Recent Crests
(1) 1,568.99 ft on 06/17/2021
(2) 1,568.34 ft on 12/09/2019
(3) 1,568.74 ft on 06/24/2018
(4) 1,573.51 ft on 04/05/2017
(5) 1,569.26 ft on 10/12/2015
(6) 1,575.23 ft on 04/20/2015
(7) 1,576.09 ft on 07/07/2014
(8) 1,576.41 ft on 04/21/2013
(9) 1,569.98 ft on 05/14/2012
(10) 1,584.44 ft on 06/25/2011
(11) 1,570.51 ft on 09/01/2010
(12) 1,569.89 ft on 04/14/2009
(13) 1,570.04 ft on 05/14/2007
(14) 1,572.39 ft on 04/07/2005
(15) 1,570.99 ft on 07/18/2004
(16) 1,575.81 ft on 05/06/2001
(17) 1,575.36 ft on 04/28/2001
(18) 1,573.96 ft on 03/25/2001
(19) 1,576.30 ft on 04/18/1999
(20) 1,574.43 ft on 05/13/1997
(21) 1,576.28 ft on 04/06/1997
(22) 1,572.04 ft on 05/25/1996
(23) 1,572.40 ft on 05/12/1996
(24) 1,574.85 ft on 04/20/1996
(25) 1,573.16 ft on 03/25/1996
(26) 1,572.62 ft on 06/28/1995
(27) 1,575.14 ft on 03/24/1995
(28) 1,571.60 ft on 04/12/1987
(29) 1,575.24 ft on 04/24/1983
(30) 1,576.67 ft on 04/22/1982
(31) 1,577.67 ft on 05/09/1979
(32) 1,579.17 ft on 04/17/1976
(33) 1,577.79 ft on 05/23/1975
(34) 1,576.82 ft on 04/23/1974
(35) 1,575.39 ft on 04/04/1972
(36) 1,573.10 ft on 04/22/1971
(37) 1,576.51 ft on 05/19/1970
(38) 1,577.84 ft on 04/17/1969
(39) 1,574.20 ft on 06/15/1965
(40) 1,572.25 ft on 04/14/1960
(41) 1,575.69 ft on 04/22/1956
(42) 1,576.20 ft on 04/21/1955
(43) 1,575.18 ft on 07/14/1953
(44) 1,575.98 ft on 04/14/1951
(45) 1,574.14 ft on 04/26/1950
(46) 1,576.79 ft on 05/16/1948
(47) 1,574.39 ft on 04/28/1947
(48) 1,576.50 ft on 04/25/1943

(P): Preliminary values subject to further review.