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Datums for 9451936, Provorotni Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451936, Provorotni Island, AK
Status: Accepted (Jan 22 2004)
Units: Feet
Control Station: 9451600 Sitka, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW15.14Mean Higher-High Water
MHW14.16Mean High Water
MTL7.83Mean Tide Level
MSL7.93Mean Sea Level
DTL7.56Mean Diurnal Tide Level
MLW1.51Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND1.24Station Datum
GT15.14Great Diurnal Range
MN12.65Mean Range of Tide
DHQ0.97Mean Diurnal High Water Inequality
DLQ1.51Mean Diurnal Low Water Inequality
HWI9.75Greenwich High Water Interval (in hours)
LWI3.57Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
04/01/2002 - 04/30/2002




Products available at 9451936 Provorotni Island, AK

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