Ice area in Siberia Arctic waters at the second half of August (thousand sq.km)
Year Ice area Year Ice area
1923 1752 1961 1044
1924 1700 1962 1632
1925 1682 1963 1778
1926 1715 1964 1348
1927 1716 1965 1294
1928 2032 1966 1689
1929 1745 1967 1519
1930 1665 1968 800
1931 1615 1969 1639
1932 1196 1970 1515
1933 1640 1971 1196
1934 1277 1972 1606
1935 1137 1973 1445
1936 1595 1974 1318
1937 1026 1975 1386
1938 956 1976 1208
1939 1433 1977 1007
1940 985 1978 1290
1941 1143 1979 1504
1942 1335 1980 1512
1943 821 1981 1453
1944 1132 1982 1496
1945 717 1983 1210
1946 1235 1984 1579
1947 1138 1985 1269
1948 1326 1986 1598
1949 1563 1987 1338
1950 1033 1988 1375
1951 1091 1989 1286
1952 739 1990 586
1953 829 1991 1086
1954 1198 1992 1079
1955 1025 1993 1095
1956 1237 1994 1187
1957 1381 1995 518
1958 1295 1996 1422
1959 824 1997 1005
1960 888 1998 1698
    1999 1335