Datum | Value | Description |
---|---|---|
MHHW | 2.26 | Mean Higher-High Water |
MHW | 1.98 | Mean High Water |
MTL | 1.18 | Mean Tide Level |
MSL | 1.20 | Mean Sea Level |
DTL | 1.13 | Mean Diurnal Tide Level |
MLW | 0.39 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.48 | North American Vertical Datum of 1988 |
STND | -3.37 | Station Datum |
GT | 2.26 | Great Diurnal Range |
MN | 1.59 | Mean Range of Tide |
DHQ | 0.28 | Mean Diurnal High Water Inequality |
DLQ | 0.38 | Mean Diurnal Low Water Inequality |
HWI | 7.01 | Greenwich High Water Interval (in hours) |
LWI | 0.60 | Greenwich Low Water Interval (in hours) |
Max Tide | 6.26 | Highest Observed Tide |
Max Tide Date & Time | 08/31/1985 12:42 | Highest Observed Tide Date & Time |
Min Tide | -3.54 | Lowest Observed Tide |
Min Tide Date & Time | 09/11/2017 02:12 | Lowest Observed Tide Date & Time |
HAT | 3.12 | Highest Astronomical Tide |
HAT Date & Time | 07/21/2005 17:48 | HAT Date and Time |
LAT | -1.17 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 13:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |