Datums for 8514322, PATCHOGUE, PATCHOGUE RIVER NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8514322, PATCHOGUE, PATCHOGUE RIVER, NY
Status: Accepted (Apr 18 2003)
Units: Feet
Control Station: 8518750 The Battery, NY
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.38Mean Higher-High Water
MHW1.22Mean High Water
MTL0.66Mean Tide Level
MSL0.66Mean Sea Level
DTL0.69Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.90Station Datum
GT1.37Great Diurnal Range
MN1.11Mean Range of Tide
DHQ0.16Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI3.52Greenwich High Water Interval (in hours)
LWI10.19Greenwich Low Water Interval (in hours)
Max Tide2.96Highest Observed Tide
Max Tide Date & Time11/16/1989 14:00Highest Observed Tide Date & Time
Min Tide-1.30Lowest Observed Tide
Min Tide Date & Time02/21/1990 01:24Lowest Observed Tide Date & Time
HAT1.55Highest Astronomical Tide
HAT Date & Time05/27/2025 03:24HAT Date and Time
LAT-0.09Lowest Astronomical Tide
LAT Date & Time12/14/2016 09:42LAT Date and Time
Tidal Datum Analysis Periods
10/01/1989 - 09/30/1990




Products available at 8514322 PATCHOGUE, PATCHOGUE RIVER, NY