Datum | Value | Description |
---|---|---|
MHHW | 2.08 | Mean Higher-High Water |
MHW | 1.83 | Mean High Water |
MTL | 1.09 | Mean Tide Level |
MSL | 1.11 | Mean Sea Level |
DTL | 1.04 | Mean Diurnal Tide Level |
MLW | 0.35 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.53 | North American Vertical Datum of 1988 |
STND | -1.23 | Station Datum |
GT | 2.08 | Great Diurnal Range |
MN | 1.48 | Mean Range of Tide |
DHQ | 0.26 | Mean Diurnal High Water Inequality |
DLQ | 0.35 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 3.42 | Highest Observed Tide |
Max Tide Date & Time | 12/03/1990 23:54 | Highest Observed Tide Date & Time |
Min Tide | -2.16 | Lowest Observed Tide |
Min Tide Date & Time | 01/19/1977 08:48 | Lowest Observed Tide Date & Time |
HAT | 2.81 | Highest Astronomical Tide |
HAT Date & Time | 07/21/2005 16:06 | HAT Date and Time |
LAT | -0.94 | Lowest Astronomical Tide |
LAT Date & Time | 12/05/2025 11:24 | LAT Date and Time |
Tidal Datum Analysis Periods |
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06/01/1990 - 05/31/1991 |