Year Cumulated melt extent (km^2) Total GRIS area*days Cumulated melt/total-area days(%) Cumulated melt extent Linear trend
1979 6827500 587650000 1.161831022 100 108.1
1980 8538125 587650000 1.452926912 125.0549249 113.24
1981 10566250 587650000 1.798051561 154.7601611 118.38
1982 7005624 587650000 1.192142262 102.6089198 123.53
1983 6370000 587650000 1.083978559 93.29915782 128.67
1984 12082500 587650000 2.05607079 176.9681435 133.81
1985 7831250 587650000 1.332638475 114.7015745 138.96
1986 7446250 587650000 1.267123288 109.0626144 144.1
1987 14600625 587650000 2.484578406 213.850238 149.24
1988 11123125 587650000 1.892814601 162.9165141 154.38
1989 9510000 587650000 1.618310219 139.2896375 159.53
1990 12309374 587650000 2.094677784 180.2910875 164.67
1991 15013125 587650000 2.554773249 219.891981 169.81
1992 5113125 587650000 0.870096997 74.89015013 174.95
1993 13497500 587650000 2.296860376 197.6931527 180.1
1994 10051875 587650000 1.710520718 147.2262907 185.24
1995 15146875 587650000 2.577533396 221.8509703 190.38
1996 8943125 587650000 1.521845486 130.986818 195.53
1997 12668125 587650000 2.155726198 185.5455877 200.67
1998 18111232 587650000 3.081976006 265.2688685 205.81
1999 15061875 587650000 2.563069004 220.6060051 210.95
2000 12750625 587650000 2.169765166 186.7539363 216.1
2001 11818750 587650000 2.011188633 173.1050897 221.24
2002 19543726 587650000 3.325742534 286.2501062 226.38
2003 14503125 587650000 2.467986897 212.4221897 231.52
2004 17187478 587650000 2.924781418 251.7389674 236.67
2005 20546228 587650000 3.496337616 300.9334017 241.81
2006 15243750 587650000 2.594018548 223.2698645 246.95
2007 25915590 587650000 4.410038288 379.5765654 252.1
2008 14090000 587650000 2.397685697 206.3712926 257.24
2009 12136250 587650000 2.065217391 177.755401 262.38
2010 19295606 587650000 3.283520123 282.6159795 267.52
2011 18098096 587650000 3.079740662 265.0764702 272.67