Historic Crests
(1) 1,446.96 ft on 04/12/1969
(2) 1,446.30 ft on 04/23/1979
(3) 1,446.14 ft on 04/04/1976
(4) 1,446.10 ft on 04/17/1974
(5) 1,445.97 ft on 07/11/2005
(6) 1,445.74 ft on 04/29/1975
(7) 1,445.44 ft on 04/12/2011
(8) 1,445.42 ft on 04/11/1999
(9) 1,445.08 ft on 04/14/1996
(10) 1,445.00 ft on 05/10/1999
(11) 1,444.99 ft on 03/27/1995
(12) 1,444.57 ft on 04/12/2009
(13) 1,444.43 ft on 04/10/2001
(14) 1,444.27 ft on 04/03/2006
(15) 1,444.23 ft on 04/09/1960
(16) 1,444.05 ft on 04/07/1989
(17) 1,443.64 ft on 03/25/1972
(18) 1,443.27 ft on 07/12/2014
(19) 1,443.25 ft on 04/05/1997
(20) 1,443.15 ft on 03/30/1987
(21) 1,443.00 ft on 04/16/1971
(22) 1,442.93 ft on 04/17/1982
(23) 1,442.61 ft on 06/15/1999
(24) 1,442.60 ft on 04/03/1998
(25) 1,442.60 ft on 04/07/1983
(26) 1,442.52 ft on 06/17/2004
(27) 1,442.48 ft on 04/05/1998
(28) 1,441.89 ft on 03/17/1992
(29) 1,441.80 ft on 06/29/2010
(30) 1,441.28 ft on 03/28/1994
(31) 1,441.23 ft on 08/08/2001
(32) 1,441.20 ft on 03/25/1966
(33) 1,441.15 ft on 08/28/1968
(34) 1,441.09 ft on 05/16/1970
(35) 1,440.89 ft on 04/08/1978
(36) 1,440.88 ft on 04/06/1967
(37) 1,440.79 ft on 08/12/1965
(38) 1,440.73 ft on 05/08/2013
(39) 1,440.38 ft on 03/21/2015
(40) 1,440.02 ft on 04/08/2005
(41) 1,439.85 ft on 04/08/2004
(42) 1,439.04 ft on 03/12/2016
(43) 1,438.97 ft on 05/19/2000
(44) 1,438.18 ft on 03/18/2012
(45) 1,436.27 ft on 03/29/2007

(P): Preliminary values subject to further review.