QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                       updated: 06 Apr 1999
              Station  : Matarani                  Latitude:  17 00.0S
              Country  : Peru                     Longitude: 072 07.0W
              JASL #   : 094A                 Time Meridian: 075W (GMT - 5 hr) 
              GLOSS #  : none     TOGA #: none       NODC #: 51077201
              Contributor  : Scripps Institute of Oceanography (D.Luther)
                             University of California at San Diego              
                             La Jolla, California                               
              Originator   : Coastal Geodetic Survey (US Govt)
              Original Data: unconfirmed
              Instrmnt Type: unconfirmed
              Digitzd Intvl: unconfirmed
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : key-punched from 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 : 22 Mar 1954 - 31 Dec 1964
              Gaps > 1 mon : 15 Jun 1958 - 20 Aug 1958
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : No                  Operational         : No
              Sat. Trans.  : No                  Distribution        : 1954-1964
              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.  
                             Notable episodic events:
                             09-10 Mar 1957: Tsunami from C. Aleutians
                             23-25 May 1960: Tsunami from S.C. Chile
                             28-29 Mar 1964: Tsunami from Alaska


                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1954  78 none                 none            none
              1955 100 none                 none            none
              1956 100 none                 none            none
              1957 100 none                 none            none
              1958  82 166-232              none            none
              1959 100 none                 none            none
              1960 100 none                 (16)297-(05)298 none
                                            (10)350-(18)350
              1961 100 none                 none            none
              1962 100 none                 none            none
              1963 100 none                 none            none
              1964 100 none                 none            none