Datums for 8511236, PLUM ISLAND PLUM GUT HARBOR NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8511236, PLUM ISLAND PLUM GUT HARBOR, NY
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW3.11Mean Higher-High Water
MHW2.80Mean High Water
MTL1.50Mean Tide Level
MSL1.53Mean Sea Level
DTL1.55Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.75Station Datum
GT3.11Great Diurnal Range
MN2.60Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI2.51Greenwich High Water Interval (in hours)
LWI8.80Greenwich 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
HAT3.97Highest Astronomical Tide
HAT Date & Time10/27/2011 14:24HAT Date and Time
LAT-0.83Lowest Astronomical Tide
LAT Date & Time01/14/2036 21:48LAT Date and Time
Tidal Datum Analysis Periods




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