Datums for 9468039, Northeast Cape, St. Lawrence Island


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9468039, Northeast Cape, St. Lawrence Island
Status: Accepted (Nov 23 2011)
Units: Feet
Control Station:
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.46Mean Higher-High Water
MHW2.23Mean High Water
MTL1.22Mean Tide Level
MSL1.25Mean Sea Level
DTL1.23Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-29.12Station 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)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT3.19Highest Astronomical Tide
HAT Date & Time11/27/2003 00:12HAT Date and Time
LAT-0.48Lowest Astronomical Tide
LAT Date & Time10/29/2007 17:54LAT Date and Time
Tidal Datum Analysis Periods
07/01/2011 - 09/30/2011




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