Datums for 8420411, DOVER, COCHECO RIVER NH

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8420411, DOVER, COCHECO RIVER, NH
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW7.66Mean Higher-High Water
MHW7.30Mean High Water
MTL3.78Mean Tide Level
MSL3.91Mean Sea Level
DTL3.83Mean Diurnal Tide Level
MLW0.26Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-6.28Station Datum
GT7.66Great Diurnal Range
MN7.04Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.26Mean Diurnal Low Water Inequality
HWI5.33Greenwich High Water Interval (in hours)
LWI11.40Greenwich 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
07/01/1998 - 08/31/1998
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.

Products available at 8420411 DOVER, COCHECO RIVER, NH