Datums for 9440691, NASELLE RIVER SWING BRIDGE WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9440691, NASELLE RIVER SWING BRIDGE, WA
Status: Accepted (Jan 4 2010)
Units: Feet
Control Station: 9440910 Toke Point, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.71Mean Higher-High Water
MHW9.95Mean High Water
MTL5.72Mean Tide Level
MSL5.92Mean Sea Level
DTL5.35Mean Diurnal Tide Level
MLW1.48Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.33Station Datum
GT10.72Great Diurnal Range
MN8.48Mean Range of Tide
DHQ0.76Mean Diurnal High Water Inequality
DLQ1.48Mean Diurnal Low Water Inequality
HWI9.51Greenwich High Water Interval (in hours)
LWI3.17Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
05/14/1982 - 06/13/1982




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