Datums for 8774230, Aransas Wildlife Refuge TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8774230, Aransas Wildlife Refuge, TX
Status: Accepted (Apr 24 2020)
Units: Feet
Control Station: 8775792 Packery Channel, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.33Mean Higher-High Water
MHW0.33Mean High Water
MTL0.17Mean Tide Level
MSL0.17Mean Sea Level
DTL0.17Mean Diurnal Tide Level
MLW0.00Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.95North American Vertical Datum of 1988
STND-28.95Station Datum
GT0.33Great Diurnal Range
MN0.33Mean 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 Tide5.14Highest Observed Tide
Max Tide Date & Time08/26/2017 02:36Highest Observed Tide Date & Time
Min Tide-1.10Lowest Observed Tide
Min Tide Date & Time02/11/2016 18:12Lowest Observed Tide Date & Time
HAT0.87Highest Astronomical Tide
HAT Date & Time10/11/1987 14:30HAT Date and Time
LAT-0.50Lowest Astronomical Tide
LAT Date & Time01/27/1986 01:12LAT Date and Time
Tidal Datum Analysis Periods
01/01/2016 - 12/31/2018




Products available at 8774230 Aransas Wildlife Refuge, TX