Datums for 8668146, HARBOR RIVER BRIDGE, ST. HELENA SOUND SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8668146, HARBOR RIVER BRIDGE, ST. HELENA SOUND, SC
Status: Accepted (Jun 3 2003)
Units: Feet
Control Station: 8665530 Charleston, Cooper River Entrance, SC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.69Mean Higher-High Water
MHW6.30Mean High Water
MTL3.26Mean Tide Level
MSL3.41Mean Sea Level
DTL3.34Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.72North American Vertical Datum of 1988
STND-0.79Station Datum
GT6.69Great Diurnal Range
MN6.09Mean Range of Tide
DHQ0.39Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI0.56Greenwich High Water Interval (in hours)
LWI6.80Greenwich Low Water Interval (in hours)
Max Tide8.34Highest Observed Tide
Max Tide Date & Time11/02/1975 06:36Highest Observed Tide Date & Time
Min Tide-3.48Lowest Observed Tide
Min Tide Date & Time11/13/1974 01:12Lowest 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
02/01/1975 - 01/31/1976




Products available at 8668146 HARBOR RIVER BRIDGE, ST. HELENA SOUND, SC