Datums for 8518490, NEW ROCHELLE NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8518490, NEW ROCHELLE, NY
Status: Accepted (May 12 2011)
Units: Feet
Control Station: 8516990 Willets Point, NY
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.90Mean Higher-High Water
MHW7.55Mean High Water
MTL3.90Mean Tide Level
MSL3.91Mean Sea Level
DTL3.95Mean Diurnal Tide Level
MLW0.26Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD884.19North American Vertical Datum of 1988
STND-1.60Station Datum
GT7.91Great Diurnal Range
MN7.29Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.26Mean Diurnal Low Water Inequality
HWI3.80Greenwich High Water Interval (in hours)
LWI10.47Greenwich Low Water Interval (in hours)
Max Tide12.10Highest Observed Tide
Max Tide Date & Time02/19/1972 13:48Highest Observed Tide Date & Time
Min Tide-4.37Lowest Observed Tide
Min Tide Date & Time02/02/1976 19:36Lowest 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
01/01/1980 - 12/31/1981




Products available at 8518490 NEW ROCHELLE, NY