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Datums for 9414290, San Francisco CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9414290, San Francisco, CA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.84Mean Higher-High Water
MHW5.23Mean High Water
MTL3.18Mean Tide Level
MSL3.12Mean Sea Level
DTL2.92Mean Diurnal Tide Level
MLW1.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.06North American Vertical Datum of 1988
STND-5.98Station Datum
GT5.84Great Diurnal Range
MN4.09Mean Range of Tide
DHQ0.61Mean Diurnal High Water Inequality
DLQ1.13Mean Diurnal Low Water Inequality
HWI7.53Greenwich High Water Interval (in hours)
LWI0.85Greenwich Low Water Interval (in hours)
Max Tide8.66Highest Observed Tide
Max Tide Date & Time01/27/1983 09:30Highest Observed Tide Date & Time
Min Tide-2.88Lowest Observed Tide
Min Tide Date & Time12/17/1933 18:00Lowest Observed Tide Date & Time
HAT7.26Highest Astronomical Tide
HAT Date & Time12/31/1990 18:06HAT Date and Time
LAT-1.93Lowest Astronomical Tide
LAT Date & Time05/25/1990 13:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9414290 San Francisco, CA

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