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Datums for 9414509, Dumbarton Bridge CA


Elevations on Station Datum

Station: 9414509, Dumbarton Bridge, CA
Status: Accepted (Sep 27 2012)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW20.61Mean Higher-High Water
MHW20.00Mean High Water
MTL16.63Mean Tide Level
MSL16.68Mean Sea Level
DTL16.31Mean Diurnal Tide Level
MLW13.26Mean Low Water
MLLW12.00Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT8.61Great Diurnal Range
MN6.74Mean Range of Tide
DHQ0.62Mean Diurnal High Water Inequality
DLQ1.26Mean Diurnal Low Water Inequality
HWI8.33Greenwich High Water Interval (in hours)
LWI2.09Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT22.17Highest Astronomical Tide
HAT Date & Time01/19/1988 20:06HAT Date and Time
LAT9.87Lowest Astronomical Tide
LAT Date & Time06/13/1991 15:36LAT Date and Time
Tidal Datum Analysis Periods
02/01/2011 - 02/28/2011
04/01/2011 - 07/31/2011




Products available at 9414509 Dumbarton Bridge, CA

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