Datums for 9414863, Richmond CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9414863, Richmond, CA
Status: Superseded (Apr 17 2003) (Accepted Apr 10 2000)
Units: Feet
Control Station: 9414290 San Francisco, CA
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW6.06Mean Higher-High Water
MHW5.46Mean High Water
MTL3.29Mean Tide Level
MSL3.28Mean Sea Level
DTL3.03Mean Diurnal Tide Level
MLW1.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-11.36Station Datum
GT6.06Great Diurnal Range
MN4.34Mean Range of Tide
DHQ0.60Mean Diurnal High Water Inequality
DLQ1.12Mean Diurnal Low Water Inequality
HWI7.96Greenwich High Water Interval (in hours)
LWI1.49Greenwich Low Water Interval (in hours)
Max Tide8.86Highest Observed Tide
Max Tide Date & Time02/06/1998 15:54Highest Observed Tide Date & Time
Min Tide-2.30Lowest Observed Tide
Min Tide Date & Time01/11/2009 01:48Lowest Observed Tide Date & Time
HAT7.46Highest Astronomical Tide
HAT Date & Time07/24/2040 06:48HAT Date and Time
LAT-1.87Lowest Astronomical Tide
LAT Date & Time06/04/2004 14:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1995 - 08/31/1995
10/01/1995 - 12/31/1999




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