Datum | Value | Description |
---|---|---|
MHHW | 3.69 | Mean Higher-High Water |
MHW | 3.37 | Mean High Water |
MTL | 1.75 | Mean Tide Level |
MSL | 1.77 | Mean Sea Level |
DTL | 1.84 | Mean Diurnal Tide Level |
MLW | 0.14 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 2.19 | North American Vertical Datum of 1988 |
STND | -18.58 | Station Datum |
GT | 3.69 | Great Diurnal Range |
MN | 3.22 | Mean Range of Tide |
DHQ | 0.32 | Mean Diurnal High Water Inequality |
DLQ | 0.14 | Mean Diurnal Low Water Inequality |
HWI | 12.23 | Greenwich High Water Interval (in hours) |
LWI | 6.06 | Greenwich Low Water Interval (in hours) |
Max Tide | 7.82 | Highest Observed Tide |
Max Tide Date & Time | 09/18/2003 16:06 | Highest Observed Tide Date & Time |
Min Tide | -2.66 | Lowest Observed Tide |
Min Tide Date & Time | 03/16/1980 17:54 | Lowest Observed Tide Date & Time |
HAT | 4.99 | Highest Astronomical Tide |
HAT Date & Time | 10/09/2029 13:00 | HAT Date and Time |
LAT | -1.06 | Lowest Astronomical Tide |
LAT Date & Time | 01/31/2014 06:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |