Datums for 8773146, Matagorda City TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8773146, Matagorda City, TX
Status: Accepted (Dec 9 2019)
Units: Feet
Control Station: 8775792 Packery Channel, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.41Mean Higher-High Water
MHW0.40Mean High Water
MTL0.21Mean Tide Level
MSL0.25Mean Sea Level
DTL0.21Mean Diurnal Tide Level
MLW0.01Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.47North American Vertical Datum of 1988
STND-30.92Station Datum
GT0.41Great Diurnal Range
MN0.39Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.01Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.44Highest Observed Tide
Max Tide Date & Time08/26/2017 10:00Highest Observed Tide Date & Time
Min Tide-1.18Lowest Observed Tide
Min Tide Date & Time01/13/2018 13:54Lowest Observed Tide Date & Time
HAT0.54Highest Astronomical Tide
HAT Date & Time11/06/1986 06:06HAT Date and Time
LAT-0.18Lowest Astronomical Tide
LAT Date & Time06/22/1986 04:12LAT Date and Time
Tidal Datum Analysis Periods
10/01/2016 - 09/30/2018




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