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Datums for 9455760, Nikiski AK


Elevations on Station Datum

Station: 9455760, Nikiski, AK
Status: Accepted (Aug 6 2014)
Units: Feet
T.M.: 0
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW27.18Mean Higher-High Water
MHW26.46Mean High Water
MTL17.60Mean Tide Level
MSL17.89Mean Sea Level
DTL16.89Mean Diurnal Tide Level
MLW8.74Mean Low Water
MLLW6.60Mean Lower-Low Water
NAVD8813.92North American Vertical Datum of 1988
STND0.00Station Datum
GT20.58Great Diurnal Range
MN17.72Mean Range of Tide
DHQ0.73Mean Diurnal High Water Inequality
DLQ2.14Mean Diurnal Low Water Inequality
HWI1.20Greenwich High Water Interval (in hours)
LWI7.58Greenwich Low Water Interval (in hours)
Maximum35.00Highest Observed Water Level
Max Date & Time12/26/1976 09:00Highest Observed Water Level Date and Time
Minimum0.28Lowest Observed Water Level
Min Date & Time12/14/2008 08:54Lowest Observed Water Level Date and Time
HAT32.21Highest Astronomical Tide
HAT Date & Time10/17/1993 01:36HAT Date and Time
LAT0.82Lowest Astronomical Tide
LAT Date & Time06/14/1995 20:36LAT Date and Time
Tidal Datum Analysis Periods
10/01/1996 - 09/30/2010
06/01/2012 - 05/31/2013




Products available at 9455760 Nikiski, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services