Datums for 9457258, NEAR ISLAND


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9457258, NEAR ISLAND
Status: Superseded (Apr 17 2003) (Accepted Nov 10 1999)
Units: Feet
Control Station: 9457292 Kodiak Island, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW8.65Mean Higher-High Water
MHW7.78Mean High Water
MTL4.43Mean Tide Level
MSL4.46Mean Sea Level
DTL4.32Mean Diurnal Tide Level
MLW1.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.27Station Datum
GT8.65Great Diurnal Range
MN6.71Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ1.08Mean Diurnal Low Water Inequality
HWI10.69Greenwich High Water Interval (in hours)
LWI4.29Greenwich 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
08/03/1999 - 08/05/1999




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