QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 22 Sep 2020 Station : Atlantic City,NJ Latitude: 39 21.3N Country : USA Longitude: 074 25.1W JASL # : 264A Time Meridian: 075W (GMT - 5 hr) GLOSS # : 220 Originator #:8534720 NODC #: 73079401 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 : US Coastal Geodetic Survey (1901-1972);NOS (1973+) Original Data: analog (standard); digital (ADR and NGWLMS) Instrmnt Type: 1) standard mechanical, float/wire (1911-7/1974); 2) analog-to-digital (ADR) recorder, float/wire (8/1974-1993); 3) Aquatrak acoustic sensor/protective well, NOAA Next Generation Water Level Measuring System (NGWLMS) (1994-) Digitzd Intvl: hourly (standard); 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 : 19 Aug 1911 - 31 Dec 2019 Gaps > 1 mon : 16 Jan 1921 - 01 Dec 1922;07 Sep 1938 - 11 Oct 1938 21 Mar 1962 - 31 May 1962;01 Dec 1969 - 10 Jun 1971 01 Apr 1974 - 23 Jul 1974;01 Nov 1978 - 01 Jan 1979 05 Feb 1992 - 19 Mar 1992;31 Oct 2001 - 02 May 2002 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 1911-2019 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 and agree with the nearest stations. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1911 37 none none none 1912 100 none none none 1913 100 none none none 1914 100 none none none 1915 100 none none 117,258 1916 100 none none none 1917 100 none none 133-134 1918 100 none none none 1919 95 348-365 none none 1920 99 1 none none 1921 4 16-365 none none 1922 8 1-335 none none 1923 100 none none none 1924 100 none none none 1925 100 none none none 1926 100 none none none 1927 100 none none none 1928 100 none none 187,195 1929 100 none none none 1930 100 none none 241 1931 100 none none none 1932 100 none none none 1933 100 none none none 1934 100 none none none 1935 100 none none none 1936 100 none none none 1937 100 none none none 1938 91 250-284 none none 1939 100 none none none 1940 100 none none none 1941 100 none none none 1942 100 none none none 1943 100 none none 65-66 1944 100 none none none 1945 100 none none none 1946 100 none none none 1947 100 none none none 1948 100 none none none 1949 100 none none none 1950 100 none (06)365-(23)365 185 1951 96 280-281,283-285, none none 286-295 1952 100 none none none 1953 100 none none none 1954 100 none none none 1955 100 none none none 1956 100 none (05)354-(04)355 none 1957 100 none none none 1958 100 none none 122,163-164 1959 84 21-54,133-159 none 76,102 1960 100 none none none 1961 100 none none 118-119,243,252 1962 79 69-74,80-151 none none 1963 100 none none 57-58 1964 100 none none 76,105 1965 98 38-44,55-57 none 53,275,281-283 1966 100 none none 60,70 1967 100 none none none 1968 100 none none none 1969 92 335-365 none 120 1970 0 1-365 none none 1971 56 1-161 none none 1972 100 none none none 1973 97 121-132 none none 1974 69 91-204 none none 1975 100 none none none 1976 98 95-101 none none 1977 91 19-46,121-125, none none 130-133 1978 78 26-28,79-82,84-86, none none 109-117,230-234, 305-365 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 100 none none none 1985 100 none none none 1986 100 none none none 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 88 37-79 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 84 17-25,174-175,177- (03)173-(12)173 none 181,184-195,197-223, 232-241 2000 100 none none none 2001 78 69-87,304-365 (00)065-(10)065 none (08)066-(13)068 2002 67 1-122 (06)122-(19)122 none 2003 100 none (01)195-(22)195 none 2004 100 none none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 100 none (23)272-(21)273 none 2009 100 none none none 2010 98 315-320,353-356 none none 2011 100 none none none 2012 100 none 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 100 none none none 2019 100 none none none