Datums for 9414750, Alameda CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9414750, Alameda, CA
Status: Superseded (Apr 17 2003) (Accepted Apr 06 1998)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW6.49Mean Higher-High Water
MHW5.88Mean High Water
MTL3.49Mean Tide Level
MSL3.40Mean Sea Level
DTL3.25Mean Diurnal Tide Level
MLW1.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.27Station Datum
GT6.49Great Diurnal Range
MN4.77Mean Range of Tide
DHQ0.61Mean Diurnal High Water Inequality
DLQ1.11Mean Diurnal Low Water Inequality
HWI8.10Greenwich High Water Interval (in hours)
LWI1.52Greenwich Low Water Interval (in hours)
Max Tide9.71Highest Observed Tide
Max Tide Date & Time12/03/1983 18:18Highest Observed Tide Date & Time
Min Tide-2.51Lowest Observed Tide
Min Tide Date & Time01/11/2009 01:42Lowest Observed Tide Date & Time
HAT7.91Highest Astronomical Tide
HAT Date & Time07/24/2040 07:00HAT Date and Time
LAT-1.95Lowest Astronomical Tide
LAT Date & Time06/04/2008 14:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/1960 - 12/31/1978




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