Datum | Value | Description |
---|---|---|
MHHW | 2.25 | Mean Higher-High Water |
MHW | 1.90 | Mean High Water |
MTL | 1.11 | Mean Tide Level |
MSL | 1.12 | Mean Sea Level |
DTL | 1.13 | Mean Diurnal Tide Level |
MLW | 0.33 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -2.41 | Station Datum |
GT | 2.25 | Great Diurnal Range |
MN | 1.57 | Mean Range of Tide |
DHQ | 0.36 | Mean Diurnal High Water Inequality |
DLQ | 0.32 | Mean Diurnal Low Water Inequality |
HWI | 0.24 | Greenwich High Water Interval (in hours) |
LWI | 6.64 | Greenwich Low Water Interval (in hours) |
Max Tide | 3.59 | Highest Observed Tide |
Max Tide Date & Time | 12/15/2020 18:30 | Highest Observed Tide Date & Time |
Min Tide | -1.61 | Lowest Observed Tide |
Min Tide Date & Time | 06/19/1955 00:00 | Lowest Observed Tide Date & Time |
HAT | 3.12 | Highest Astronomical Tide |
HAT Date & Time | 07/22/2005 01:30 | HAT Date and Time |
LAT | -0.79 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 05:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |