QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 24 Sep 2020 Station : Montauk,NY Latitude: 41 02.9N Country : USA Longitude: 071 57.6W JASL # : 279A Time Meridian: 075W (GMT - 5 hr) GLOSS # : none Originator #:8510560 NODC #: 74071101 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 : NOS Original Data: analog (standard) digital (ADR and NGWLMS) Instrmnt Type: 1) standard float and well gauge 1949-1974 2) analog-to-digital (ADR) recorder, float/wire 1975-1992 3) Aquatrak acoustic sensor/protective well, NOAA Next Generation Water Level Measuring System (NGWLMS) (1993-) Digitzd Intvl: six-minute (adr and NGWLMS) NGWLMS sampling is 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/NGWLMS) 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 : 07 Sep 1947 - 31 Dec 2019 Gaps > 1 mon : 13 Sep 1952 - 16 Oct 1952; 13 Mar 1959 - 10 Aug 1959;01 Mar 1961 - 06 Apr 1961 02 Jul 1967 - 01 Oct 1967;01 Aug 1969 - 01 Sep 1969 18 Dec 1970 - 10 Feb 1971;17 Feb 1971 - 22 Mar 1971 08 Sep 1971 - 19 Oct 1971;02 Mar 1972 - 05 Oct 1972 02 Jan 1974 - 06 Feb 1974;14 Jul 1974 - 10 Dec 1974 08 Jul 1982 - 16 Sep 1982;07 Dec 1985 - 11 Jan 1986 19 Aug 1991 - 19 Oct 1991;04 Mar 1994 - 22 Apr 1994 10 Jan 2000 - 23 Feb 2000;06 Jan 2003 - 13 Feb 2003 07 Jan 2004 - 23 Feb 2004;23 Apr 2004 - 26 Jun 2004 10 Aug 2005 - 18 Oct 2005;14 Jan 2006 - 21 Jun 2006 14 Oct 2008 - 18 Nov 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 : 1947-2019 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed bench marks. While standard mechanical or ADR instrument was the primary gauge, leveling calibration factors were applied monthly based on tide staff comparisons. Comment : The daily and monthly means reveal no apparent reference level changes or trends. This site is known as "Montauk, Fort Pond Bay, NY". CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1947 32 none none none 1948 95 32-48 none none 1949 100 none none none 1950 100 none none none 1951 100 none none none 1952 91 257-290 none none 1953 98 42-49 none none 1954 100 none none none 1955 100 none none none 1956 100 none none none 1957 100 none none none 1958 97 49-60 none none 1959 52 11-22,72-222,228-241 (13)007-(10)008 none (02)009-(11)009 (09)223-(21)223 (10)224-(21)224 (04)225-(22)225 1960 100 none (17)256-(14)257 none 1961 95 1-3,21-32,207-213 none none 1962 100 none none none 1963 100 none none none 1964 100 none none none 1965 90 60-96 (08)101-(20)101 none 1966 89 32-36,122-123,135- (06)037-(17)037 none 155,166-168,246-247, (14)121-(21)121 266-271,359-361, (05)129-(12)129 362-364 (14)160-(00)161 (00)249-(23)249 (05)251-(20)251 (00)255-(10)255 (05)261-(13)261 (04)262-(22)262 (16)353-(13)354 1967 65 38-44,47-50,55-59, (00)066-(22)066 none 78-85,183-274,335- (08)073-(15)073 336,342-355 (03)088-(22)088 1968 86 18-29,53-61,363-366 none none 1969 87 1-9,213-244 none none 1970 85 162-170,198-208, none none 328-350,352-365 1971 60 1-41,48-81,152-167, none none 169-173,251-292 1972 37 62-279,325-338 (19)322-(18)323 none (00)342-(17)342 1973 99 27-29,30-32 (18)045-(06)046 none (23)094-(06)095 (09)102-(16)102 (00)109-(19)109 (00)114-(10)114 (18)120-(23)120 (01)121-(15)121 (22)122-(05)123 (22)136-(05)137 (08)137-(17)137 (23)137-(07)138 (03)145-(12)145 (20)149-(03)150 (06)150-(16)150 (02)288-(14)288 1974 48 2-37,165-171,195-344 none none 1975 100 none none none 1976 100 none none none 1977 79 23-89,274-284 (07)123-(16)123 180 (04)152-(13)152 (19)209-(04)210 (17)253-(02)254 (08)255-(16)255 1978 100 none none none 1979 100 none none none 1980 99 27-29 none none 1981 98 175-182 none none 1982 80 189-259 none none 1983 100 none none none 1984 100 none none none 1985 93 341-365 none none 1986 88 1-11,232-236,242- (13)246-(20)246 none 243,273-275 1987 99 26-29 (01)123-(14)123 none 1988 99 223-225 none none 1989 100 none none none 1990 100 none none none 1991 83 100-103,231-292 (14)212-(23)212 none 1992 100 99 46-47,67-68,92-93 (06)013-(14)013 none (09)014-(17)014 (06)023-(02)024 (15)061-(23)061 (15)070-(11)071 (09)077-(20)077 (12)086-(02)087 (15)089-(23)089 (09)098-(17)098 (09)100-(17)100 (12)112-(20)112 (09)113-(20)113 (12)114-(20)114 1993 87 79-82,84-94,95-97, none none 148-166,201-204,206- 207,217-219,221-227, 361-362 1994 83 6-12,20-26,63-112, (07)017-(06)018 none 364-365 1995 97 1-11 none none 1996 100 none none none 1997 100 none none none 1998 100 none none none 1999 97 183-187,189-197 (15)177-(13)178 none (18)178-(01)179 (09)181-(16)181 2000 88 10-54 none none 2001 99 338-339 none none 2002 100 none none none 2003 90 6-44 none none 2004 70 7-54,114-178 none none 2005 77 6-20,222-291 none none 2006 57 14-172 none none 2007 98 18-25 none none 2008 91 288-323 none none 2009 100 none none none 2010 95 200-203,216-219, none none 235-246 2011 100 none none none 2012 100 none none none 2013 100 none none none 2014 96 155-160,343-353 none none 2015 100 none none none 2016 100 none none none 2017 92 91-109 none none 2018 100 none none none 2019 95 317-334 none none