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Datums for 9468039, Northeast Cape, St. Lawrence Island AK


Elevations on Station Datum

Station: 9468039, Northeast Cape, St. Lawrence Island, AK
Status: Accepted (Nov 23 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW31.58Mean Higher-High Water
MHW31.35Mean High Water
MTL30.34Mean Tide Level
MSL30.37Mean Sea Level
DTL30.35Mean Diurnal Tide Level
MLW29.33Mean Low Water
MLLW29.12Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT2.46Great Diurnal Range
MN2.01Mean Range of Tide
DHQ0.23Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI9.85Greenwich High Water Interval (in hours)
LWI3.69Greenwich 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
07/01/2011 - 09/30/2011




Products available at 9468039 Northeast Cape, St. Lawrence Island, AK

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