Datums for 8651097, Chowan River, E of Harrellsville NC

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8651097, Chowan River, E of Harrellsville, NC
Status: Accepted (Sep 21 2022)
Units: Feet
Control Station: 8652587 Oregon Inlet Marina, NC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.68Mean Higher-High Water
MHW0.60Mean High Water
MTL0.36Mean Tide Level
MSL0.33Mean Sea Level
DTL0.34Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.58North American Vertical Datum of 1988
STND-22.95Station Datum
GT0.68Great Diurnal Range
MN0.48Mean Range of Tide
DHQ0.08Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
11/01/2021 - 03/31/2022


Products available at 8651097 Chowan River, E of Harrellsville, NC