Datum | Value | Description |
---|---|---|
MHHW | 3.17 | Mean Higher-High Water |
MHW | 2.94 | Mean High Water |
MTL | 1.55 | Mean Tide Level |
MSL | 1.55 | Mean Sea Level |
DTL | 1.59 | Mean Diurnal Tide Level |
MLW | 0.15 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.40 | North American Vertical Datum of 1988 |
STND | -4.55 | Station Datum |
GT | 3.17 | Great Diurnal Range |
MN | 2.79 | Mean Range of Tide |
DHQ | 0.23 | Mean Diurnal High Water Inequality |
DLQ | 0.15 | Mean Diurnal Low Water Inequality |
HWI | 0.48 | Greenwich High Water Interval (in hours) |
LWI | 7.61 | Greenwich Low Water Interval (in hours) |
Max Tide | 11.05 | Highest Observed Tide |
Max Tide Date & Time | 10/17/1942 06:30 | Highest Observed Tide Date & Time |
Min Tide | -5.05 | Lowest Observed Tide |
Min Tide Date & Time | 02/26/1967 04:24 | Lowest Observed Tide Date & Time |
HAT | 3.81 | Highest Astronomical Tide |
HAT Date & Time | 05/26/2021 12:18 | HAT Date and Time |
LAT | -0.79 | Lowest Astronomical Tide |
LAT Date & Time | 02/01/2014 21:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |