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Datums for 9455777, BOULDER POINT AK


Elevations on Station Datum

Station: 9455777, BOULDER POINT, AK
Status: Accepted (Dec 12 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW26.84Mean Higher-High Water
MHW26.14Mean High Water
MTL17.04Mean Tide Level
MSL17.27Mean Sea Level
DTL16.29Mean Diurnal Tide Level
MLW7.93Mean Low Water
MLLW5.75Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT21.09Great Diurnal Range
MN18.21Mean Range of Tide
DHQ0.70Mean Diurnal High Water Inequality
DLQ2.18Mean Diurnal Low Water Inequality
HWI1.72Greenwich High Water Interval (in hours)
LWI8.22Greenwich 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
08/14/1999 - 09/12/1999




Products available at 9455777 BOULDER POINT, AK

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