Datum | Value | Description |
---|---|---|
MHHW | 1.67 | Mean Higher-High Water |
MHW | 1.55 | Mean High Water |
MTL | 0.97 | Mean Tide Level |
MSL | 0.97 | Mean Sea Level |
DTL | 0.83 | Mean Diurnal Tide Level |
MLW | 0.39 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.56 | North American Vertical Datum of 1988 |
STND | -9.09 | Station Datum |
GT | 1.67 | Great Diurnal Range |
MN | 1.17 | Mean Range of Tide |
DHQ | 0.12 | Mean Diurnal High Water Inequality |
DLQ | 0.39 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 5.77 | Highest Observed Tide |
Max Tide Date & Time | 07/15/2003 11:54 | Highest Observed Tide Date & Time |
Min Tide | -2.74 | Lowest Observed Tide |
Min Tide Date & Time | 12/23/2007 13:30 | Lowest Observed Tide Date & Time |
HAT | 2.47 | Highest Astronomical Tide |
HAT Date & Time | 10/27/2007 23:54 | HAT Date and Time |
LAT | -1.32 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 14:42 | LAT Date and Time |
Tidal Datum Analysis Periods |
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05/01/2011 - 04/30/2013 |
04/01/2014 - 03/31/2019 |