Datums for 8518639, Port Morris NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8518639, Port Morris, NY
Status: Superseded (Apr 17 2003) (Accepted May 30 2002)
Units: Feet
Control Station: 8516945 Kings Point, NY
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW6.84Mean Higher-High Water
MHW6.49Mean High Water
MTL3.38Mean Tide Level
MSL3.36Mean Sea Level
DTL3.42Mean Diurnal Tide Level
MLW0.26Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.51Station Datum
GT6.85Great Diurnal Range
MN6.23Mean Range of Tide
DHQ0.35Mean Diurnal High Water Inequality
DLQ0.27Mean Diurnal Low Water Inequality
HWI4.15Greenwich High Water Interval (in hours)
LWI10.88Greenwich Low Water Interval (in hours)
Max Tide9.24Highest Observed Tide
Max Tide Date & Time03/07/2001 13:42Highest Observed Tide Date & Time
Min Tide-2.87Lowest Observed Tide
Min Tide Date & Time12/13/2000 00:18Lowest Observed Tide Date & Time
HAT8.55Highest Astronomical Tide
HAT Date & Time10/09/2029 16:36HAT Date and Time
LAT-1.52Lowest Astronomical Tide
LAT Date & Time01/14/2036 23:48LAT Date and Time
Tidal Datum Analysis Periods
08/01/2000 - 07/31/2001




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