Datums for 9465182, BLACK ROCK, WALRUS IS BRISTOL B


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9465182, BLACK ROCK, WALRUS IS BRISTOL B
Status: Accepted (Mar 19 2019)
Units: Feet
Control Station: 9463502 Port Moller
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.06Mean Higher-High Water
MHW8.99Mean High Water
MTL5.33Mean Tide Level
MSL5.35Mean Sea Level
DTL5.03Mean Diurnal Tide Level
MLW1.66Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.35Station Datum
GT10.06Great Diurnal Range
MN7.33Mean Range of Tide
DHQ1.07Mean Diurnal High Water Inequality
DLQ1.66Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT13.25Highest Astronomical Tide
HAT Date & Time12/15/1985 11:36HAT Date and Time
LAT-3.62Lowest Astronomical Tide
LAT Date & Time06/23/1986 14:18LAT Date and Time
Tidal Datum Analysis Periods
07/01/1986 - 08/31/1986




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