Datums for 9469146, Imuruk Basin


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9469146, Imuruk Basin
Status: Accepted (Feb 20 2024)
Units: Feet
Control Station: 9468756 Nome, Norton Sound, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.46Mean Higher-High Water
MHW0.43Mean High Water
MTL0.25Mean Tide Level
MSL0.22Mean Sea Level
DTL0.23Mean Diurnal Tide Level
MLW0.07Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-3.62North American Vertical Datum of 1988
STND-34.42Station Datum
GT0.46Great Diurnal Range
MN0.35Mean Range of Tide
DHQ0.02Mean Diurnal High Water Inequality
DLQ0.08Mean 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
HAT0.40Highest Astronomical Tide
HAT Date & Time06/07/2004 13:12HAT Date and Time
LAT0.01Lowest Astronomical Tide
LAT Date & Time12/30/2030 08:54LAT Date and Time
Tidal Datum Analysis Periods
07/01/2023 - 09/30/2023




Products available at 9469146 Imuruk Basin,