Datums for 9440581, Cape Disappointment

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9440581, Cape Disappointment
Status: Accepted (Mar 23 2016)
Units: Feet
Control Station: 9439040 Astoria, OR
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW7.76Mean Higher-High Water
MHW7.09Mean High Water
MTL4.15Mean Tide Level
MSL4.05Mean Sea Level
DTL3.88Mean Diurnal Tide Level
MLW1.22Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-52.57Station Datum
GT7.76Great Diurnal Range
MN5.87Mean Range of Tide
DHQ0.67Mean Diurnal High Water Inequality
DLQ1.21Mean Diurnal Low Water Inequality
HWI8.65Greenwich High Water Interval (in hours)
LWI2.16Greenwich Low Water Interval (in hours)
Max Tide11.21Highest Observed Tide
Max Tide Date & Time03/10/2016 09:30Highest Observed Tide Date & Time
Min Tide-3.25Lowest Observed Tide
Min Tide Date & Time12/05/2017 03:12Lowest Observed Tide Date & Time
HAT10.10Highest Astronomical Tide
HAT Date & Time12/31/1986 20:06HAT Date and Time
LAT-2.92Lowest Astronomical Tide
LAT Date & Time06/22/1986 14:42LAT Date and Time
Tidal Datum Analysis Periods
08/01/2015 - 08/31/2015

Products available at 9440581 Cape Disappointment,