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Datums for 9454777, CHENEGA ISLAND (S.W. END) AK


Elevations on Station Datum

Station: 9454777, CHENEGA ISLAND (S.W. END), AK
Status: Accepted (Jun 2 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW12.11Mean Higher-High Water
MHW11.21Mean High Water
MTL6.50Mean Tide Level
MSL6.59Mean Sea Level
DTL6.20Mean Diurnal Tide Level
MLW1.78Mean Low Water
MLLW0.29Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT11.81Great Diurnal Range
MN9.42Mean Range of Tide
DHQ0.90Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.04Greenwich High Water Interval (in hours)
LWI3.72Greenwich 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
09/03/1996 - 10/29/1996




Products available at 9454777 CHENEGA ISLAND (S.W. END), AK

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