Datum | Value | Description |
---|---|---|
MHHW | 8.24 | Mean Higher-High Water |
MHW | 7.53 | Mean High Water |
MTL | 4.45 | Mean Tide Level |
MSL | 4.42 | Mean Sea Level |
DTL | 4.12 | Mean Diurnal Tide Level |
MLW | 1.37 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.63 | North American Vertical Datum of 1988 |
STND | -3.40 | Station Datum |
GT | 8.24 | Great Diurnal Range |
MN | 6.16 | Mean Range of Tide |
DHQ | 0.71 | Mean Diurnal High Water Inequality |
DLQ | 1.37 | Mean Diurnal Low Water Inequality |
HWI | 7.81 | Greenwich High Water Interval (in hours) |
LWI | 1.54 | Greenwich Low Water Interval (in hours) |
Max Tide | 12.22 | Highest Observed Tide |
Max Tide Date & Time | 01/26/1983 09:30 | Highest Observed Tide Date & Time |
Min Tide | -3.33 | Lowest Observed Tide |
Min Tide Date & Time | 05/24/1982 06:48 | Lowest Observed Tide Date & Time |
HAT | 10.65 | Highest Astronomical Tide |
HAT Date & Time | 12/23/2003 19:06 | HAT Date and Time |
LAT | -3.09 | Lowest Astronomical Tide |
LAT Date & Time | 06/16/2026 14:54 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1974 - 12/31/1983 |