QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                                                                
              Station  : Westport                  Latitude:  41 44.0S
              Country  : New Zealand              Longitude: 171 36.0E
              JASL #   : 074A                 Time Meridian: 180E (GMT + 12 hr) 
              GLOSS #  : none     TOGA #: none       NODC #: 34171101
              Contributor  : Royal New Zealand Navy - Hydrographic Office       
                             Burns Avenue                                       
                             Takapuna, Auckland, New Zealand                    
              Originator   : same                                               
              Original Data: digital                                            
              Instrmnt Type: DSIR (NZ) Kainga pressure transducer, Campbell     
                             CR10 data logger                                   
              Digitzd Intvl: operator selective, normally 5 minutes             
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : manual extraction of hourlies from digital record  
                    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 Aug 1984 - 31 Dec 1985
              Gaps > 1 mon : none
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : Yes                 Operational         : Yes      
              Sat. Trans.  : No                  Distribution        : 1984-1985
              Refernce Levl: The sea level heights are referred to the zero     
                             point assigned to the tide staff.                  
              Comment      : The daily and monthly values do not show any       
                             obvious shifts or trends.  The daily values show
                             large peaks of a few days duration associated with
                             extreme weather.
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1984  42 none                 none            none
              1985  99 365                  (01)148-(11)148 none
                                            (16)149-(23)149
                                            (01)172-(08)172