Datum | Value | Description |
---|---|---|
MHHW | 12.14 | Mean Higher-High Water |
MHW | 11.20 | Mean High Water |
MTL | 6.35 | Mean Tide Level |
MSL | 6.49 | Mean Sea Level |
DTL | 6.07 | Mean Diurnal Tide Level |
MLW | 1.50 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -6.75 | Station Datum |
GT | 12.15 | Great Diurnal Range |
MN | 9.70 | Mean Range of Tide |
DHQ | 0.94 | Mean Diurnal High Water Inequality |
DLQ | 1.51 | Mean Diurnal Low Water Inequality |
HWI | 10.03 | Greenwich High Water Interval (in hours) |
LWI | 3.72 | Greenwich Low Water Interval (in hours) |
Max Tide | 17.05 | Highest Observed Tide |
Max Tide Date & Time | 11/11/1981 11:12 | Highest Observed Tide Date & Time |
Min Tide | -5.45 | Lowest Observed Tide |
Min Tide Date & Time | 12/14/2008 04:48 | Lowest Observed Tide Date & Time |
HAT | 15.64 | Highest Astronomical Tide |
HAT Date & Time | 11/24/2003 21:42 | HAT Date and Time |
LAT | -3.94 | Lowest Astronomical Tide |
LAT Date & Time | 05/27/2021 16:48 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |