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Status: Superseded (Apr 17 2003) (Accepted Apr 6 1998)
Units: Feet
Control Station: 9414290 San Francisco, CA
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW4.86Mean Higher-High Water
MHW4.36Mean High Water
MTL2.55Mean Tide Level
MSL2.55Mean Sea Level
DTL2.43Mean Diurnal Tide Level
MLW0.75Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.80Station Datum
GT4.86Great Diurnal Range
MN3.61Mean Range of Tide
DHQ0.50Mean Diurnal High Water Inequality
DLQ0.75Mean Diurnal Low Water Inequality
HWI10.09Greenwich High Water Interval (in hours)
LWI3.93Greenwich Low Water Interval (in hours)
Max Tide8.11Highest Observed Tide
Max Tide Date & Time12/03/1983 12:12Highest Observed Tide Date & Time
Min Tide-1.28Lowest Observed Tide
Min Tide Date & Time01/08/1989 21:54Lowest Observed Tide Date & Time
HAT6.17Highest Astronomical Tide
HAT Date & Time07/02/2004 08:12HAT Date and Time
LAT-0.68Lowest Astronomical Tide
LAT Date & Time01/12/2005 05:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1977 - 12/31/1990




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