Datums for 9437954, North Fork


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9437954, North Fork
Status: Accepted (Dec 21 2017)
Units: Feet
Control Station: 9437540 Garibaldi, OR
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.53Mean Higher-High Water
MHW7.82Mean High Water
MTL4.49Mean Tide Level
MSL4.44Mean Sea Level
DTL4.26Mean Diurnal Tide Level
MLW1.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-20.84Station Datum
GT8.52Great Diurnal Range
MN6.65Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ1.16Mean Diurnal Low Water Inequality
HWI8.61Greenwich High Water Interval (in hours)
LWI2.77Greenwich 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
HAT10.53Highest Astronomical Tide
HAT Date & Time12/03/1990 20:54HAT Date and Time
LAT-2.49Lowest Astronomical Tide
LAT Date & Time12/03/1986 03:54LAT Date and Time
Tidal Datum Analysis Periods
07/01/2017 - 09/30/2017




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