Datums for 8418009, COW ISLAND, CASCO BAY ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8418009, COW ISLAND, CASCO BAY, ME
Status: Accepted (Apr 20 2004)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.88Mean Higher-High Water
MHW9.45Mean High Water
MTL4.89Mean Tide Level
MSL4.92Mean Sea Level
DTL4.94Mean Diurnal Tide Level
MLW0.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND1.07Station Datum
GT9.89Great Diurnal Range
MN9.11Mean Range of Tide
DHQ0.43Mean Diurnal High Water Inequality
DLQ0.34Mean Diurnal Low Water Inequality
HWI3.57Greenwich High Water Interval (in hours)
LWI9.75Greenwich 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
10/01/1979 - 10/31/1979




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