Datums for 8773701, Port OConnor TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8773701, Port OConnor, TX
Status: Accepted (Mar 9 2020)
Units: Feet
Control Station: 8775792 Packery Channel, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.72Mean Higher-High Water
MHW0.71Mean High Water
MTL0.36Mean Tide Level
MSL0.40Mean Sea Level
DTL0.36Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.38North American Vertical Datum of 1988
STND-11.41Station Datum
GT0.72Great Diurnal Range
MN0.69Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.02Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.52Highest Observed Tide
Max Tide Date & Time08/26/2017 01:06Highest Observed Tide Date & Time
Min Tide-1.61Lowest Observed Tide
Min Tide Date & Time01/20/2019 16:48Lowest Observed Tide Date & Time
HAT1.68Highest Astronomical Tide
HAT Date & Time10/19/1989 08:42HAT Date and Time
LAT-0.96Lowest Astronomical Tide
LAT Date & Time01/28/1987 16:48LAT Date and Time
Tidal Datum Analysis Periods
06/01/2015 - 05/31/2016
10/01/2016 - 09/30/2018




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