Datums for 9458945, CHIGNIK LAGOON MAIN CHANNEL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9458945, CHIGNIK LAGOON MAIN CHANNEL
Status: Superseded (Apr 17 2003) (Accepted Nov 19 1997)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW8.49Mean Higher-High Water
MHW7.71Mean High Water
MTL4.51Mean Tide Level
MSL4.43Mean Sea Level
DTL4.25Mean Diurnal Tide Level
MLW1.31Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.23Station Datum
GT8.49Great Diurnal Range
MN6.40Mean Range of Tide
DHQ0.78Mean Diurnal High Water Inequality
DLQ1.31Mean Diurnal Low Water Inequality
HWI11.88Greenwich High Water Interval (in hours)
LWI5.49Greenwich 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
08/02/1997 - 08/23/1997




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