QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 26 Jul 2019 Station : Arecibo, PR Latitude: 18 28.8N Country : USA Longitude: 066 42.1W JASL # : 735A Time Meridian: 060W (GMT - 4 hr) GLOSS # : none Originator #:9757809 NODC #: 71068601 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 : 28 Aug 2008 - 31 Dec 2017 Gaps > 1 mon : 01 Dec 2014 - 27 Mar 2015 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 2008-2017 Refernce Levl: All heights have been referred to the station datum which is linked to fixed bench marks. Comment : The data are of high quality. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 2008 34 none none none 2009 100 none none none 2010 99 77-82 none none 2011 100 none none none 2012 100 none none none 2013 100 none none none 2014 92 334-365 none none 2015 77 1-86 none none 2016 100 none none none 2017 94 267-289 none none