QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 17 Sep 2020 Station : Nome,Norton Sound.,AK Latitude: 64 30.0N Country : USA Longitude: 165 25.8W JASL # : 595A Time Meridian: 165W (GMT - 11 hr) GLOSS # : 074 Originator #:9468756 NODC #: 76164501 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 (NGWLMS) Digitzd Intvl: six-minute NGWLMS sampling is a three-minute average Present Data : Hourly, daily, and monthly values obtained by: Hourly : The original digitizing interval was hourly (standard); spot sampling on the hour (adr) 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 : 30 Sep 1992 - 31 Dec 2019 Gaps > 1 mon : 01 Nov 1992 - 31 Dec 1992;01 Apr 1994 - 28 Jul 1997 16 Jan 2008 - 31 May 2008 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 1992-2019 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed bench marks. Comment : The daily and monthly means reveal no apparent reference level changes or trends. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1992 8 306-366 none none 1993 100 none none none 1994 25 91-365 (04)087-(11)087 none 1995 0 1-365 none none 1996 0 1-366 none none 1997 100 none (16)209-(01)210 none 1998 100 none none none 1999 99 338-340 (09)340-(18)340 none (18)341-(03)342 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 99 160-161,165-166, (14)159-(04)160 none 354-357 (16)162-(00)163 (06)163-(14)163 (19)167-(04)168 (20)168-(03)169 2006 100 none none none 2007 97 54-59,277-280 none none 2008 63 16-152 none none 2009 100 none none none 2010 99 256-257 none none 2011 100 none none none 2012 98 41-83,231-236 none none 2013 100 none none none 2014 100 none none none 2015 100 none none none 2016 100 none none none 2017 99 265-269 none none 2018 99 316-317 none none 2019 99 318-319 (02)324-(19)324 none