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Datums for 9410120, IMPERIAL BEACH, PACIFIC OCEAN


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9410120, IMPERIAL BEACH, PACIFIC OCEAN
Status: Accepted (Apr 24 2003)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.37Mean Higher-High Water
MHW4.64Mean High Water
MTL2.77Mean Tide Level
MSL2.75Mean Sea Level
DTL2.68Mean Diurnal Tide Level
MLW0.90Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.24North American Vertical Datum of 1988
STND-2.81Station Datum
GT5.37Great Diurnal Range
MN3.74Mean Range of Tide
DHQ0.73Mean Diurnal High Water Inequality
DLQ0.90Mean Diurnal Low Water Inequality
HWI5.01Greenwich High Water Interval (in hours)
LWI11.07Greenwich Low Water Interval (in hours)
Max Tide7.49Highest Observed Tide
Max Tide Date & Time12/20/1972 00:00Highest Observed Tide Date & Time
Min Tide-2.21Lowest Observed Tide
Min Tide Date & Time01/26/1971 00:00Lowest 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
01/01/1976 - 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 9410120 IMPERIAL BEACH, PACIFIC OCEAN,

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