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Datums for 9458293, Chirikof Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9458293, Chirikof Island, AK
Status: Accepted (Jun 18 2018)
Units: Feet
Control Station: 9457292 Kodiak Island, AK
T.M.: 135
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW8.77Mean Higher-High Water
MHW7.93Mean High Water
MTL4.70Mean Tide Level
MSL4.61Mean Sea Level
DTL4.38Mean Diurnal Tide Level
MLW1.48Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-122.43Station Datum
GT8.77Great Diurnal Range
MN6.45Mean Range of Tide
DHQ0.83Mean Diurnal High Water Inequality
DLQ1.48Mean Diurnal Low Water Inequality
HWI10.45Greenwich High Water Interval (in hours)
LWI4.15Greenwich 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
HAT10.87Highest Astronomical Tide
HAT Date & Time12/12/1985 22:12HAT Date and Time
LAT-2.86Lowest 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