Datum | Value | Description |
---|---|---|
MHHW | 1.95 | Mean Higher-High Water |
MHW | 1.47 | Mean High Water |
MTL | 0.82 | Mean Tide Level |
MSL | 0.85 | Mean Sea Level |
DTL | 0.97 | Mean Diurnal Tide Level |
MLW | 0.17 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -3.69 | Station Datum |
GT | 1.95 | Great Diurnal Range |
MN | 1.30 | Mean Range of Tide |
DHQ | 0.48 | Mean Diurnal High Water Inequality |
DLQ | 0.17 | Mean Diurnal Low Water Inequality |
HWI | 2.12 | Greenwich High Water Interval (in hours) |
LWI | 8.39 | Greenwich Low Water Interval (in hours) |
Max Tide | 3.51 | Highest Observed Tide |
Max Tide Date & Time | 02/14/1967 06:54 | Highest Observed Tide Date & Time |
Min Tide | -1.29 | Lowest Observed Tide |
Min Tide Date & Time | 04/30/1911 10:00 | Lowest Observed Tide Date & Time |
HAT | 2.74 | Highest Astronomical Tide |
HAT Date & Time | 07/14/2022 02:30 | HAT Date and Time |
LAT | -0.41 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 06:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1960 - 12/31/1978 |