Datums for 8447505, CHATHAM, STAGE HARBOR MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447505, CHATHAM, STAGE HARBOR, MA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8449130 Nantucket Island, MA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.58Mean Higher-High Water
MHW4.21Mean High Water
MTL2.24Mean Tide Level
MSL2.34Mean Sea Level
DTL2.29Mean Diurnal Tide Level
MLW0.26Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.69North American Vertical Datum of 1988
STND-3.11Station Datum
GT4.58Great Diurnal Range
MN3.95Mean Range of Tide
DHQ0.37Mean Diurnal High Water Inequality
DLQ0.26Mean Diurnal Low Water Inequality
HWI4.50Greenwich High Water Interval (in hours)
LWI10.25Greenwich 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
08/01/1992 - 09/30/1992




Products available at 8447505 CHATHAM, STAGE HARBOR, MA