Datum | Value | Description |
---|---|---|
MHHW | 2.78 | Mean Higher-High Water |
MHW | 2.52 | Mean High Water |
MTL | 1.30 | Mean Tide Level |
MSL | 1.31 | Mean Sea Level |
DTL | 1.39 | Mean Diurnal Tide Level |
MLW | 0.07 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -3.19 | Station Datum |
GT | 2.78 | Great Diurnal Range |
MN | 2.45 | Mean Range of Tide |
DHQ | 0.26 | Mean Diurnal High Water Inequality |
DLQ | 0.07 | Mean Diurnal Low Water Inequality |
HWI | 12.37 | Greenwich High Water Interval (in hours) |
LWI | 6.21 | Greenwich Low Water Interval (in hours) |
Max Tide | 5.18 | Highest Observed Tide |
Max Tide Date & Time | 09/25/1987 08:06 | Highest Observed Tide Date & Time |
Min Tide | -1.36 | Lowest Observed Tide |
Min Tide Date & Time | 05/05/1985 14:42 | Lowest Observed Tide Date & Time |
HAT | 3.81 | Highest Astronomical Tide |
HAT Date & Time | 10/27/2007 12:42 | HAT Date and Time |
LAT | -0.78 | Lowest Astronomical Tide |
LAT Date & Time | 03/31/2033 18:48 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1960 - 12/31/1976 |