Datums for 9468877, White Mountain, AK AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9468877, White Mountain, AK, AK
Status: Accepted (May 28 2025)
Units: Feet
Control Station: 9468756 Nome, Norton Sound, AK
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.94Mean Higher-High Water
MHW0.94Mean High Water
MTL0.47Mean Tide Level
MSL0.41Mean Sea Level
DTL0.47Mean Diurnal Tide Level
MLW0.00Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-5.48North American Vertical Datum of 1988
STND-17.94Station Datum
GT0.94Great Diurnal Range
MN0.94Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.00Mean 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
HAT1.62Highest Astronomical Tide
HAT Date & Time07/21/2005 23:24HAT Date and Time
LAT-0.47Lowest Astronomical Tide
LAT Date & Time11/10/2025 02:06LAT Date and Time
Tidal Datum Analysis Periods
07/01/2024 - 07/31/2024




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