Historic Crests
(1) 182.92 ft on 05/05/1958
(2) 182.31 ft on 04/05/1945
(3) 180.70 ft on 05/03/1966
(4) 179.95 ft on 03/15/2016
(5) 179.22 ft on 05/04/1957
(6) 178.74 ft on 05/24/1930
(7) 178.54 ft on 05/09/1944
(8) 177.10 ft on 04/02/1989
(9) 176.70 ft on 01/01/1988
(10) 176.64 ft on 05/24/1953
(11) 176.32 ft on 06/09/1946
(12) 175.90 ft on 04/05/2016
(13) 175.78 ft on 04/30/1973
(14) 175.60 ft on 03/07/2001
(15) 175.34 ft on 02/20/1950
(16) 175.24 ft on 01/13/1932
(17) 175.20 ft on 10/20/2009
(18) 174.90 ft on 05/08/1991
(19) 174.34 ft on 04/29/1921
(20) 174.14 ft on 04/17/1942
(21) 174.14 ft on 05/04/1922
(22) 173.95 ft on 12/16/1961
(23) 173.94 ft on 01/05/1938
(24) 173.84 ft on 12/26/1929
(25) 173.75 ft on 12/08/1974
(26) 173.60 ft on 12/21/2001
(27) 173.60 ft on 03/03/2018
(28) 173.44 ft on 04/23/1927
(29) 173.05 ft on 03/15/2015
(30) 173.00 ft on 01/04/2016
(31) 172.80 ft on 03/13/1990
(32) 172.74 ft on 07/28/1933
(33) 172.64 ft on 01/04/1941
(34) 172.54 ft on 05/14/1935
(35) 172.00 ft on 05/14/2015

(P): Preliminary values subject to further review.