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Current Datum Value: 3.72

Datums for 8545530, PHILADELPHIA (PIER 11 NORTH), DEL. RIVER PA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8545530, PHILADELPHIA (PIER 11 NORTH), DEL. RIVER, PA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8557380 Lewes, DE
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.82Mean Higher-High Water
MHW6.43Mean High Water
MTL3.31Mean Tide Level
MSL3.50Mean Sea Level
DTL3.41Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.23North American Vertical Datum of 1988
STND-3.72Station Datum
GT6.82Great Diurnal Range
MN6.24Mean Range of Tide
DHQ0.39Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI6.38Greenwich High Water Interval (in hours)
LWI1.05Greenwich Low Water Interval (in hours)
Max Tide10.58Highest Observed Tide
Max Tide Date & Time11/25/1950 14:30Highest Observed Tide Date & Time
Min Tide-6.72Lowest Observed Tide
Min Tide Date & Time12/31/1962 13:48Lowest Observed Tide Date & Time
HAT8.09Highest Astronomical Tide
HAT Date & Time05/26/1998 06:36HAT Date and Time
LAT-0.71Lowest Astronomical Tide
LAT Date & Time01/13/1997 04:36LAT Date and Time
Tidal Datum Analysis Periods
01/01/1979 - 12/31/1988
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8545530 PHILADELPHIA (PIER 11 NORTH), DEL. RIVER, PA

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services