QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 08 Oct 2019 Station : Naha Latitude: 26 13.0N Country : Japan Longitude: 127 40.0E JASL # : 355A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 081 Originator #: NH NODC #: 12126701 Contributor : Japan Meteorological Agency 1-3-4 Otemachi, Chiyoda-ku Tokyo, Japan Originator : Japan Meteorological Agency Original Data: analog Instrmnt Type: float/well: FUESS (1966-1972,2000-2003), LFT-4 (1973-1989) LFT-5 (1990-1999) Digitzd Intvl: hourly Present Data : Hourly, daily, and monthly values obtained by: Hourly : hourly spot reading 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 : 31 Jul 1966 - 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. : No Distribution : 1966-2018 Refernce Levl: All data are referred to a Datum Line (DL) associated with the tide gauge. The Standard Mark (SM) is physically located near the tide gauge and is directly leveled to a First Order Bench Mark of the Geographical Survey Institute. The SM is 5.453m above the DL. Comment : The daily or monthly means do not reveal any obvious reference level shifts. Most questionable fluctuations are related to timing problems with the gauge. Legal Notice Regarding JMA Data http://www.jma.go.jp/jma/en/copyright.html (website refers to where data were downloaded from for input into the JASL) Copyright Notice The material on this website is protected by the Copyright Law of Japan and related international laws. Apart from any fair dealing for the purposes of study, research and other personal use, as permitted under the Copyright Law, no part of the material on this website may be reproduced, re-used or redistributed without notice to the Japan Meteorological Agency. Any quotation from the material requires indication of the source. The Japan Meteorological Agency does not warrant, guarantee or make any representations regarding the currency, correctness, accuracy, reliability or any other aspect of the characteristics or use of the information presented on this website. The user assumes all risk related to the use of the information contained. Japan Meteorological Agency, 1-3-4 Otemachi, Chiyoda-ku, Tokyo 100-8122, Japan CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1966 42 none (02)238-(12)238 none (12)244-(21)244 1967 100 none none 29-31,41-45,52-62, 64-74 1968 100 none none none 1969 100 none (04)282-(12)282 none 1970 100 none none none 1971 100 none none 191,217-221,232-236, 247-250,275-280,318, 335-340,351-355 1972 99 105-109 none 15,34-35,44-47,56- 66,71-81,85-93,98- 104 1973 100 none (18)063-(01)064 51-52,62-64,80,93- (09)154-(15)154 94,108,122-126,135- (07)270-(13)270 140,150-154,164,181- 184,198,210-214,226- 228,238-243,253-259, 268-273,281-288,355, 357-359,362-363 1974 99 289-292 none 7-14,21-27,186,201, 229-233,236,316-317, 345 1975 99 131-133 (18)281-(07)282 1-2,26-31,38-46,56- (03)357-(14)357 60,68-74,82-92,99- 105,113-120,129-130, 133-134 1976 100 none none none 1977 98 136-145 none 134-135,251 1978 100 none none none 1979 100 none none none 1980 100 none none none 1981 100 none none none 1982 100 none none none 1983 100 none none none 1984 99 216-222 none none 1985 100 none none none 1986 98 209-216 none 127-133,148,153-164, 168-180,183-189,202- 208 1987 100 none none none 1988 100 none none none 1989 100 none none none 1990 100 none none none 1991 100 none none none 1992 100 none none none 1993 100 none none none 1994 100 none none none 1995 100 none none none 1996 100 none none none 1997 100 none none none 1998 100 none none none 1999 100 none none none 2000 100 none none none 2001 100 none none none 2002 100 none none none 2003 100 none none none 2004 99 160-161 none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 100 none none none 2009 100 none none none 2010 100 none none none 2011 100 none none none 2012 99 19-20,32-34 none none 2013 100 none none none 2014 100 none none none 2015 100 none none none 2016 100 none none none 2017 100 none none none 2018 99 365 none none