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Datums for 8775792, Packery Channel TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8775792, Packery Channel, TX
Status: Accepted (Oct 11 2017)
Units: Feet
Control Station: 8774770 Rockport, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.37Mean Higher-High Water
MHW0.37Mean High Water
MTL0.19Mean Tide Level
MSL0.19Mean Sea Level
DTL0.19Mean Diurnal Tide Level
MLW0.00Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.46North American Vertical Datum of 1988
STND-2.94Station Datum
GT0.37Great Diurnal Range
MN0.37Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.00Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide4.98Highest Observed Tide
Max Tide Date & Time08/26/2017 00:06Highest Observed Tide Date & Time
Min Tide-1.39Lowest Observed Tide
Min Tide Date & Time12/28/1989 14:36Lowest Observed Tide Date & Time
HAT0.82Highest Astronomical Tide
HAT Date & Time10/16/1988 12:00HAT Date and Time
LAT-0.52Lowest Astronomical Tide
LAT Date & Time01/18/1988 19:48LAT Date and Time
Tidal Datum Analysis Periods
10/01/2012 - 09/30/2013
11/01/2014 - 10/31/2015
03/01/2016 - 02/28/2017




Products available at 8775792 Packery Channel, TX

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