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Datums for 9451805, Scraggy Island AK


Elevations on Station Datum

Station: 9451805, Scraggy Island, AK
Status: Accepted (Mar 24 2005)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW9.85Mean Higher-High Water
MHW9.00Mean High Water
MTL5.19Mean Tide Level
MSL5.16Mean Sea Level
DTL4.86Mean Diurnal Tide Level
MLW1.38Mean Low Water
MLLW-0.12Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT9.97Great Diurnal Range
MN7.62Mean Range of Tide
DHQ0.85Mean Diurnal High Water Inequality
DLQ1.50Mean Diurnal Low Water Inequality
HWI9.52Greenwich High Water Interval (in hours)
LWI3.24Greenwich 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
05/01/2004 - 05/31/2004




Products available at 9451805 Scraggy Island, AK

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