QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                                                                
              Station  : Palmyra Island            Latitude:  05 53.0N
              Country  : USA Trust                Longitude: 162 05.3W
              JASL #   : 043A                 Time Meridian: 150W (GMT - 10 hr) 
              GLOSS #  : none     TOGA #: none       NODC #: 70165201
              Contributor  : National Ocean Service (NOS)              
                             National Ocean. and Atmos. Administration (NOAA)
                             N/OES22
                             SSMC4, STATION 7109
                             1305 East West Highway
                             Silver Spring, MD. 20910-3233
              Originator   : US Coast and Geodetic Survey (agency defunct)
              Original Data: analog
              Instrmnt Type: standard float/well
              Digitzd Intvl: hourly
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : spot hourly
                    Daily  : 119-point convolution filter (Bloomfield, 1976)    
                             centered on noon applied to the hourly data        
                             with respective periods of the 95, 50, and 5%      
                             amplitude points at 124.0, 60.2, and 40.2 hours    
                    Monthly: Simple average of all daily values; calculated if  
                             7 or fewer days are missing                        
              Span of data : 31 May 1947 - 12 Nov 1949
              Gaps > 1 mon : 01 Jun 1948 - 03 Jul 1948
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : No                  Operational         : No       
              Sat. Trans.  : No                  Distribution        : 1947-1949
              Refernce Levl: All heights have been referred to the station tide 
                             staff zero which is linked to fixed bench marks.
                             While standard mechanical or ADR instrument was the
                             primary gauge, leveling calibration factors were
                             applied monthly based on tide staff comparisons.
              Comment      : The daily and monthly means reveal no apparent     
                             changes in the reference level.  The timing is 
                             good.  The site was located on Dock #2 of the
                             west lagoon.
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1947  59 none                 none              none              
              1948  87 153-188,194-195,197- (10)306-(09)307   none              
                       202,284-293
              1949  87 none                 none              none