053_Guam_United States of America (the)
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW3.65Mean Higher-High Water (ft)
MHW3.52Mean High Water (ft)
MTL2.77Mean Tide Level (ft)
MSL2.72Mean Sea Level (ft)
DTL2.54Mean Diurnal Tide Level (ft)
MLW2.01Mean Low Water (ft)
MLLW1.42Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT2.23Great Diurnal Range (ft)
MN1.50Mean Range of Tide (ft)
DHQ0.13Mean Diurnal High Water Inequality (ft)
DLQ0.60Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum5.64Highest Observed Water Level (ft)
Max Date & Time28-Aug-1992 09Highest Observed Water Level Date and Hour (LST)
Minimum-1.00Lowest Observed Water Level (ft)
Min Date & Time23-Oct-1972 16Lowest Observed Water Level Date and Hour (LST)
HAT4.23Highest Astronomical Tide (ft)
HAT Date & Time09-Aug-1983 22HAT Date and Hour (LST)
LAT0.06Lowest Astronomical Tide (ft)
LAT Date & Time31-Dec-1986 16LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)