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Datums for 9466057, Popokamute (Kokokamute), Kuskokwim River AK


Data Quality Data from this station was collected using methodology that does not meet CO-OPS highest level of accuracy (no more than 10 cm, 95% Confidence Interval (CI) referenced to a tidal datum). Recognizing that lower quality data can be used for certain applications CO-OPS is making this data available to its users with restraint. The average six-minute water level observations derived from this system have an accuracy ranging from 10.0 - 30.0 cm, 95% CI on datum. Users are cautioned to consider the accuracy of these data before using them for critical navigational or coastal engineering purposes.

Elevations on Station Datum

Station: 9466057, Popokamute (Kokokamute), Kuskokwim River, AK
Status: Accepted (Jan 11 2012)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW31.18Mean Higher-High Water
MHW29.08Mean High Water
MTL24.93Mean Tide Level
MSL25.21Mean Sea Level
DTL25.67Mean Diurnal Tide Level
MLW20.77Mean Low Water
MLLW20.16Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT11.02Great Diurnal Range
MN8.30Mean Range of Tide
DHQ2.10Mean Diurnal High Water Inequality
DLQ0.62Mean Diurnal Low Water Inequality
HWI8.86Greenwich High Water Interval (in hours)
LWI3.56Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT34.62Highest Astronomical Tide
HAT Date & Time12/14/1985 10:18HAT Date and Time
LAT19.17Lowest Astronomical Tide
LAT Date & Time07/08/1996 09:00LAT Date and Time
Tidal Datum Analysis Periods
07/01/2011 - 08/31/2011




Products available at 9466057 Popokamute (Kokokamute), Kuskokwim River, AK

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