Datums for 9447110, LOCKHEED SHIPYARD WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9447110, LOCKHEED SHIPYARD, WA
Status: Accepted (Jun 10 2003)
Units: Feet
Control Station: 9447130 Seattle, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.38Mean Higher-High Water
MHW10.52Mean High Water
MTL6.68Mean Tide Level
MSL6.65Mean Sea Level
DTL5.69Mean Diurnal Tide Level
MLW2.84Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.38North American Vertical Datum of 1988
STND-5.16Station Datum
GT11.38Great Diurnal Range
MN7.67Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ2.84Mean Diurnal Low Water Inequality
HWI0.38Greenwich High Water Interval (in hours)
LWI6.62Greenwich Low Water Interval (in hours)
Max Tide13.94Highest Observed Tide
Max Tide Date & Time12/15/1977 00:00Highest Observed Tide Date & Time
Min Tide-4.19Lowest Observed Tide
Min Tide Date & Time12/30/1978 23:18Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
01/01/1978 - 12/31/1980




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