QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 27 May 1999 Station : Puerto Quetza-B Latitude: 13 55.3N Country : Guatemala Longitude: 090 47.1W JASL # : 301B Time Meridian: 090W (GMT - 6 hr) GLOSS # : none TOGA #: none NODC #: 71093001 Contributor : UH SEA LEVEL CENTER Dept. of Oceanography University of Hawaii Honolulu, Hawaii 96822 Originator : Instituto Nacional de Meteorologia y Hidrologia 7A Avenida 14-57 Zona 13 Guatemala, C.A. GUATEMALA Original Data: digital Instrmnt Type: Fischer and Porter analog-to-digital recorder (ADR) float/well gauge Digitzd Intvl: 15 minutes Present Data : Hourly, daily, and monthly values obtained by: Hourly : three-point filter centered on the hour with weights 25-50-25 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 : 26 Aug 1992 - 01 May 1996 Gaps > 1 mon : 01 May 1993 - 01 Jun 1993;01 Aug 1993 - 01 Apr 1994 27 Apr 1994 - 01 Jul 1994;01 Oct 1994 - 04 Nov 1994 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : No Sat. Trans. : No Distribution : 1992-1995 Refernce Levl: The data have been linked to tide staff zero which is tied to a network of bench marks. This series is unique from P.Quetzal-A because it appears they are not tied to the same datum. Comment : The data contain numerous gaps. The daily means agree reasonably well with Acapulco. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1992 35 none none none 1993 84 23-32,121-152, none none 178-196 1994 41 1-90,109-110,117- (08)214-(20)214 182-196,310-311 182,243-268,274-308 1995 92 66-94,211-213 (06)276-(17)276 48-55,62 (00)335-(15)335 1996 33 8-10 none none