Datums for 8545240, Philadelphia PA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8545240, Philadelphia, PA
Status: Accepted (Dec 21 2012)
Units: Feet
Control Station: 8551910 Reedy Point, DE
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.69Mean Higher-High Water
MHW6.29Mean High Water
MTL3.24Mean Tide Level
MSL3.49Mean Sea Level
DTL3.34Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.10North American Vertical Datum of 1988
STND-3.82Station Datum
GT6.69Great Diurnal Range
MN6.10Mean Range of Tide
DHQ0.40Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI6.30Greenwich High Water Interval (in hours)
LWI0.93Greenwich Low Water Interval (in hours)
Max Tide10.62Highest Observed Tide
Max Tide Date & Time10/30/2012 08:00Highest Observed Tide Date & Time
Min Tide-6.82Lowest Observed Tide
Min Tide Date & Time12/31/1962 23:48Lowest Observed Tide Date & Time
HAT7.93Highest Astronomical Tide
HAT Date & Time05/25/1994 05:54HAT Date and Time
LAT-1.05Lowest Astronomical Tide
LAT Date & Time01/22/1996 14:24LAT Date and Time
Tidal Datum Analysis Periods
04/01/1995 - 03/31/2012




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