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Datums for 9415144, Port Chicago CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9415144, Port Chicago, CA
Status: Accepted (Nov 22 2010)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.91Mean Higher-High Water
MHW4.40Mean High Water
MTL2.57Mean Tide Level
MSL2.56Mean Sea Level
DTL2.45Mean Diurnal Tide Level
MLW0.74Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-1.10North American Vertical Datum of 1988
STND-3.99Station Datum
GT4.91Great Diurnal Range
MN3.66Mean Range of Tide
DHQ0.51Mean Diurnal High Water Inequality
DLQ0.74Mean Diurnal Low Water Inequality
HWI10.01Greenwich High Water Interval (in hours)
LWI3.89Greenwich Low Water Interval (in hours)
Max Tide3.93Highest Observed Tide
Max Tide Date & Time12/03/1983 12:12Highest Observed Tide Date & Time
Min Tide-5.46Lowest Observed Tide
Min Tide Date & Time01/08/1989 21:54Lowest Observed Tide Date & Time
HAT6.16Highest Astronomical Tide
HAT Date & Time07/11/1987 08:30HAT Date and Time
LAT-0.67Lowest Astronomical Tide
LAT Date & Time01/02/1987 06:00LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9415144 Port Chicago, CA

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