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Datums for 9454721, PERRY ISLAND (SOUTH BAY) AK


Elevations on Station Datum

Station: 9454721, PERRY ISLAND (SOUTH BAY), AK
Status: Accepted (Jun 8 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW10.62Mean Higher-High Water
MHW9.67Mean High Water
MTL4.91Mean Tide Level
MSL5.03Mean Sea Level
DTL4.65Mean Diurnal Tide Level
MLW0.15Mean Low Water
MLLW-1.33Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT11.95Great Diurnal Range
MN9.53Mean Range of Tide
DHQ0.95Mean Diurnal High Water Inequality
DLQ1.48Mean Diurnal Low Water Inequality
HWI10.03Greenwich High Water Interval (in hours)
LWI3.74Greenwich 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
09/01/1995 - 10/31/1995




Products available at 9454721 PERRY ISLAND (SOUTH BAY), AK

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