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Datums for 9418799, FRESHWATER SLOUGH, HUMBOLDT BAY CA


Elevations on Station Datum

Station: 9418799, FRESHWATER SLOUGH, HUMBOLDT BAY, CA
Status: Accepted (Feb 26 2004)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW7.88Mean Higher-High Water
MHW7.16Mean High Water
MTL4.51Mean Tide Level
MSL4.43Mean Sea Level
DTL4.33Mean Diurnal Tide Level
MLW1.87Mean Low Water
MLLW0.78Mean Lower-Low Water
NAVD881.24North American Vertical Datum of 1988
STND0.00Station 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)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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