Datums for 8512987, Northville NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8512987, Northville, NY
Status: Superseded (Apr 17 2003) (Accepted Nov 16 1999)
Units: Feet
Control Station: 8514560 PORT JEFFERSON, NY
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.95Mean Higher-High Water
MHW5.64Mean High Water
MTL2.94Mean Tide Level
MSL2.92Mean Sea Level
DTL2.98Mean Diurnal Tide Level
MLW0.24Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.50Station Datum
GT5.95Great Diurnal Range
MN5.40Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.24Mean Diurnal Low Water Inequality
HWI3.92Greenwich High Water Interval (in hours)
LWI10.09Greenwich Low Water Interval (in hours)
Max Tide8.99Highest Observed Tide
Max Tide Date & Time10/22/1988 07:42Highest Observed Tide Date & Time
Min Tide-1.81Lowest Observed Tide
Min Tide Date & Time02/09/1989 19:36Lowest Observed Tide Date & Time
HAT7.16Highest Astronomical Tide
HAT Date & Time10/09/2033 16:24HAT Date and Time
LAT-1.12Lowest Astronomical Tide
LAT Date & Time01/31/2014 22:36LAT Date and Time
Tidal Datum Analysis Periods
04/01/1988 - 01/30/1989




Products available at 8512987 Northville, NY