Datums for 9415218, Mare Island CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9415218, Mare Island, CA
Status: Superseded (Apr 17 2003) (Accepted Jul 18 1996)
Units: Feet
Control Station: 9414290 San Francisco, CA
T.M.: 120
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.74Mean Higher-High Water
MHW5.18Mean High Water
MTL3.06Mean Tide Level
MSL3.06Mean Sea Level
DTL2.87Mean Diurnal Tide Level
MLW0.93Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.85Station Datum
GT5.74Great Diurnal Range
MN4.24Mean Range of Tide
DHQ0.56Mean Diurnal High Water Inequality
DLQ0.93Mean Diurnal Low Water Inequality
HWI9.09Greenwich High Water Interval (in hours)
LWI2.79Greenwich Low Water Interval (in hours)
Max Tide7.79Highest Observed Tide
Max Tide Date & Time12/22/1996 19:18Highest Observed Tide Date & Time
Min Tide-1.94Lowest Observed Tide
Min Tide Date & Time06/06/2012 17:06Lowest Observed Tide Date & Time
HAT7.10Highest Astronomical Tide
HAT Date & Time12/24/2026 20:12HAT Date and Time
LAT-1.68Lowest Astronomical Tide
LAT Date & Time06/04/2008 15:48LAT Date and Time
Tidal Datum Analysis Periods
09/01/1985 - 04/30/1987




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