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Datums for 9458293, Chirikof Island AK


Elevations on Station Datum

Station: 9458293, Chirikof Island, AK
Status: Accepted (Aug 18 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW131.22Mean Higher-High Water
MHW130.38Mean High Water
MTL127.15Mean Tide Level
MSL127.05Mean Sea Level
DTL126.83Mean Diurnal Tide Level
MLW123.93Mean Low Water
MLLW122.45Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT8.77Great Diurnal Range
MN6.45Mean Range of Tide
DHQ0.83Mean Diurnal High Water Inequality
DLQ1.48Mean Diurnal Low Water Inequality
HWI10.47Greenwich High Water Interval (in hours)
LWI4.14Greenwich 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
HAT133.31Highest Astronomical Tide
HAT Date & Time12/12/1985 22:12HAT Date and Time
LAT119.58Lowest Astronomical Tide
LAT Date & Time12/13/1985 05:18LAT Date and Time
Tidal Datum Analysis Periods
06/01/2006 - 08/31/2006




Products available at 9458293 Chirikof Island, AK

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