Historic Crests
(1) 30.38 ft on 06/21/2011
(2) 28.00 ft on 04/01/1912
(3) 27.15 ft on 07/14/1975
(4) 26.60 ft on 03/08/1994
(5) 26.46 ft on 03/26/1978
(6) 26.10 ft on 06/26/1997
(7) 25.80 ft on 07/04/1997
(8) 25.40 ft on 03/03/1986
(9) 24.02 ft on 03/25/1997
(10) 23.91 ft on 03/20/2003
(11) 23.30 ft on 02/24/1997
(12) 23.19 ft on 03/19/1996
(13) 23.10 ft on 08/01/1997
(14) 22.90 ft on 06/19/1996
(15) 22.80 ft on 07/03/1996
(16) 22.76 ft on 04/08/1996
(17) 22.51 ft on 05/29/1997
(18) 22.50 ft on 12/28/1997
(19) 22.40 ft on 02/16/1996
(20) 22.26 ft on 07/26/1995
(21) 22.24 ft on 06/30/2008
(22) 22.12 ft on 03/19/1999
(23) 22.08 ft on 08/01/1995
(24) 21.79 ft on 06/22/1995
(25) 21.79 ft on 03/27/2004
(26) 21.66 ft on 09/03/1997
(27) 21.60 ft on 03/05/1999
(28) 21.51 ft on 06/16/2013
(29) 21.46 ft on 06/11/1999
(30) 21.36 ft on 01/26/1998
(31) 21.30 ft on 02/01/1998
(32) 21.25 ft on 04/06/2013
(33) 21.20 ft on 02/09/1997
(34) 21.16 ft on 06/26/2009
(35) 21.10 ft on 07/03/1999
(36) 20.81 ft on 06/06/2003
(37) 20.76 ft on 06/28/2005
(38) 20.72 ft on 03/14/1997
(39) 20.63 ft on 03/23/1959
(40) 20.61 ft on 08/01/1996
(41) 20.60 ft on 01/10/1997
(42) 20.58 ft on 10/16/1997
(43) 20.50 ft on 06/13/2000
(44) 20.35 ft on 06/02/2000
(45) 20.22 ft on 05/26/2008
(46) 20.20 ft on 06/12/2007
(47) 20.15 ft on 03/27/1998
(48) 20.12 ft on 12/05/1996
(49) 20.10 ft on 03/16/2001
(50) 20.10 ft on 11/10/1997
(51) 20.10 ft on 06/09/2008
(52) 20.04 ft on 06/12/1995
(53) 19.85 ft on 06/05/2002
(54) 19.83 ft on 05/26/2006
(55) 19.82 ft on 03/23/2007
(56) 19.78 ft on 03/28/1943
(57) 19.74 ft on 06/14/2006
(58) 19.39 ft on 06/11/2005
(59) 19.33 ft on 03/02/2004
(60) 19.20 ft on 06/23/2002
(61) 19.03 ft on 06/15/2004
(62) 18.99 ft on 06/15/2005
(63) 18.98 ft on 05/19/2007
(64) 18.60 ft on 04/04/1930
(65) 18.01 ft on 03/24/1947
(66) 18.00 ft on 03/22/1960
(67) 17.76 ft on 04/01/1952
(68) 17.26 ft on 03/30/1943

(P): Preliminary values subject to further review.