Datum | Value | Description |
---|---|---|
MHHW | 8.74 | Mean Higher-High Water |
MHW | 8.38 | Mean High Water |
MTL | 4.29 | Mean Tide Level |
MSL | 4.47 | Mean Sea Level |
DTL | 4.37 | Mean Diurnal Tide Level |
MLW | 0.20 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 3.85 | North American Vertical Datum of 1988 |
STND | -1.72 | Station Datum |
GT | 8.74 | Great Diurnal Range |
MN | 8.18 | Mean Range of Tide |
DHQ | 0.36 | Mean Diurnal High Water Inequality |
DLQ | 0.20 | Mean Diurnal Low Water Inequality |
HWI | 7.57 | Greenwich High Water Interval (in hours) |
LWI | 2.86 | Greenwich Low Water Interval (in hours) |
Max Tide | 13.27 | Highest Observed Tide |
Max Tide Date & Time | 05/31/1984 02:36 | Highest Observed Tide Date & Time |
Min Tide | -5.50 | Lowest Observed Tide |
Min Tide Date & Time | 11/21/1989 18:12 | Lowest Observed Tide Date & Time |
HAT | 10.12 | Highest Astronomical Tide |
HAT Date & Time | 05/18/2034 07:18 | HAT Date and Time |
LAT | -1.21 | Lowest Astronomical Tide |
LAT Date & Time | 02/02/2014 04:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1979 - 12/31/1988 |