Datums for 8517201, North Channel NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8517201, North Channel, NY
Status: Accepted (Dec 30 2015)
Units: Feet
Control Station: 8531680 Sandy Hook, NJ
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.14Mean Higher-High Water
MHW5.78Mean High Water
MTL3.00Mean Tide Level
MSL3.03Mean Sea Level
DTL3.07Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.42North American Vertical Datum of 1988
STND-18.30Station Datum
GT6.15Great Diurnal Range
MN5.56Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI0.63Greenwich High Water Interval (in hours)
LWI7.09Greenwich 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
04/01/2015 - 08/31/2015




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