Datums for 8666101, JOHNS ISLAND, CHURCH CREEK SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8666101, JOHNS ISLAND, CHURCH CREEK, 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
MHHW7.41Mean Higher-High Water
MHW7.06Mean High Water
MTL3.64Mean Tide Level
MSL4.37Mean Sea Level
DTL3.70Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD884.35North American Vertical Datum of 1988
STND-4.74Station Datum
GT7.42Great Diurnal Range
MN6.85Mean Range of Tide
DHQ0.35Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI2.14Greenwich High Water Interval (in hours)
LWI7.64Greenwich Low Water Interval (in hours)
Max Tide8.99Highest Observed Tide
Max Tide Date & Time06/01/1977 00:00Highest Observed Tide Date & Time
Min Tide-3.00Lowest Observed Tide
Min Tide Date & Time01/09/1978 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
03/01/1977 - 02/28/1978




Products available at 8666101 JOHNS ISLAND, CHURCH CREEK, SC