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Datums for 9469237, Point Spencer, Port Clarence AK


Elevations on Station Datum

Station: 9469237, Point Spencer, Port Clarence, AK
Status: Accepted (Nov 16 2010)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW5.93Mean Higher-High Water
MHW5.84Mean High Water
MTL5.31Mean Tide Level
MSL5.38Mean Sea Level
DTL5.29Mean Diurnal Tide Level
MLW4.78Mean Low Water
MLLW4.65Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.28Great Diurnal Range
MN1.06Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI5.00Greenwich High Water Interval (in hours)
LWI0.23Greenwich 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
07/20/2010 - 09/01/2010




Products available at 9469237 Point Spencer, Port Clarence, AK

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