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Datums for 9459016, Mitrofania Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9459016, Mitrofania Island, AK
Status: Accepted (Apr 7 2005)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.73Mean Higher-High Water
MHW6.96Mean High Water
MTL4.15Mean Tide Level
MSL4.09Mean Sea Level
DTL3.86Mean Diurnal Tide Level
MLW1.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-21.34Station Datum
GT7.73Great Diurnal Range
MN5.62Mean Range of Tide
DHQ0.77Mean Diurnal High Water Inequality
DLQ1.35Mean Diurnal Low Water Inequality
HWI11.21Greenwich High Water Interval (in hours)
LWI4.97Greenwich 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
HAT9.80Highest Astronomical Tide
HAT Date & Time12/02/1990 22:24HAT Date and Time
LAT-2.77Lowest Astronomical Tide
LAT Date & Time12/03/1990 05:36LAT Date and Time
Tidal Datum Analysis Periods
05/01/2004 - 08/31/2004




Products available at 9459016 Mitrofania Island, AK

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