QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                                                                
              Station  : Talara-A                  Latitude:  04 34.9S
              Country  : Peru                     Longitude: 081 16.9W
              JASL #   : 092A                 Time Meridian: 075W (GMT - 5 hr) 
              GLOSS #  : none     TOGA #: none       NODC #: 50084101
              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 : 01 Jan 1950 - 30 Nov 1965
              Gaps > 1 mon : 12 Sep 1952 - 11 Nov 1952;01 Dec 1964 - 01 Jan 1965
                             01 Aug 1965 - 01 Oct 1965
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : No                  Operational         : No
              Sat. Trans.  : No                  Distribution        : 1950-1965
              Refernce Levl: All heights have been referred to the station tide 
                             staff zero which is linked to fixed bench marks.
                             A link has not been established between this
                             time span and the Talara-B series.
              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      
              ---- --- -------------------- --------------- --------------------
              1950  99 1                    none            none
              1951  97 171-182              none            22-28,35-42
              1952  72 215-217,232-239,249- (05)214-(14)214 27-30,57-59
                       253,256-316,320-323, (01)215-(12)215
                       336-364              (05)219-(12)219
                                            (02)220-(12)220
                                            (20)223-(11)224
                                            (21)224-(12)225
                                            (03)230-(23)230
                                            (04)231-(13)231
                                            (17)239-(11)240
                                            (17)240-(12)241
                                            (14)247-(12)248
                                            (21)319-(12)320
                                            (18)324-(12)325
                                            (22)328-(06)329
                                            (02)333-(09)333
                                            (16)334-(23)334
                                            (03)335-(11)335
              1953 100 none                 none            103-104
              1954 100 none                 none            none
              1955 100 none                 none            none
              1956 100 none                 none            none
              1957  50 182-211,245-262      (17)018-(01)019 none
                                            (07)020-(17)020
              1958  93 79-80,81-104         none            none
              1959  97 313-323              (09)309-(16)309 24-25,27,42,56-57,
                                            (06)312-(17)312 81-82,277-279,287-
                                                            294,303-304
              1960  96 239-254              (23)215-(06)216 46-47
                                            (09)223-(23)223
                                            (14)226-(21)226
                                            (22)229-(14)230
                                            (22)230-(14)231
                                            (04)233-(20)233
                                            (03)234-(20)234
                                            (03)235-(13)235
              1961 100 none                 (06)001-(13)001 20-23,26-28,44-50
                                            (06)096-(14)096 74-76,283-287
                                            (01)098-(08)098
                                            (08)153-(16)153
                                            (03)165-(11)165
              1962 100 none                 none            6-9,50-51
              1963 100 none                 none            10-12,26-28,68-69
              1964  92 336-366              none            60-61,248-250
              1965  75 1,213-274            none            52-53