20.47 ft on 05/10/2008
(75) 20.35 ft on 02/05/2016
(76) 20.21 ft on 02/18/2016
(77) 20.17 ft on 09/10/2004
(78) 20.17 ft on 09/10/2004
(79) 20.00 ft on 03/26/1953
(80) 19.74 ft on 10/01/2000
(81) 19.18 ft on 03/29/2005
(82) 18.85 ft on 04/21/2015
(83) 18.50 ft on 03/26/2012
(84) 18.29 ft on 10/31/2020
(85) 18.02 ft on 03/31/2001
(86) 17.20 ft on 09/15/2006

(P): Preliminary values subject to further review.