Datums for 9437540, Garibaldi OR


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9437540, Garibaldi, OR
Status: Accepted (Aug 20 2020)
Units: Feet
Control Station: 9439040 Astoria, OR
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.32Mean Higher-High Water
MHW7.61Mean High Water
MTL4.49Mean Tide Level
MSL4.50Mean Sea Level
DTL4.16Mean Diurnal Tide Level
MLW1.37Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.99Station Datum
GT8.32Great Diurnal Range
MN6.24Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ1.37Mean Diurnal Low Water Inequality
HWI8.59Greenwich High Water Interval (in hours)
LWI2.09Greenwich Low Water Interval (in hours)
Max Tide12.08Highest Observed Tide
Max Tide Date & Time01/04/2022 01:30Highest Observed Tide Date & Time
Min Tide-3.47Lowest Observed Tide
Min Tide Date & Time11/26/2007 02:54Lowest Observed Tide Date & Time
HAT10.43Highest Astronomical Tide
HAT Date & Time12/23/2003 20:00HAT Date and Time
LAT-2.59Lowest Astronomical Tide
LAT Date & Time06/15/2022 15:12LAT Date and Time
Tidal Datum Analysis Periods
05/01/2007 - 04/30/2019




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