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Datums for 8515921, LLOYD HARBOR LIGHTHOUSE NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8515921, LLOYD HARBOR LIGHTHOUSE, NY
Status: Accepted (May 7 2003)
Units: Feet
Control Station: 8518490 NEW ROCHELLE, NY
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.60Mean Higher-High Water
MHW7.25Mean High Water
MTL3.73Mean Tide Level
MSL3.75Mean Sea Level
DTL3.80Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.96Station Datum
GT7.60Great Diurnal Range
MN7.03Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI3.76Greenwich High Water Interval (in hours)
LWI10.27Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
07/01/1990 - 08/31/1990




Products available at 8515921 LLOYD HARBOR LIGHTHOUSE, NY

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services