Datums for 9451909, GOOD ISLAND, GAMBIER BAY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451909, GOOD ISLAND, GAMBIER BAY
Status: Superseded (Apr 17 2003) (Accepted Oct 27 2000)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW15.22Mean Higher-High Water
MHW14.29Mean High Water
MTL7.91Mean Tide Level
MSL7.99Mean Sea Level
DTL7.60Mean Diurnal Tide Level
MLW1.54Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.71Station Datum
GT15.21Great Diurnal Range
MN12.75Mean Range of Tide
DHQ0.93Mean Diurnal High Water Inequality
DLQ1.54Mean Diurnal Low Water Inequality
HWI9.79Greenwich High Water Interval (in hours)
LWI3.49Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest 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
04/11/1995 - 05/14/1995




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