Datums for 8447416, Piney Point MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447416, Piney Point, MA
Status: Superseded (Apr 17 2003) (Accepted Dec 4 2000)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW4.44Mean Higher-High Water
MHW4.15Mean High Water
MTL2.16Mean Tide Level
MSL1.94Mean Sea Level
DTL2.22Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.44Station Datum
GT4.44Great Diurnal Range
MN3.98Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.46Greenwich High Water Interval (in hours)
LWI6.08Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT5.61Highest Astronomical Tide
HAT Date & Time10/09/2033 13:00HAT Date and Time
LAT-1.06Lowest Astronomical Tide
LAT Date & Time02/02/2033 20:18LAT Date and Time
Tidal Datum Analysis Periods
08/01/2000 - 09/30/2000




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