Monthly mean relative sea level (cm) Station: Kotel'nyi (Kotel'nyi Ostrov) Sea: Laptev Sea Coordinates: 7600N 13752E Period: 1951-2010 Comments:after 1990 the data are from operative sources 60 1951 -17 -21 -37 -29 -19 1 -13 6 -17 0 -23 -5 -14 1952 -38 -56 -42 -30 -28 -15 -3 -17 3 -14 -19 -24 -23 1953 -35 -21 -29 -37 -29 8 -1 14 20 -1 7 0 -8 1954 5 7 9 -10 -21 9 14 2 15 -12 8 1 2 1955 0 -31 -33 -11 -25 -25 -16 6 -7 -4 -21 -17 -15 1956 -26 -14 -26 -41 -32 -12 2 -14 -5 -7 -15 -19 -17 1957 1 -27 -33 -15 -24 -8 -3 2 -10 -11 -16 -19 -13 1958 -18 -14 -36 -31 -35 -6 -7 6 -2 -4 -28 -12 -15 1959 -35 -7 -26 -21 -34 -9 -16 -21 -10 -1 13 26 -11 1960 -15 0 -4 2 -13 -7 11 12 11 8 -10 -1 0 1961 -21 -1 -31 -39 -12 -7 -7 -13 -1 13 19 -13 -9 1962 -11 -17 -38 -15 -29 -7 4 -6 -11 1 6 -19 -12 1963 -20 -20 -8 -21 -19 -6 5 -12 9 10 -3 19 -5 1964 9 14 -3 -23 4 -5 18 0 -10 0 -20 14 0 1965 -15 -30 -16 -9 -21 -16 -15 -11 -11 12 -3 -14 -12 1966 -11 -22 -27 -30 -13 7 9 -7 8 -7 0 -7 -8 1967 1 -6 -21 -8 -13 -3 10 13 18 14 8 4 1 1968 8 -21 -11 -24 -13 -1 -1 5 0 20 -4 12 -2 1969 -18 -29 -19 -13 -25 1 -7 3 9 9 -17 2 -8 1970 -11 -30 -24 -21 -14 12 1 3 11 -19 10 6 -6 1971 -3 -8 -12 -25 -8 3 -15 4 22 11 5 5 -1 1972 -7 -17 -25 -14 -17 -5 11 9 1 32 -13 9 -3 1973 15 -19 -23 -41 -21 4 25 15 6 15 -4 -14 -3 1974 -2 -16 -6 -31 -22 1 12 1 2 1 0 4 -4 1975 4 1 -11 -19 -20 -16 7 15 31 33 12 24 5 1976 -16 -10 -11 -21 -22 10 9 21 23 -1 11 -16 -2 1977 -28 -24 -26 -6 -9 0 -7 -1 22 2 -9 2 -7 1978 8 -20 -15 -43 -11 -1 -9 3 -2 7 32 14 -3 1979 -3 -14 -40 -30 -19 -10 -10 -11 -10 -6 -3 10 -12 1980 -24 -6 -11 -32 -35 13 -14 -2 4 19 -10 -17 -9 1981 10 5 -29 -14 1 3 10 6 10 -3 23 14 3 1982 -9 1 -17 -11 -8 7 17 3 19 -6 6 4 0 1983 27 10 -5 -3 8 28 28 32 7 -2 27 35 16 1984 19 18 -9 -12 8 17 -6 1 7 -4 4 20 5 1985 4 0 25 -3 0 3 2 1 2 6 10 -27 2 1986 -23 -13 -2 -13 -20 18 -21 -15 -14 -1 -13 6 -9 1987 -2 -15 -2 -20 -4 3 9 7 12 41 6 -10 2 1988 5 -4 -5 -15 -31 2 13 17 24 21 1 25 4 1989 22 10 -4 -9 -21 19 27 19 31 25 11 1 11 1990 -2 -5 7 11 12 9 7 8 4 7 2 13 6 1991 0 -7 -19 -13 -12 6 4 26 19 17 6 28 4 1992 -2 -11 -14 -31 4 18 4 23 26 28 14 29 7 1993 25 10 18 -15 -30 -13 4 -33 -35 -36 28 16 -5 1994 3 18 36 43 58 31 28 42 36 51 34 17 33 1995 -15 -17 -26 -30 -14 -6 -11 6 25 3 1 4 -6 1996 31 12 7 -19 -4 6 13 -2 -15 4 -2 -4 2 1997 19 2 -9 4 -27 1 2 21 34 28 24 -8 7 1998 -23 -6 -11 -13 -5 20 10 9 8 4 -8 6 0 1999 -2 -19 -24 -14 -5 22 7 10 39 16 29 7 5 2000 999 999 999 -14 5 26 13 8 21 17 -1 -38 2 2001 999 999 -22 4 -5 -13 -6 -11 -11 4 -1 6 -6 2002 5 10 -5 -4 -2 11 18 8 20 2 22 18 8 2003 999 -2 0 7 8 3 21 16 19 28 19 20 12 2004 -7 -17 -8 16 -6 17 15 20 18 32 25 23 10 2005 24 17 10 15 13 15 17 31 37 46 21 13 21 2006 17 24 -1 -1 9 32 17 19 31 32 28 37 20 2007 24 28 14 12 -4 27 27 33 42 31 31 23 24 2008 40 41 9 5 15 33 25 25 26 33 31 23 25 2009 37 10 6 22 12 31 14 26 28 18 28 0 19 2010 14 -27 -20 7 16 11 27 33 34 999 999 15 12