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Datums for 9418817, Samoa, Humboldt Bay CA


Elevations on Station Datum

Station: 9418817, Samoa, Humboldt Bay, CA
Status: Accepted (Jun 30 2014)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW9.08Mean Higher-High Water
MHW8.36Mean High Water
MTL5.69Mean Tide Level
MSL5.70Mean Sea Level
DTL5.39Mean Diurnal Tide Level
MLW3.01Mean Low Water
MLLW1.71Mean Lower-Low Water
NAVD882.43North American Vertical Datum of 1988
STND0.00Station Datum
GT7.36Great Diurnal Range
MN5.35Mean Range of Tide
DHQ0.72Mean Diurnal High Water Inequality
DLQ1.30Mean Diurnal Low Water Inequality
HWI7.86Greenwich High Water Interval (in hours)
LWI1.18Greenwich 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
HAT11.03Highest Astronomical Tide
HAT Date & Time12/31/1986 19:12HAT Date and Time
LAT-0.70Lowest Astronomical Tide
LAT Date & Time05/25/1990 14:24LAT Date and Time
Tidal Datum Analysis Periods
12/01/2010 - 02/28/2011




Products available at 9418817 Samoa, Humboldt Bay, CA

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