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Philadelphia, US Coast Guard Station, Pa.: water level history
Record1990–202536 years
Sea level trend3.15 mm/yrNo. 35 of 88
Great diurnal range2.04 mNo. 35
Highest water level3.25 m2024-01-10
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) |
|---|---|
| January 2024 | 2.185 |
| October 2012 | 2.175 |
| April 2011 | 2.125 |
| October 2021 | 2.096 |
| December 2012 | 2.093 |
| May 2014 | 1.965 |
| August 2011 | 1.961 |
| April 2005 | 1.913 |
| December 1992 | 1.896 |
| September 2021 | 1.889 |
- 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 Philadelphia, US Coast Guard Station, Pa. since 1990. Long-term sea level trend: 3.15 mm per year.