NSIDC Southern Hemisphere ice extent in percent * 100 1 -999 1978 2011 NSIDC Southern Hemisphere ice extent in percent * 100 http://jisao.washington.edu/sea_ice/ -999 for missing Todd Mitchell, June 2011 1978 2011 1 jan feb mar apr may jun jul aug sep oct nov dec 1978 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1640 1138 1979 571 310 447 821 1143 1474 1683 1811 1840 1803 1587 1041 1980 472 283 354 593 946 1324 1609 1810 1906 1890 1671 1115 1981 449 287 366 631 1011 1392 1647 1823 1890 1854 1636 1219 1982 545 311 480 828 1116 1399 1625 1811 1863 1800 1602 990 1983 494 303 432 709 1009 1335 1593 1762 1884 1811 1631 1138 1984 515 271 393 702 1038 1394 1677 1814 1866 1775 1658 1147 1985 448 278 399 705 1086 1399 1609 1803 1902 1842 1641 1239 1986 558 319 408 691 978 1331 1582 1773 1797 1761 1554 1013 1987 517 324 442 736 1028 1331 1631 1797 1865 1801 1582 -999 1988 -999 283 435 685 1032 1360 1631 1811 1864 1860 1661 1222 1989 489 299 419 685 1117 1417 1614 1774 1827 1803 1608 1070 1990 512 301 436 748 1034 1375 1604 1796 1844 1818 1601 1066 1991 544 307 433 749 1108 1352 1621 1818 1856 1820 1605 1080 1992 484 286 407 742 1037 1334 1656 1818 1841 1822 1626 1122 1993 459 246 418 718 1059 1361 1640 1779 1867 1838 1640 1101 1994 519 315 507 767 1095 1413 1681 1824 1896 1826 1641 1068 1995 583 349 497 778 1111 1384 1620 1820 1873 1830 1597 1135 1996 617 289 461 799 1150 1438 1658 1814 1886 1817 1636 1053 1997 427 242 385 709 1084 1367 1642 1802 1915 1814 1625 1141 1998 445 299 465 756 1092 1398 1636 1819 1914 1882 1664 1138 1999 495 290 453 733 1089 1422 1676 1827 1902 1873 1632 1159 2000 482 284 443 777 1166 1441 1674 1861 1912 1846 1623 1082 2001 536 373 507 752 1096 1391 1619 1804 1840 1808 1576 1096 2002 470 286 394 699 998 1294 1593 1743 1818 1817 1591 1156 2003 620 387 481 777 1138 1448 1686 1805 1857 1837 1653 1138 2004 578 359 481 779 1095 1436 1674 1822 1913 1857 1657 1140 2005 493 293 447 750 1097 1394 1665 1826 1914 1870 1678 1073 2006 425 265 344 657 1018 1398 1663 1836 1936 1899 1676 1049 2007 487 288 409 701 1034 1387 1650 1804 1925 1868 1624 1267 2008 685 387 573 870 1153 1454 1659 1796 1853 1810 1660 1223 2009 590 291 500 838 1140 1439 1662 1857 1915 1855 1634 1135 2010 491 316 401 728 1148 1499 1716 1881 1916 1880 1690 1210 2011 468 247 361 674 1082 -999 -999 -999 -999 -999 -999 -999