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Datums for 9451936, Provorotni Island AK


Elevations on Station Datum

Station: 9451936, Provorotni Island, AK
Status: Accepted (Jan 22 2004)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW13.90Mean Higher-High Water
MHW12.92Mean High Water
MTL6.59Mean Tide Level
MSL6.69Mean Sea Level
DTL6.32Mean Diurnal Tide Level
MLW0.27Mean Low Water
MLLW-1.24Mean Lower-Low Water
NAVD88
STND0.00Station 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)
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
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