QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                                                                
              Station  : Praia-C,Cape Verde        Latitude:  14 54.5N
              Country  : Portugal                 Longitude: 023 30.5W
              JASL #   : 222C                 Time Meridian: 015W (GMT - 1 hr)
              GLOSS #  : none Originator #:2630000   NODC #: 71024302
              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   : same                                               
              Original Data: digital 
              Instrmnt Type: Aquatrak acoustic gauge, NOAA 
                             Next Generation Water Level Measuring
                             System (NGWLMS) 
              Digitzd Intvl: six-minute (each sampling is three-minute average)
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : spot sampling on the hour
                    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 1995 - 31 Jan 1996
              Gaps > 1 mon : 06 May 1995 - 25 Sep 1995
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : No                  Operational         : No      
              Sat. Trans.  : No                  Distribution        : 1995-1996
              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 values do not show any 
                             obvious shifts or trends.   New site established 
                             on the island of Sal in 8/2000.  
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1995  61 126-268              (22)340-(09)342 none
              1996   8 none                 none            none