047_Chichijima_Japan
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW7.26Mean Higher-High Water (ft)
MHW7.15Mean High Water (ft)
MTL6.13Mean Tide Level (ft)
MSL6.09Mean Sea Level (ft)
DTL5.87Mean Diurnal Tide Level (ft)
MLW5.10Mean Low Water (ft)
MLLW4.48Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT2.78Great Diurnal Range (ft)
MN2.06Mean Range of Tide (ft)
DHQ0.11Mean Diurnal High Water Inequality (ft)
DLQ0.61Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum9.91Highest Observed Water Level (ft)
Max Date & Time28-Sep-2003 22Highest Observed Water Level Date and Hour (LST)
Minimum2.40Lowest Observed Water Level (ft)
Min Date & Time30-Dec-1978 16Lowest Observed Water Level Date and Hour (LST)
HAT8.22Highest Astronomical Tide (ft)
HAT Date & Time17-Sep-2001 21HAT Date and Hour (LST)
LAT3.09Lowest Astronomical Tide (ft)
LAT Date & Time31-Dec-1986 15LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)