QUALITY ASSESSMENT OF SEA LEVEL DATA                
                                           by the                               
                   UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER     
                                 JOINT ARCHIVE FOR SEA LEVEL                    
                                       updated: 15 Apr 2019
              Station  : Acajutla-C                Latitude:  13 34.4N          
              Country  : El Salvador              Longitude: 089 50.3W 
              JASL #   : 082C                 Time Meridian: 090W (GMT - 6 hr)  
              GLOSS #  : 182  Originator #: 082      NODC #: 71083901           
              Contributor  : UH Sea Level Center                              
                             1000 Pope Rd. MSB 317                              
                             Honolulu, Hawaii 96822
              Originator   : same, in collaboration with
                             National Service of Territorial Studies (SNET)
                             El Salvador
              Original Data: digital
              Instrmnt Type: 1. 8/2010- radar (RAD) gauge 
                                (Vega Vegapuls 62)
                             2. 8/2010- pressure transducer (PRS)

                             Primary channel used in JASL set:
                             2010-: RAD
                            *short gaps in primary channel filled with
                             other channels as available; see UHSLC for
                             specific dates
              Digitzd Intvl: 2 min
              Present Data : Hourly, daily, and monthly values obtained by:     
                    Hourly : Hanning filter centered 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 : 19 Aug 2010 - 31 Dec 2018
              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.  : yes                 Distribution        : 2010-2018
              Refernce Levl: Heights are referred to the station tide staff 
                             zero, which is linked to land-based benchmarks. 
                             This reference zero is unique to this station and
                             is not an official datum (chart, national, etc.) 
                             and is not relative to local tidal parameters, 
                             such as mean lower low water.  See the Originators
                             for benchmark descriptions, maps, and the geodetic
                             levelling history.
              Comment      : Acajutla-C is separate from Acajutla-A,B since
                             the do not have a common reference zero.  The
                             daily values agree well with AVISO altimeter data.
                                                                                
                    CI MISSING              REPLACED GAPS     QUESTIONABLE      
              YEAR (%) DATA                 OR BAD DATA       FLUCTUATIONS      
              ---- --- -------------------- --------------- --------------------
              2010  37 none                 (20)315-(03)316 none
                                            (13)332-(00)333
              2011 100 none                 (11)181-(19)181 none
                                            (09)258-(01)259
              2012  99 40-41                none            none
              2013  96 183-199              (04)005-(19)005 none
                                            (11)006-(01)007
                                            (05)007-(15)007
                                            (00)171-(16)171
                                            (13)174-(00)175
                                            (00)235-(08)235
              2014  93 29-37,115-116,157-   (08)029-(17)029 none
                       161,238-245,260-267, (22)178-(15)179
                       294-296
              2015  93 323-348              (04)214-(11)214 none
              2016  99 54-56,187-189        (06)050-(16)050 none
                                            (05)051-(17)051
                                            (02)052-(17)052
                                            (00)053-(18)053
                                            (23)053-(20)054
                                            (05)058-(15)058
              2017 100 none                 none            none
              2018 100 none                 (04)094-(13)094 none
                                            (02)097-(14)097
                                            (03)232-(12)232
                                            (21)233-(13)234
                                            (04)347-(13)347
                                            (07)348-(16)348
                                            (07)349-(14)349
                                            (05)351-(16)351
                                            (07)352-(14)352
                                            (04)353-(14)353
                                            (04)354-(14)354
                                            (04)355-(14)355
                                            (04)356-(14)356
                                            (03)357-(14)357
                                            (03)358-(14)358
                                            (03)359-(14)359
                                            (03)360-(14)360
                                            (03)361-(14)361
                                            (03)362-(14)362
                                            (03)363-(14)363
                                            (03)364-(14)364
                                            (03)365-(14)365