Datum | Value | Description |
---|---|---|
MHHW | 2.74 | Mean Higher-High Water |
MHW | 2.40 | Mean High Water |
MTL | 1.47 | Mean Tide Level |
MSL | 1.48 | Mean Sea Level |
DTL | 1.37 | Mean Diurnal Tide Level |
MLW | 0.53 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -1.54 | Station Datum |
GT | 2.74 | Great Diurnal Range |
MN | 1.87 | Mean Range of Tide |
DHQ | 0.34 | Mean Diurnal High Water Inequality |
DLQ | 0.53 | Mean Diurnal Low Water Inequality |
HWI | 4.53 | Greenwich High Water Interval (in hours) |
LWI | 10.57 | Greenwich Low Water Interval (in hours) |
Max Tide | 6.95 | Highest Observed Tide |
Max Tide Date & Time | 03/13/1993 04:48 | Highest Observed Tide Date & Time |
Min Tide | -2.38 | Lowest Observed Tide |
Min Tide Date & Time | 01/19/1977 08:06 | Lowest Observed Tide Date & Time |
HAT | 3.70 | Highest Astronomical Tide |
HAT Date & Time | 08/19/2005 15:42 | HAT Date and Time |
LAT | -1.39 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 10:48 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1974 - 12/31/1984 |