598_Alofi_Niue
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch05-Aug-2015 to 17-Jan-2020Tidal Datum Analysis Period
MHHW4.18Mean Higher-High Water (ft)
MHW4.05Mean High Water (ft)
MTL2.70Mean Tide Level (ft)
MSL2.70Mean Sea Level (ft)
DTL2.71Mean Diurnal Tide Level (ft)
MLW1.35Mean Low Water (ft)
MLLW1.25Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT2.93Great Diurnal Range (ft)
MN2.71Mean Range of Tide (ft)
DHQ0.13Mean Diurnal High Water Inequality (ft)
DLQ0.10Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum5.52Highest Observed Water Level (ft)
Max Date & Time31-Dec-2019 22Highest Observed Water Level Date and Hour (LST)
Minimum0.23Lowest Observed Water Level (ft)
Min Date & Time25-Jun-2017 01Lowest Observed Water Level Date and Hour (LST)
HAT4.95Highest Astronomical Tide (ft)
HAT Date & Time16-Nov-2016 07HAT Date and Hour (LST)
LAT0.52Lowest Astronomical Tide (ft)
LAT Date & Time26-Jun-2017 01LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)