Historic Crests
(1) 32.50 ft on 10/16/1954
(2) 30.65 ft on 03/18/1936
(3) 29.70 ft on 06/23/1972
(4) 28.04 ft on 01/20/1996
(5) 28.00 ft on 03/30/1924
(6) 27.34 ft on 06/05/1941
(7) 26.53 ft on 09/11/2018 (P)
(8) 24.70 ft on 09/14/1971
(9) 23.15 ft on 03/06/1967
(10) 23.00 ft on 05/04/1934
(11) 23.00 ft on 03/05/1920
(12) 22.83 ft on 02/17/2018
(13) 22.80 ft on 04/26/1937
(14) 21.61 ft on 02/11/1940
(15) 21.60 ft on 01/26/1978
(16) 21.30 ft on 01/26/1956
(17) 20.97 ft on 03/14/2010
(18) 20.70 ft on 01/06/2005
(19) 20.70 ft on 09/18/2004
(20) 20.66 ft on 03/05/2015
(21) 20.60 ft on 11/27/1985
(22) 20.50 ft on 01/22/1917
(23) 20.30 ft on 10/29/1937
(24) 20.21 ft on 03/01/2021 (P)
(25) 19.90 ft on 01/22/1974
(26) 19.89 ft on 03/29/2005
(27) 16.57 ft on 02/08/2019
(28) 15.38 ft on 05/05/2009
(29) 15.07 ft on 03/15/2015
(30) 12.99 ft on 03/16/2007

(P): Preliminary values subject to further review.