Monthly mean relative sea level (cm) Station: Andreia (Andreia Ostrov) Sea: Laptev Sea Coordinates: 7648N 11045E Period: 1951-1999 Comments: 1991-1999 are based on operative data 1951 9 4 -3 2 6 11 11 14 4 19 -1 -4 6 1952 -28 -34 -24 -25 -15 -13 9 34 3 4 -15 -3 -9 1953 -7 -11 -3 -14 -15 1 -2 4 13 1 5 22 0 1954 -14 -12 -6 -6 -17 4 7 -12 -6 -6 10 2 -4 1955 7 -26 -34 -14 -20 -2 4 16 -6 7 -23 -21 -9 1956 -22 -22 -2 -32 -23 -12 -8 -19 -4 -14 -24 -26 -17 1957 -12 -46 -46 -32 -23 -9 -6 -1 -2 -7 -17 -10 -17 1958 -19 -35 -39 -28 -25 -3 -1 15 12 10 -12 -22 -12 1959 -30 6 2 -21 -20 4 3 -2 -6 -3 -4 -9 -6 1960 -14 -10 -10 -13 -14 6 2 -1 -6 -11 -8 -2 -7 1961 -14 -11 -23 -35 -25 -14 3 -12 -3 8 1 -7 -11 1962 -1 -7 -16 2 -2 3 9 -4 -1 7 9 6 0 1963 0 7 2 -7 -9 -11 10 -7 -6 11 -4 26 1 1964 10 8 6 -14 -4 6 17 -3 -3 13 -7 1 2 1965 -4 -22 0 14 0 19 16 -12 -8 1 -5 -9 -1 1966 -4 -18 -28 -35 -15 -9 9 1 12 6 3 1 -6 1967 14 8 -12 6 -2 4 6 12 30 42 36 28 14 1968 5 -6 6 -9 -4 4 9 9 3 16 1 13 4 1969 -19 -28 -14 -13 -14 5 0 4 7 10 0 12 -4 1970 6 -8 -29 -12 -4 13 2 -1 6 -5 3 7 -2 1971 0 -27 -13 -16 -1 2 2 1 10 19 3 7 -1 1972 8 5 -18 -9 -12 -8 12 14 -3 31 -14 13 1 1973 18 -9 -13 -27 -6 10 0 1 16 2 -4 -2 -1 1974 8 -12 -3 -9 -9 2 15 -6 -3 -9 -9 5 -2 1975 11 13 7 -13 -8 -3 14 5 13 19 13 19 7 1976 5 8 -2 -4 -13 2 12 27 23 -4 19 14 7 1977 6 1 8 -5 -8 1 10 -7 10 -9 -5 10 1 1978 1 -6 -8 -19 -18 -4 -1 -9 -6 -2 20 -2 -4 1979 -16 -15 -33 -25 -9 0 2 -16 -20 -6 -3 13 -10 1980 -11 7 -15 -15 -7 9 4 1 13 20 -2 -7 0 1981 4 -1 -6 4 8 17 27 11 5 -7 19 14 8 1982 -5 9 -9 0 -7 -2 12 6 32 2 8 6 4 1983 9 -4 -9 -18 -3 11 14 20 13 7 18 19 6 1984 7 1 2 -7 3 7 3 5 9 1 2 20 4 1985 -8 -9 7 -9 -11 4 -2 -11 -4 12 11 -11 -2 1986 -10 3 7 -2 -12 12 4 -2 -1 10 5 0 1 1987 -8 -14 -8 -20 -8 -4 5 6 16 42 16 1 2 1988 13 -7 -7 -6 -21 2 3 7 18 19 7 19 4 1989 17 16 1 -7 -1 12 11 18 31 18 4 6 10 1990 -7 0 15 12 24 15 23 18 -14 4 -3 7 8 1991 -4 1 -11 11 1 0 18 14 14 23 12 36 9 1992 22 9 6 -20 9 11 23 10 4 8 3 22 9 1993 28 13 5 -5 1 11 28 16 999 -5 20 999 12 1994 999 3 -5 -15 -11 0 12 19 4 31 28 33 9 1995 13 18 4 999 999 999 999 999 999 999 999 999 999 1996 999 999 999 999 -6 999 20 999 999 999 999 999 999 1997 999 999 999 999 999 999 999 999 2 10 13 13 999 1998 12 999 5 -20 999 11 999 999 15 999 999 33 999 1999 13 18 4 -3 999 999 999 999 999 999 999 999 999