056_Pago Pago_American Samoa
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW5.31Mean Higher-High Water (ft)
MHW5.16Mean High Water (ft)
MTL3.92Mean Tide Level (ft)
MSL3.92Mean Sea Level (ft)
DTL3.96Mean Diurnal Tide Level (ft)
MLW2.67Mean Low Water (ft)
MLLW2.61Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT2.70Great Diurnal Range (ft)
MN2.49Mean Range of Tide (ft)
DHQ0.15Mean Diurnal High Water Inequality (ft)
DLQ0.06Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum7.34Highest Observed Water Level (ft)
Max Date & Time19-Feb-2019 06Highest Observed Water Level Date and Hour (LST)
Minimum0.10Lowest Observed Water Level (ft)
Min Date & Time05-Nov-1952 04Lowest Observed Water Level Date and Hour (LST)
HAT6.13Highest Astronomical Tide (ft)
HAT Date & Time30-Jul-1996 18HAT Date and Hour (LST)
LAT1.90Lowest Astronomical Tide (ft)
LAT Date & Time20-Jan-1996 12LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)