Datums for 8548989, Newbold PA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8548989, Newbold, PA
Status: Superseded (Apr 17 2003) (Accepted Aug 2 2002)
Units: Feet
Control Station: 8545240 Philadelphia, PA
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW8.66Mean Higher-High Water
MHW8.26Mean High Water
MTL4.23Mean Tide Level
MSL4.39Mean Sea Level
DTL4.33Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-13.90Station Datum
GT8.66Great Diurnal Range
MN8.06Mean Range of Tide
DHQ0.40Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI7.42Greenwich High Water Interval (in hours)
LWI2.44Greenwich Low Water Interval (in hours)
Max Tide13.63Highest Observed Tide
Max Tide Date & Time09/02/2021 07:18Highest Observed Tide Date & Time
Min Tide-2.97Lowest Observed Tide
Min Tide Date & Time02/16/2015 05:00Lowest Observed Tide Date & Time
HAT9.76Highest Astronomical Tide
HAT Date & Time05/07/2016 07:30HAT Date and Time
LAT-0.79Lowest Astronomical Tide
LAT Date & Time02/02/2014 04:06LAT Date and Time
Tidal Datum Analysis Periods
12/01/2001 - 05/31/2002




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