Datums for 9465911, Kwigillinok AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9465911, Kwigillinok, AK
Status: Accepted (Mar 17 2020)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.38Mean Higher-High Water
MHW8.29Mean High Water
MTL4.45Mean Tide Level
MSL4.75Mean Sea Level
DTL5.19Mean Diurnal Tide Level
MLW0.60Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.90North American Vertical Datum of 1988
STND-17.66Station Datum
GT10.39Great Diurnal Range
MN7.69Mean Range of Tide
DHQ2.09Mean Diurnal High Water Inequality
DLQ0.61Mean Diurnal Low Water Inequality
HWI4.66Greenwich High Water Interval (in hours)
LWI12.23Greenwich 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
07/01/2019 - 08/31/2019




Products available at 9465911 Kwigillinok, AK