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Datums for 8726657, DAVIS ISLAND, HILLSBOROUGH BAY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8726657, DAVIS ISLAND, HILLSBOROUGH BAY, FL
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8726520 St. Petersburg, Tampa Bay, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.63Mean Higher-High Water
MHW2.30Mean High Water
MTL1.38Mean Tide Level
MSL1.42Mean Sea Level
DTL1.31Mean Diurnal Tide Level
MLW0.47Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.72North American Vertical Datum of 1988
STND-1.98Station Datum
GT2.62Great Diurnal Range
MN1.82Mean Range of Tide
DHQ0.33Mean Diurnal High Water Inequality
DLQ0.47Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide4.47Highest Observed Tide
Max Tide Date & Time03/03/1991 13:30Highest Observed Tide Date & Time
Min Tide-2.04Lowest Observed Tide
Min Tide Date & Time01/19/1977 00:00Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
06/01/1990 - 05/31/1991
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8726657 DAVIS ISLAND, HILLSBOROUGH BAY, FL

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services