Datum | Value | Description |
---|---|---|
MHHW | 6.85 | Mean Higher-High Water |
MHW | 6.14 | Mean High Water |
MTL | 3.70 | Mean Tide Level |
MSL | 3.70 | Mean Sea Level |
DTL | 3.42 | Mean Diurnal Tide Level |
MLW | 1.25 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.33 | North American Vertical Datum of 1988 |
STND | -14.55 | Station Datum |
GT | 6.86 | Great Diurnal Range |
MN | 4.89 | Mean Range of Tide |
DHQ | 0.71 | Mean Diurnal High Water Inequality |
DLQ | 1.26 | Mean Diurnal Low Water Inequality |
HWI | 7.63 | Greenwich High Water Interval (in hours) |
LWI | 1.18 | Greenwich Low Water Interval (in hours) |
Max Tide | 9.88 | Highest Observed Tide |
Max Tide Date & Time | 12/31/2005 18:54 | Highest Observed Tide Date & Time |
Min Tide | -2.90 | Lowest Observed Tide |
Min Tide Date & Time | 01/20/1988 02:18 | Lowest Observed Tide Date & Time |
HAT | 8.84 | Highest Astronomical Tide |
HAT Date & Time | 12/23/2003 18:48 | HAT Date and Time |
LAT | -2.40 | Lowest Astronomical Tide |
LAT Date & Time | 06/04/2008 14:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |