Datums for 9454652, SOUTH ARM, KNIGHT ISLAND, BAY OF ISLES


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454652, SOUTH ARM, KNIGHT ISLAND, BAY OF ISLES
Status: Superseded (Apr 17 2003) (Accepted Feb 10 1999)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW11.84Mean Higher-High Water
MHW10.89Mean High Water
MTL6.19Mean Tide Level
MSL6.32Mean Sea Level
DTL5.92Mean Diurnal Tide Level
MLW1.49Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND4.13Station Datum
GT11.84Great Diurnal Range
MN9.41Mean Range of Tide
DHQ0.95Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.06Greenwich High Water Interval (in hours)
LWI3.76Greenwich 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
HAT15.42Highest Astronomical Tide
HAT Date & Time11/24/2003 21:54HAT Date and Time
LAT-3.92Lowest Astronomical Tide
LAT Date & Time06/07/2039 16:36LAT Date and Time
Tidal Datum Analysis Periods
08/06/1998 - 10/21/1998




Products available at 9454652 SOUTH ARM, KNIGHT ISLAND, BAY OF ISLES,