QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 25 Jul 2019 Station : Isabel Segunda, PR Latitude: 18 9.1N Country : USA Longitude: 065 26.6W JASL # : 732A Time Meridian: 060W (GMT - 4 hr) GLOSS # : none Originator #:9752619 NODC #: 71068502 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 Digitzd Intvl: 6 minute (each sampling is three-minute average) Present Data : Hourly, daily, and monthly values obtained by: Hourly : Discrete 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 : 06 Mar 2009 - 20 Oct 2017 Gaps > 1 mon : 21 Sep 2011 - 01 Jan 2012;26 Nov 2014 - 28 Jan 2015 28 Dec 2015 - 16 Mar 2016 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 2009-2017 Refernce Levl: All heights have been referred to the station datum which is linked to fixed bench marks. A constant of 5000 mm was subtracted from originator's data to fit the UH format. Comment : The station is located on Vieques Island. The data are of high quality. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 2009 82 none none none 2010 100 none none none 2011 72 264-365 none none 2012 95 1,11-24,189-194 none none 2013 100 none none none 2014 90 330-365 none none 2015 92 1-28,362-365 none none 2016 71 1-76,136-166 none none 2017 80 none none none