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Datums for 9418865, MAD RIVER SLOUGH, ARCATA BAY CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9418865, MAD RIVER SLOUGH, ARCATA BAY, CA
Status: Accepted (Jun 20 2003)
Units: Feet
Control Station: 9419750 Crescent City, CA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.63Mean Higher-High Water
MHW6.90Mean High Water
MTL4.13Mean Tide Level
MSL4.25Mean Sea Level
DTL3.82Mean Diurnal Tide Level
MLW1.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.00North American Vertical Datum of 1988
STND-1.71Station Datum
GT7.63Great Diurnal Range
MN5.56Mean Range of Tide
DHQ0.73Mean Diurnal High Water Inequality
DLQ1.35Mean Diurnal Low Water Inequality
HWI8.35Greenwich High Water Interval (in hours)
LWI1.66Greenwich 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
12/01/1978 - 03/31/1979
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9418865 MAD RIVER SLOUGH, ARCATA BAY, CA

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services