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Datums for 8666659, COMBAHEE RIVER AT US HWY. 17 SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8666659, COMBAHEE RIVER AT US HWY. 17, SC
Status: Accepted (Feb 25 2004)
Units: Feet
Control Station: 8665530 Charleston, Cooper River Entrance, SC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.33Mean Higher-High Water
MHW5.08Mean High Water
MTL2.66Mean Tide Level
MSL3.10Mean Sea Level
DTL2.67Mean Diurnal Tide Level
MLW0.25Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.48North American Vertical Datum of 1988
STND-3.92Station Datum
GT5.34Great Diurnal Range
MN4.83Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.25Mean Diurnal Low Water Inequality
HWI3.51Greenwich High Water Interval (in hours)
LWI9.38Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
02/01/1976 - 12/31/1976
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8666659 COMBAHEE RIVER AT US HWY. 17, SC

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