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Ketchikan: water level history
Record1919–2025105 years
Sea level trend-0.36 mm/yrNo. 80 of 88
Great diurnal range4.71 mNo. 5
Highest water level6.49 m1967-12-02
Annual mean water level vs. period average (cm)
Bars are relative to the lowest year on record.
Top 10 monthly highest water levels
| Month | Highest (m above MSL) |
|---|---|
| December 1967 | 4.037 |
| November 1948 | 3.915 |
| November 1968 | 3.915 |
| November 1977 | 3.854 |
| November 1984 | 3.848 |
| January 1983 | 3.827 |
| December 1954 | 3.824 |
| October 1975 | 3.824 |
| November 1994 | 3.818 |
| December 1991 | 3.796 |
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
- 1991
- 1990
Times and heights are NOAA astronomical predictions and do not include weather effects. Times are station local time (incl. daylight saving), heights in metres above MLLW. Not for navigation.
About this page
Monthly mean water levels at Ketchikan since 1919. Long-term sea level trend: -0.36 mm per year.