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Datums for 9418799, FRESHWATER SLOUGH, HUMBOLDT BAY CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9418799, FRESHWATER SLOUGH, HUMBOLDT BAY, CA
Status: Accepted (Feb 26 2004)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.10Mean Higher-High Water
MHW6.38Mean High Water
MTL3.73Mean Tide Level
MSL3.65Mean Sea Level
DTL3.55Mean Diurnal Tide Level
MLW1.09Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.46North American Vertical Datum of 1988
STND-0.78Station Datum
GT7.10Great Diurnal Range
MN5.28Mean Range of Tide
DHQ0.72Mean Diurnal High Water Inequality
DLQ1.09Mean Diurnal Low Water Inequality
HWI8.28Greenwich High Water Interval (in hours)
LWI1.86Greenwich 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
05/01/1978 - 12/31/1978
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9418799 FRESHWATER SLOUGH, HUMBOLDT BAY, CA

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services