Historic Crests
(1) 687.10 ft on 02/20/1981
(2) 685.90 ft on 06/29/2015
(3) 685.62 ft on 12/01/2011
(4) 685.40 ft on 03/12/2009
(5) 685.10 ft on 02/08/2008
(6) 684.19 ft on 02/22/2018
(7) 684.12 ft on 07/05/2008
(8) 684.10 ft on 02/20/1998
(9) 684.00 ft on 01/25/2000
(10) 683.98 ft on 04/29/2011
(11) 683.80 ft on 01/11/2008
(12) 683.80 ft on 05/03/2019
(13) 683.65 ft on 01/15/2005
(14) 683.50 ft on 06/20/1996
(15) 683.50 ft on 05/13/2002
(16) 683.22 ft on 02/13/2009
(17) 683.20 ft on 02/11/2001
(18) 682.90 ft on 03/08/2011
(19) 682.54 ft on 06/23/2006
(20) 682.50 ft on 02/23/1997
(21) 681.63 ft on 01/07/2007
(22) 681.30 ft on 02/25/1985
(23) 681.18 ft on 12/03/2006
(24) 681.00 ft on 01/06/1993
(25) 680.59 ft on 05/04/1983
(26) 680.00 ft on 03/25/1993
(27) 679.60 ft on 11/18/2006
(28) 679.50 ft on 02/14/1984
(29) 679.00 ft on 11/15/1992
(30) 679.00 ft on 04/16/1983
(31) 678.80 ft on 06/04/1989
(32) 678.49 ft on 04/01/1985
(33) 678.40 ft on 10/19/2006
(34) 678.05 ft on 12/14/1983
(35) 678.00 ft on 03/12/1986
(36) 677.30 ft on 01/02/1985
(37) 674.35 ft on 07/24/2007

(P): Preliminary values subject to further review.