QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                                                                
              Station  : Kanton-A                  Latitude:  02 48.6S          
              Country  : Republic of Kiribati     Longitude: 171 43.1W          
              JASL #   : 013A                 Time Meridian: PHOT (GMT + 13 hr)
              GLOSS #  : 145      TOGA #: P052       NODC #: 50172101           
              Contributor  : Scripps Institute of Oceanography                  
                             University of California at San Diego              
                             La Jolla, California                               
              Originator   : unconfirmed                                        
              Original Data: unconfirmed                                        
              Instrmnt Type: unconfirmed                                        
              Digitzd Intvl: unconfirmed                                        
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : unconfirmed                                        
                    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 : 28 May 1949 - 15 Sep 1967
              Gaps > 1 mon : none
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : No                  Operational         : No
              Sat. Trans.  : No                  Distribution        : 1949-1967
              Refernce Levl: All heights have been referred to the station tide 
                             staff zero which is linked to fixed bench marks    
              Comment      : The daily and monthly means reveal no apparent     
                             changes in the reference level and agree well
                             with Christmas Island.  The timing is not better
                             than +/- 7 minutes. 
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1949  60 none                 none            none
              1950 100 none                 none            none
              1951 100 none                 none            none
              1952 100 none                 none            none
              1953 100 none                 none            none
              1954 100 none                 none            none
              1955 100 none                 (17)124-(02)125 none
              1956 100 none                 none            none
              1957  98 98-106               none            none
              1958 100 none                 none            none
              1959 100 none                 none            none
              1960 100 none                 (15)044-(08)045 none
              1961  94 152-173              none            none
              1962 100 none                 none            none
              1963 100 none                 (10)058-(09)059 none
              1964 100 none                 none            none
              1965 100 none                 (21)258-(08)259 none
              1966 100 none                 (13)213-(21)213 none
              1967  71 none                 none            none