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Datums for 9467551, Nunam Iqua (Sheldon Point) AK


Elevations on Station Datum

Station: 9467551, Nunam Iqua (Sheldon Point), AK
Status: Accepted (Nov 28 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW30.84Mean Higher-High Water
MHW30.17Mean High Water
MTL29.26Mean Tide Level
MSL29.25Mean Sea Level
DTL29.52Mean Diurnal Tide Level
MLW28.36Mean Low Water
MLLW28.20Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT2.64Great Diurnal Range
MN1.81Mean Range of Tide
DHQ0.67Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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
07/01/2011 - 09/30/2011




Products available at 9467551 Nunam Iqua (Sheldon Point), AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services