767_Galveston, P.Pier_United States of America (the)
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW5.26Mean Higher-High Water (ft)
MHW5.00Mean High Water (ft)
MTL4.60Mean Tide Level (ft)
MSL4.50Mean Sea Level (ft)
DTL4.47Mean Diurnal Tide Level (ft)
MLW4.20Mean Low Water (ft)
MLLW3.68Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT1.58Great Diurnal Range (ft)
MN0.80Mean Range of Tide (ft)
DHQ0.27Mean Diurnal High Water Inequality (ft)
DLQ0.52Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum12.97Highest Observed Water Level (ft)
Max Date & Time13-Sep-2008 04Highest Observed Water Level Date and Hour (LST)
Minimum-0.77Lowest Observed Water Level (ft)
Min Date & Time13-Jan-1964 15Lowest Observed Water Level Date and Hour (LST)
HAT6.30Highest Astronomical Tide (ft)
HAT Date & Time17-Oct-1989 00HAT Date and Hour (LST)
LAT1.96Lowest Astronomical Tide (ft)
LAT Date & Time31-Dec-1986 15LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)