Datum | Value | Description |
---|---|---|
MHHW | 4.91 | Mean Higher-High Water |
MHW | 4.40 | Mean High Water |
MTL | 2.57 | Mean Tide Level |
MSL | 2.56 | Mean Sea Level |
DTL | 2.45 | Mean Diurnal Tide Level |
MLW | 0.74 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -1.10 | North American Vertical Datum of 1988 |
STND | -3.99 | Station Datum |
GT | 4.91 | Great Diurnal Range |
MN | 3.66 | Mean Range of Tide |
DHQ | 0.51 | Mean Diurnal High Water Inequality |
DLQ | 0.74 | Mean Diurnal Low Water Inequality |
HWI | 10.01 | Greenwich High Water Interval (in hours) |
LWI | 3.89 | Greenwich Low Water Interval (in hours) |
Max Tide | 7.92 | Highest Observed Tide |
Max Tide Date & Time | 12/03/1983 12:12 | Highest Observed Tide Date & Time |
Min Tide | -1.47 | Lowest Observed Tide |
Min Tide Date & Time | 01/08/1989 21:54 | Lowest Observed Tide Date & Time |
HAT | 6.18 | Highest Astronomical Tide |
HAT Date & Time | 07/02/2004 08:12 | HAT Date and Time |
LAT | -0.67 | Lowest Astronomical Tide |
LAT Date & Time | 01/12/2005 05:42 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |