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Datums for 8720434, BLACK CREEK FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720434, BLACK CREEK, FL
Status: Accepted (Jan 31 2005)
Units: Feet
Control Station: 8720496 GREEN COVE SPRINGS, ST. JOHNS R., FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.93Mean Higher-High Water
MHW0.87Mean High Water
MTL0.46Mean Tide Level
MSL0.44Mean Sea Level
DTL0.47Mean Diurnal Tide Level
MLW0.04Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.39North American Vertical Datum of 1988
STND-4.98Station Datum
GT0.93Great Diurnal Range
MN0.83Mean Range of Tide
DHQ0.06Mean Diurnal High Water Inequality
DLQ0.04Mean Diurnal Low Water Inequality
HWI5.86Greenwich High Water Interval (in hours)
LWI0.31Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT1.07Highest Astronomical Tide
HAT Date & Time12/24/1999 19:36HAT Date and Time
LAT-0.18Lowest Astronomical Tide
LAT Date & Time12/23/1999 12:12LAT Date and Time
Tidal Datum Analysis Periods
08/01/1978 - 10/31/1978




Products available at 8720434 BLACK CREEK, FL

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services