Historic Crests
(1) 810.70 ft on 04/21/1997
(2) 810.26 ft on 05/30/2010
(3) 809.50 ft on 04/23/1996
(4) 809.07 ft on 04/06/2006
(5) 808.87 ft on 04/08/2001
(6) 808.80 ft on 08/15/1993
(7) 808.60 ft on 04/12/1999
(8) 808.51 ft on 04/03/2020 (P)
(9) 808.50 ft on 03/30/2017
(10) 808.47 ft on 04/11/2011
(11) 808.40 ft on 03/28/2009
(12) 808.37 ft on 03/29/2008
(13) 807.90 ft on 05/17/2004
(14) 807.80 ft on 06/02/1970
(15) 807.80 ft on 04/15/1969
(16) 807.78 ft on 11/09/2000
(17) 807.70 ft on 04/23/2014
(18) 807.50 ft on 06/27/1985
(19) 807.30 ft on 04/24/1979
(20) 807.29 ft on 05/01/2013
(21) 807.19 ft on 05/01/2022 (P)
(22) 807.16 ft on 04/11/2019
(23) 806.90 ft on 03/31/1986
(24) 806.80 ft on 06/26/2002
(25) 806.30 ft on 04/13/1978
(26) 806.20 ft on 04/25/1974
(27) 806.00 ft on 03/21/1995
(28) 806.00 ft on 03/16/2016
(29) 805.70 ft on 07/07/1975
(30) 805.20 ft on 04/21/1989
(31) 804.95 ft on 05/19/2015
(32) 804.67 ft on 04/20/2018
(33) 804.50 ft on 03/04/1998
(34) 804.10 ft on 04/10/1971
(35) 803.80 ft on 03/07/1983
(36) 803.37 ft on 03/29/2007
(37) 802.90 ft on 03/27/1987
(38) 802.76 ft on 04/14/2005
(39) 802.60 ft on 04/16/1972
(40) 802.00 ft on 04/02/1976
(41) 800.60 ft on 03/15/2012
(42) 797.59 ft on 06/13/2003
(43) 796.84 ft on 05/22/2021 (P)

(P): Preliminary values subject to further review.