276_St. John's_Canada
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch02-Sep-1989 to 31-Dec-2001Tidal Datum Analysis Period
MHHW1.275Mean Higher-High Water (m)
MHW1.156Mean High Water (m)
MTL0.835Mean Tide Level (m)
MSL0.829Mean Sea Level (m)
DTL0.852Mean Diurnal Tide Level (m)
MLW0.514Mean Low Water (m)
MLLW0.430Mean Lower-Low Water (m)
STND0.000Station Datum (m)
GT0.845Great Diurnal Range (m)
MN0.641Mean Range of Tide (m)
DHQ0.119Mean Diurnal High Water Inequality (m)
DLQ0.084Mean Diurnal Low Water Inequality (m)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum2.297Highest Observed Water Level (m)
Max Date & Time04-Jan-2014 13Highest Observed Water Level Date and Hour (LST)
Minimum-0.290Lowest Observed Water Level (m)
Min Date & Time21-Feb-1996 07Lowest Observed Water Level Date and Hour (LST)
HAT1.689Highest Astronomical Tide (m)
HAT Date & Time23-Dec-1995 12HAT Date and Hour (LST)
LAT0.053Lowest Astronomical Tide (m)
LAT Date & Time27-Apr-1998 06LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (m)
LEVBUnavailableSwitch 2 (m)