QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                       Updated: 17 Jul 2006
              Station  : Veracruz-B,Ver.           Latitude:  19 12.0N          
              Country  : Mexico                   Longitude: 096 08.0W          
              JASL #   : 250B                 Time Meridian: 090W (GMT - 6 hr)  
              GLOSS #  : 212  Originator #: 1302     NODC #: 71099601           
              Contributor  : Secretaria de Marina, Armada de Mexico
                             Depart. de Procesamiento y Analisis Mareografico
                             Coyoacan, D.F.
                             MEXICO
              Originator   : same                                               
              Original Data: digital
              Instrmnt Type: Aanderaa pressure gauge
              Digitzd Intvl: 6 minutes                                       
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : spot 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 : 06 Jun 1999 - 14 Dec 2004
              Gaps > 1 mon : 01 Aug 1999 - 09 Oct 1999;11 Nov 1999 - 21 Dec 1999
                             13 Jun 2000 - 21 Sep 2000;01 Nov 2000 - 30 Nov 2000
                             07 Jun 2001 - 18 Jul 2001;06 Dec 2001 - 08 Jan 2002
                             07 Oct 2002 - 25 Nov 2002;10 Dec 2002 - 07 Feb 2003
                             29 Aug 2003 - 03 Oct 2003;04 May 2004 - 13 Aug 2004
              Time Refernce: GMT (hours 00-23)   Space-filler Flag   :-9999     
              Units        : millimeters         Missing Data Flag   : 9999     
              Existing     : Yes                 Operational         : Yes      
              Sat. Trans.  : No                  Distribution        : 1999-2004
              Refernce Levl: The sea level heights are referred to Mean Low
                             Water.  Benchmarks: Aux#1: 1.42 ft in from the face
                             of the seawall and 31.2ft east of the south corner
                             of the northern wing of the Escuela Nautica
                             Mercante Fernando Siliceo. Aux#2: 44.5ft east from
                             lamp post numbered 33 situated in parkway dividing 
                             the Blvd. Avila Camacho and 76.5ft west from the
                             intersection of small seawall breakwater.
                             tide staff zero which is surveyed to fixed
                             bench marks on land.

                             Series Veracruz-A is separate from Veracruz-B
                             because they are not linked to the same datum.
              Comment      : The daily and monthly values do not reveal any     
                             obvious reference level shifts or trends.          
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              1999  19 213-282,297-298,315- (23)365-(06)001 none
                       355
              2000  62 100-101,165-265,270- (23)366-(06)001 none
                       273,291-298,306-335
              2001  75 36-37,42-43,110-115, (22)027-(15)028 none
                       158-199,273-282,305- (22)282-(21)283
                       307,312-318,333-334,
                       340-365
              2002  72 1-8,25-26,32-36,41-  (21)038-(20)039 none
                       45,53-64,139-140,    (07)048-(23)048
                       197-199,280-329,     (00)084-(20)084
                       344-365              (21)098-(20)099
                                            (21)157-(20)158
                                            (21)330-(20)331
                                            (07)343-(15)343
              2003  62 1-38,75-77,98-105,   (22)093-(20)094 225-232
                       156-157,199-225,232- (14)142-(23)142
                       233,241-276,281-283, (05)234-(15)234
                       337-365              (14)296-(23)296
              2004  61 1,32-34,83-97,125-   (19)039-(04)040 none
                       226,285-298,346-347  (22)048-(19)049
                                            (17)063-(06)064
                                            (15)231-(01)232