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Datums for 9444090, Port Angeles WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9444090, Port Angeles, WA
Status: Accepted (Sep 29 2011)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.06Mean Higher-High Water
MHW6.51Mean High Water
MTL4.21Mean Tide Level
MSL4.24Mean Sea Level
DTL3.53Mean Diurnal Tide Level
MLW1.92Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.42North American Vertical Datum of 1988
STND-30.32Station Datum
GT7.06Great Diurnal Range
MN4.60Mean Range of Tide
DHQ0.55Mean Diurnal High Water Inequality
DLQ1.92Mean Diurnal Low Water Inequality
HWI10.56Greenwich High Water Interval (in hours)
LWI4.43Greenwich Low Water Interval (in hours)
Max Tide-19.81Highest Observed Tide
Max Tide Date & Time01/02/2003 19:54Highest Observed Tide Date & Time
Min Tide-35.16Lowest Observed Tide
Min Tide Date & Time06/13/1982 09:36Lowest Observed Tide Date & Time
HAT9.06Highest Astronomical Tide
HAT Date & Time12/30/1986 20:00HAT Date and Time
LAT-3.76Lowest Astronomical Tide
LAT Date & Time06/22/1986 16:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9444090 Port Angeles, WA

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