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      DataExtremesNorth Spit, Humboldt Bay, CANorth Spit, Humboldt Bay, 
            CA: Data Inventory
            Station ID: 9418767Page Help

      Datums
      Click HERE for printable version


            Data Units:
             Feet  Meters 

        

Aug 13 2011 02:39 GMT    ELEVATIONS ON STATION DATUM
                        National Ocean Service (NOAA)
 
Station:  9418767                                           T.M.:         0 W
Name:     North Spit, Humboldt Bay, CA                      Units:     Meters
Status:   Accepted (Apr 17 2003)                            Epoch:  1983-2001
                                                            Datum:       STND
 
          Datum         Value  Description
          ---------  --------  ----------------------------------------
          MHHW          6.524  Mean Higher-High Water
          MHW           6.307  Mean High Water
          MSL           5.562  Mean Sea Level
          MTL           5.562  Mean Tide Level
          DTL           5.479  Mean Diurnal Tide Level
          MLW           4.817  Mean Low Water
          NAVD88        4.537  North American Vertical Datum of 1988
          MLLW          4.434  Mean Lower-Low Water
          STND          0.000  Station Datum
 
          GT            2.090  Great Diurnal Range
          MN            1.490  Mean Range of Tide
          DHQ           0.216  Mean Diurnal High Water Inequality
          DLQ           0.384  Mean Diurnal Low  Water Inequality

          HWI           7.63   Greenwich High Water Interval (in Hours)
          LWI           1.18   Greenwich Low  Water Interval (in Hours)

          Maximum       7.397  Highest Observed Water Level
          Max Date   19830126  Highest Observed Water Level Date
          Max Time      09:00  Highest Observed Water Level Time
          Minimum       3.551  Lowest  Observed Water Level
          Min Date   19880119  Lowest  Observed Water Level Date
          Min Time      18:18  Lowest  Observed Water Level Time

          HAT           7.134  Highest Astronomical Tide
          HAT Date   19861231  Highest Astronomical Tide Date
          HAT Time      19:00  Highest Astronomical Tide Time
          LAT           3.708  Lowest  Astronomical Tide
          LAT Date   19900525  Lowest  Astronomical Tide Date
          LAT Time      14:12  Lowest  Astronomical Tide Time

          Tidal Datum Analysis Period:  01/01/1983 - 12/31/2001
 
Click HERE for further station information including New Epoch products.
 
To refer Water Level Heights to
   NAVD88 (North American Vertical Datum of 1988), apply the values located at:
   National Geodetic Survey






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