QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 10 Apr 2015 Station : Stockholm Latitude: 59 19.5N Country : Sweden Longitude: 018 04.9E JASL # : 826A Time Meridian: 015E (GMT + 1 hr) GLOSS # : 341 Originator #: NODC #: 15019801 Contributor : Swedish Meteorological and Hydrographical Institute SE-601 76 Norrkoping Sweden Originator : same Original Data: analog until 1980, digital 1980 onwards Instrmnt Type: float/well Digitzd Intvl: for digital data, 10 minutes Present Data : Hourly, daily, and monthly values obtained by: Hourly : spot hourly 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 1889 - 31 Dec 2014 Gaps > 1 mon : 01 Jan 1982 - 31 Dec 1982 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : unconfirmed Distribution : 1889-2014 Refernce Levl: Value is corrected for apparent landuplift according to a unique regression line for the station. Datum as follows: HW=Observed sea level (m) (Local Height System, Over Datum) HW=730.5 cm above RH00 (Land Survey Datum) HW=694.5 cm above RH70 (Land Survey Datum) HW=678.2 cm above RH2000 (Land Survey Datum) RW= Observed sea level (m) (relative mean sea level and landuplift) RW=HW - [HW1986-k*(year-1986), k=0.382 cm/year (apparent landuplift) Comment : This station is within the Global Climate Observing System (GCOS). The station is located on the island Skeppsholmen. The data have been screened and quality controlled using SMHI standards. The data are of high quality. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1889 100 none none none 1890 100 none none none 1891 100 none none none 1892 100 none none none 1893 100 none none none 1894 100 none none none 1895 100 none none none 1896 100 none none none 1897 100 none none none 1898 100 none none none 1899 100 none none none 1900 100 none none none 1901 100 none none none 1902 100 none none none 1903 100 none none none 1904 100 none none none 1905 100 none none none 1906 100 none none none 1907 100 none none none 1908 100 none none none 1909 100 none none none 1910 100 none none none 1911 100 none none none 1912 100 none none none 1913 100 none none none 1914 100 none none none 1915 100 none none none 1916 100 none none none 1917 100 none none none 1918 100 none none none 1919 100 none none none 1920 100 none none none 1921 100 none none none 1922 100 none 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 none 1929 100 none none none 1930 100 none none none 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 100 none 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 none 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 none none 1951 100 none none none 1952 100 none none none 1953 100 none none none 1954 100 none none none 1955 100 none none none 1956 100 none none none 1957 100 none none none 1958 100 none none none 1959 100 none none none 1960 100 none none none 1961 100 none none none 1962 100 none none none 1963 100 none none none 1964 100 none none none 1965 100 none none none 1966 100 none none none 1967 100 none none none 1968 100 none none none 1969 100 none none none 1970 100 none none none 1971 100 none none none 1972 100 none none none 1973 100 none none none 1974 100 none none none 1975 100 none none none 1976 100 none none none 1977 100 none none none 1978 100 none none none 1979 100 none none none 1980 100 none none none 1981 100 none none none 1982 0 1-365 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 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 100 none none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 99 361-366 none none 2009 99 364-365 none none 2010 99 358-360 (11)306-(08)307 none 2011 100 none (12)020-(00)021 none (12)020-(00)021 (12)020-(00)021 (08)275-(00)276 (01)355-(00)356 2012 100 none (23)283-(15)284 none 2013 100 none (17)021-(11)022 none (07)268-(02)269 2014 99 3-4,219-222 (16)009-(11)010 none (00)182-(11)182 (23)347-(12)348