Datum | Value | Description |
---|---|---|
MHHW | 7.79 | Mean Higher-High Water |
MHW | 7.42 | Mean High Water |
MTL | 3.85 | Mean Tide Level |
MSL | 3.88 | Mean Sea Level |
DTL | 3.89 | Mean Diurnal Tide Level |
MLW | 0.28 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 4.07 | North American Vertical Datum of 1988 |
STND | -5.15 | Station Datum |
GT | 7.78 | Great Diurnal Range |
MN | 7.15 | Mean Range of Tide |
DHQ | 0.36 | Mean Diurnal High Water Inequality |
DLQ | 0.28 | Mean Diurnal Low Water Inequality |
HWI | 4.05 | Greenwich High Water Interval (in hours) |
LWI | 10.77 | Greenwich Low Water Interval (in hours) |
Max Tide | 16.75 | Highest Observed Tide |
Max Tide Date & Time | 09/21/1938 20:00 | Highest Observed Tide Date & Time |
Min Tide | -4.30 | Lowest Observed Tide |
Min Tide Date & Time | 01/10/1978 19:00 | Lowest Observed Tide Date & Time |
HAT | 9.45 | Highest Astronomical Tide |
HAT Date & Time | 10/09/2033 16:12 | HAT Date and Time |
LAT | -1.53 | Lowest Astronomical Tide |
LAT Date & Time | 01/31/2014 23:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
01/01/1983 - 12/31/2000 |