QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 09 Oct 2019 Station : Wakkanai Latitude: 45 24.0N Country : Japan Longitude: 141 41.0E JASL # : 360A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 324 Originator #: WN NODC #: 14145101 Contributor : Japan Meteorological Agency 1-3-4 Otemachi, Chiyoda-ku Tokyo, Japan and for data prior to 2011 Japan Oceanographic Data Center Originator : same Original Data: analog Instrmnt Type: float/well: FT-II (1966-11/1967) LFT (12/1967-1969) LFT-4 (1970-10/1991) LFT-3 (11/1991-4/1996) DFT-2 (5/1996-2002) FUESS (2003-) 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 : 01 Jan 1967 - 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 : 1967-2018 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 3.745m above the DL. Comment : The daily or monthly means do not reveal any obvious reference level shifts. 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 ---- --- -------------------- --------------- -------------------- 1967 100 none none none 1968 98 93-96,261-264, (15)077-(23)077 none 301-304 (02)122-(23)122 (02)142-(23)142 (02)153-(00)154 (10)163-(18)163 (11)164-(19)164 (11)165-(23)165 (03)304-(17)304 (02)305-(14)305 (05)306-(23)306 1969 99 291-293 (14)076-(00)077 none (05)244-(00)245 (07)245-(00)246 1970 99 338-340,342-343 none none 1971 99 180-182,333-335 (13)273-(02)274 none 1972 99 112-116 none none 1973 98 326-332 none none 1974 97 2-5,255-262 none none 1975 97 21-34 none none 1976 99 7-12 none none 1977 100 none (20)005-(07)006 none (18)216-(03)217 1978 96 7-23 none none 1979 94 28-34,40-47,172-181 none none 1980 92 32-40,64-68,260-273, (02)060-(14)060 none 303-304,347-351 (10)356-(06)357 (10)357-(08)358 1981 92 25-33,85-90,104-108, (21)040-(04)041 none 149-152,252-254,285- (06)049-(01)050 288,295-300,306-313 (13)051-(01)052 (14)068-(01)069 (14)078-(05)079 1982 97 65-68,80-85,173-175, (15)124-(01)125 none 175-179 (18)186-(05)187 (22)189-(06)190 (17)206-(06)207 (18)232-(01)233 1983 99 238-240 (07)151-(01)152 none (03)152-(13)152 1984 100 none none none 1985 100 none none none 1986 100 none none none 1987 99 172-174 none none 1988 100 none none none 1989 100 none none none 1990 100 none none none 1991 98 324-330 none none 1992 100 none none none 1993 100 none (05)077-(01)078 none 1994 100 none none none 1995 100 none none none 1996 99 78-79 (00)075-(07)075 none 1997 100 none (01)262-(08)262 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 100 none 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 99 269-270 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