Datum | Value | Description |
---|---|---|
MHHW | 1.61 | Mean Higher-High Water |
MHW | 1.51 | Mean High Water |
MTL | 0.95 | Mean Tide Level |
MSL | 0.91 | Mean Sea Level |
DTL | 0.80 | Mean Diurnal Tide Level |
MLW | 0.40 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.76 | North American Vertical Datum of 1988 |
STND | -4.29 | Station Datum |
GT | 1.61 | Great Diurnal Range |
MN | 1.11 | Mean Range of Tide |
DHQ | 0.10 | Mean Diurnal High Water Inequality |
DLQ | 0.40 | Mean Diurnal Low Water Inequality |
HWI | 8.76 | Greenwich High Water Interval (in hours) |
LWI | 2.81 | Greenwich Low Water Interval (in hours) |
Max Tide | 9.33 | Highest Observed Tide |
Max Tide Date & Time | 10/10/2018 18:12 | Highest Observed Tide Date & Time |
Min Tide | -1.84 | Lowest Observed Tide |
Min Tide Date & Time | 01/18/1981 15:42 | Lowest Observed Tide Date & Time |
HAT | 2.28 | Highest Astronomical Tide |
HAT Date & Time | 08/30/2023 19:24 | HAT Date and Time |
LAT | -1.16 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 15:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |