Historic Crests
(1) 613.50 ft on 03/25/1913
(2) 612.20 ft on 06/07/2008
(3) 611.70 ft on 01/06/2005
(4) 611.70 ft on 09/03/2003
(5) 610.60 ft on 11/18/1993
(6) 610.60 ft on 12/31/1990
(7) 610.20 ft on 04/20/1964
(8) 610.20 ft on 04/20/2013
(9) 610.20 ft on 11/15/1993
(10) 609.30 ft on 01/14/2005
(11) 609.30 ft on 06/16/1998
(12) 608.50 ft on 01/14/2013
(13) 608.40 ft on 01/23/1999
(14) 608.34 ft on 05/14/2002
(15) 608.00 ft on 07/12/2003
(16) 607.50 ft on 03/05/2011
(17) 607.40 ft on 02/12/2009
(18) 607.40 ft on 03/02/2011
(19) 607.30 ft on 03/26/2007
(20) 607.20 ft on 07/14/2015
(21) 607.20 ft on 01/05/2004
(22) 607.20 ft on 01/15/2007
(23) 607.10 ft on 07/29/1979
(24) 607.00 ft on 12/22/2013
(25) 606.90 ft on 11/13/1992
(26) 606.90 ft on 06/23/2010
(27) 606.80 ft on 02/07/2008
(28) 606.80 ft on 04/29/1996
(29) 606.40 ft on 03/20/2008
(30) 606.30 ft on 04/05/2014
(31) 605.90 ft on 05/04/1996
(32) 605.90 ft on 04/12/1994
(33) 605.70 ft on 03/13/2006
(34) 605.70 ft on 06/17/2004
(35) 605.10 ft on 01/29/1994
(36) 604.80 ft on 05/28/1996
(37) 604.70 ft on 05/19/1995
(38) 604.70 ft on 12/01/2006
(39) 604.60 ft on 01/05/1993
(40) 604.50 ft on 05/10/1996
(41) 603.80 ft on 06/14/2004
(42) 603.80 ft on 06/22/1992
(43) 603.80 ft on 01/23/1997
(44) 603.50 ft on 03/05/1993
(45) 603.50 ft on 04/16/1993
(46) 603.43 ft on 03/21/1998
(47) 603.30 ft on 11/25/1992
(48) 603.30 ft on 08/17/1993
(49) 603.20 ft on 11/23/1992
(50) 603.00 ft on 12/24/1996
(51) 602.90 ft on 05/07/1996
(52) 602.90 ft on 04/24/1996
(53) 602.70 ft on 11/08/1996
(54) 602.70 ft on 10/15/2001
(55) 602.60 ft on 05/16/1996
(56) 602.40 ft on 11/04/1992
(57) 601.10 ft on 01/19/1996

(P): Preliminary values subject to further review.