Datums for 9467861, Kotlik, AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9467861, Kotlik, AK
Status: Accepted (Aug 10 2021)
Units: Feet
Control Station: 9468333 Unalakleet, AK
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.22Mean Higher-High Water
MHW2.36Mean High Water
MTL1.27Mean Tide Level
MSL1.17Mean Sea Level
DTL1.61Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-3.05North American Vertical Datum of 1988
STND-27.86Station Datum
GT3.22Great Diurnal Range
MN2.18Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT4.90Highest Astronomical Tide
HAT Date & Time07/14/2022 18:06HAT Date and Time
LAT-1.40Lowest Astronomical Tide
LAT Date & Time11/09/2025 17:00LAT Date and Time
Tidal Datum Analysis Periods
08/01/2020 - 09/30/2020




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