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Datums for 9454907, BLACKSTONE BAY, PR. WILLIAM SOUND AK


Elevations on Station Datum

Station: 9454907, BLACKSTONE BAY, PR. WILLIAM SOUND, AK
Status: Accepted (Jun 16 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW11.94Mean Higher-High Water
MHW11.03Mean High Water
MTL6.17Mean Tide Level
MSL6.30Mean Sea Level
DTL5.88Mean Diurnal Tide Level
MLW1.30Mean Low Water
MLLW-0.19Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT12.13Great Diurnal Range
MN9.72Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.12Greenwich High Water Interval (in hours)
LWI3.82Greenwich 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
09/10/1995 - 10/11/1995
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9454907 BLACKSTONE BAY, PR. WILLIAM SOUND, AK

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