** Sea Ice Concentration (unit: 1) averaged over the BL region ** Detrended for the period of 1982-present ** Missing value: -999.0 Year Month Raw Normalized Detrended 1982 1 0.927 -0.266 0.465 1982 2 0.938 -0.265 0.465 1982 3 0.935 -0.215 0.365 1982 4 0.948 -0.215 0.369 1982 5 0.918 -0.215 0.368 1982 6 0.831 -0.214 0.367 1982 7 0.689 -0.213 0.370 1982 8 0.543 -0.267 0.436 1982 9 0.496 -0.269 0.432 1982 10 0.741 -0.265 0.434 1982 11 0.905 -0.268 0.436 1982 12 0.913 -0.269 0.437 1983 1 0.899 -0.267 0.431 1983 2 0.902 -0.267 0.429 1983 3 0.895 -0.219 0.335 1983 4 0.912 -0.218 0.338 1983 5 0.900 -0.216 0.339 1983 6 0.799 -0.216 0.338 1983 7 0.636 -0.216 0.340 1983 8 0.461 -0.271 0.400 1983 9 0.480 -0.269 0.398 1983 10 0.719 -0.266 0.400 1983 11 0.867 -0.269 0.402 1983 12 0.919 -0.269 0.404 1984 1 0.917 -0.266 0.398 1984 2 0.887 -0.268 0.395 1984 3 0.909 -0.217 0.309 1984 4 0.927 -0.217 0.312 1984 5 0.913 -0.216 0.313 1984 6 0.840 -0.214 0.314 1984 7 0.627 -0.217 0.312 1984 8 0.530 -0.268 0.370 1984 9 0.479 -0.269 0.366 1984 10 0.696 -0.268 0.366 1984 11 0.833 -0.271 0.367 1984 12 0.878 -0.271 0.369 1985 1 0.892 -0.268 0.364 1985 2 0.911 -0.267 0.363 1985 3 0.891 -0.219 0.280 1985 4 0.924 -0.217 0.285 1985 5 0.898 -0.217 0.285 1985 6 0.727 -0.220 0.280 1985 7 0.552 -0.221 0.281 1985 8 0.466 -0.271 0.334 1985 9 0.463 -0.270 0.332 1985 10 0.610 -0.272 0.329 1985 11 0.825 -0.271 0.334 1985 12 0.890 -0.270 0.337 1986 1 0.933 -0.266 0.333 1986 2 0.899 -0.267 0.329 1986 3 0.900 -0.218 0.254 1986 4 0.915 -0.218 0.257 1986 5 0.903 -0.216 0.258 1986 6 0.838 -0.214 0.259 1986 7 0.686 -0.214 0.261 1986 8 0.572 -0.266 0.307 1986 9 0.610 -0.263 0.307 1986 10 0.741 -0.265 0.304 1986 11 0.862 -0.270 0.303 1986 12 0.917 -0.269 0.306 1987 1 0.890 -0.268 0.297 1987 2 0.929 -0.266 0.298 1987 3 0.919 -0.216 0.229 1987 4 0.936 -0.216 0.232 1987 5 0.895 -0.217 0.231 1987 6 0.838 -0.214 0.232 1987 7 0.645 -0.216 0.232 1987 8 0.475 -0.271 0.269 1987 9 0.546 -0.266 0.271 1987 10 0.743 -0.265 0.271 1987 11 0.891 -0.268 0.272 1987 12 0.858 -0.272 0.270 1988 1 0.928 -0.266 0.266 1988 2 0.930 -0.265 0.265 1988 3 0.938 -0.215 0.204 1988 4 0.944 -0.215 0.205 1988 5 0.865 -0.219 0.202 1988 6 0.749 -0.219 0.200 1988 7 0.584 -0.219 0.201 1988 8 0.486 -0.270 0.237 1988 9 0.554 -0.266 0.239 1988 10 0.769 -0.264 0.240 1988 11 0.912 -0.267 0.240 1988 12 0.917 -0.269 0.240 1989 1 0.918 -0.266 0.232 1989 2 0.932 -0.265 0.232 1989 3 0.923 -0.216 0.175 1989 4 0.916 -0.218 0.176 1989 5 0.890 -0.217 0.176 1989 6 0.835 -0.214 0.178 1989 7 0.699 -0.213 0.180 1989 8 0.615 -0.264 0.211 1989 9 0.533 -0.267 0.205 1989 10 0.757 -0.265 0.207 1989 11 0.861 -0.270 0.205 1989 12 0.901 -0.270 0.206 1990 1 0.911 -0.267 0.199 1990 2 0.886 -0.268 0.196 1990 3 0.905 -0.218 0.147 1990 4 0.879 -0.221 0.145 1990 5 0.815 -0.222 0.144 1990 6 0.747 -0.219 0.146 1990 7 0.598 -0.219 0.148 1990 8 0.496 -0.270 0.172 1990 9 0.515 -0.268 0.172 1990 10 0.696 -0.268 0.171 1990 11 0.911 -0.267 0.175 1990 12 0.925 -0.269 0.175 1991 1 0.916 -0.266 0.166 1991 2 0.917 -0.266 0.165 1991 3 0.925 -0.216 0.121 1991 4 0.899 -0.219 0.120 1991 5 0.884 -0.217 0.121 1991 6 0.790 -0.217 0.121 1991 7 0.590 -0.219 0.120 1991 8 0.523 -0.268 0.141 1991 9 0.415 -0.272 0.135 1991 10 0.725 -0.266 0.140 1991 11 0.888 -0.268 0.141 1991 12 0.877 -0.271 0.140 1992 1 0.919 -0.266 0.133 1992 2 0.935 -0.265 0.133 1992 3 0.909 -0.217 0.093 1992 4 0.918 -0.217 0.094 1992 5 0.878 -0.218 0.094 1992 6 0.818 -0.215 0.096 1992 7 0.599 -0.218 0.094 1992 8 0.508 -0.269 0.107 1992 9 0.517 -0.268 0.107 1992 10 0.810 -0.262 0.112 1992 11 0.906 -0.268 0.109 1992 12 0.918 -0.269 0.109 1993 1 0.918 -0.266 0.099 1993 2 0.896 -0.268 0.097 1993 3 0.903 -0.218 0.065 1993 4 0.902 -0.219 0.066 1993 5 0.868 -0.219 0.066 1993 6 0.717 -0.221 0.063 1993 7 0.585 -0.219 0.066 1993 8 0.499 -0.270 0.074 1993 9 0.550 -0.266 0.076 1993 10 0.748 -0.265 0.076 1993 11 0.860 -0.270 0.074 1993 12 0.869 -0.271 0.073 1994 1 0.917 -0.266 0.066 1994 2 0.937 -0.265 0.067 1994 3 0.918 -0.216 0.040 1994 4 0.926 -0.217 0.041 1994 5 0.901 -0.216 0.041 1994 6 0.784 -0.217 0.040 1994 7 0.591 -0.219 0.039 1994 8 0.477 -0.271 0.040 1994 9 0.480 -0.269 0.040 1994 10 0.640 -0.271 0.038 1994 11 0.902 -0.268 0.043 1994 12 0.903 -0.270 0.042 1995 1 0.931 -0.266 0.034 1995 2 0.906 -0.267 0.032 1995 3 0.916 -0.217 0.013 1995 4 0.858 -0.223 0.007 1995 5 0.848 -0.220 0.011 1995 6 0.685 -0.223 0.007 1995 7 0.458 -0.226 0.004 1995 8 0.350 -0.277 0.002 1995 9 0.381 -0.274 0.003 1995 10 0.582 -0.273 0.003 1995 11 0.868 -0.269 0.009 1995 12 0.897 -0.270 0.009 1996 1 0.897 -0.267 -0.001 1996 2 0.911 -0.267 -0.001 1996 3 0.898 -0.218 -0.016 1996 4 0.907 -0.219 -0.015 1996 5 0.910 -0.216 -0.012 1996 6 0.841 -0.214 -0.011 1996 7 0.720 -0.212 -0.008 1996 8 0.629 -0.263 -0.018 1996 9 0.652 -0.261 -0.017 1996 10 0.794 -0.263 -0.019 1996 11 0.824 -0.271 -0.026 1996 12 0.894 -0.270 -0.024 1997 1 0.913 -0.267 -0.034 1997 2 0.924 -0.266 -0.034 1997 3 0.897 -0.219 -0.043 1997 4 0.909 -0.218 -0.042 1997 5 0.826 -0.221 -0.045 1997 6 0.712 -0.221 -0.045 1997 7 0.553 -0.221 -0.045 1997 8 0.450 -0.272 -0.059 1997 9 0.465 -0.270 -0.058 1997 10 0.597 -0.273 -0.061 1997 11 0.881 -0.269 -0.056 1997 12 0.916 -0.269 -0.056 1998 1 0.915 -0.267 -0.067 1998 2 0.945 -0.264 -0.066 1998 3 0.932 -0.215 -0.067 1998 4 0.938 -0.216 -0.066 1998 5 0.897 -0.217 -0.067 1998 6 0.789 -0.217 -0.068 1998 7 0.607 -0.218 -0.069 1998 8 0.512 -0.269 -0.089 1998 9 0.494 -0.269 -0.090 1998 10 0.792 -0.263 -0.084 1998 11 0.909 -0.267 -0.087 1998 12 0.910 -0.269 -0.089 1999 1 0.928 -0.266 -0.100 1999 2 0.924 -0.266 -0.100 1999 3 0.936 -0.215 -0.093 1999 4 0.932 -0.216 -0.094 1999 5 0.901 -0.216 -0.094 1999 6 0.755 -0.219 -0.097 1999 7 0.600 -0.218 -0.096 1999 8 0.423 -0.273 -0.126 1999 9 0.405 -0.273 -0.126 1999 10 0.702 -0.267 -0.121 1999 11 0.867 -0.269 -0.122 1999 12 0.886 -0.271 -0.123 2000 1 0.898 -0.267 -0.134 2000 2 0.898 -0.267 -0.135 2000 3 0.894 -0.219 -0.124 2000 4 0.909 -0.218 -0.123 2000 5 0.843 -0.220 -0.125 2000 6 0.718 -0.221 -0.126 2000 7 0.542 -0.222 -0.127 2000 8 0.454 -0.272 -0.157 2000 9 0.459 -0.270 -0.156 2000 10 0.672 -0.269 -0.155 2000 11 0.832 -0.271 -0.156 2000 12 0.900 -0.270 -0.155 2001 1 0.892 -0.268 -0.168 2001 2 0.882 -0.268 -0.169 2001 3 0.908 -0.217 -0.150 2001 4 0.929 -0.216 -0.149 2001 5 0.874 -0.218 -0.150 2001 6 0.769 -0.218 -0.150 2001 7 0.580 -0.220 -0.152 2001 8 0.479 -0.270 -0.189 2001 9 0.522 -0.267 -0.186 2001 10 0.641 -0.270 -0.189 2001 11 0.827 -0.271 -0.189 2001 12 0.837 -0.273 -0.191 2002 1 0.894 -0.268 -0.201 2002 2 0.912 -0.267 -0.200 2002 3 0.922 -0.216 -0.176 2002 4 0.904 -0.219 -0.178 2002 5 0.888 -0.217 -0.177 2002 6 0.754 -0.219 -0.178 2002 7 0.617 -0.217 -0.177 2002 8 0.424 -0.273 -0.224 2002 9 0.504 -0.268 -0.219 2002 10 0.714 -0.267 -0.218 2002 11 0.881 -0.269 -0.220 2002 12 0.905 -0.270 -0.220 2003 1 0.919 -0.266 -0.233 2003 2 0.921 -0.266 -0.233 2003 3 0.917 -0.217 -0.203 2003 4 0.908 -0.219 -0.205 2003 5 0.853 -0.219 -0.206 2003 6 0.742 -0.219 -0.206 2003 7 0.589 -0.219 -0.206 2003 8 0.542 -0.267 -0.251 2003 9 0.583 -0.264 -0.248 2003 10 0.689 -0.268 -0.252 2003 11 0.876 -0.269 -0.253 2003 12 0.895 -0.270 -0.254 2004 1 0.938 -0.265 -0.265 2004 2 0.921 -0.266 -0.266 2004 3 0.912 -0.217 -0.231 2004 4 0.918 -0.217 -0.231 2004 5 0.878 -0.218 -0.231 2004 6 0.777 -0.217 -0.231 2004 7 0.612 -0.218 -0.231 2004 8 0.520 -0.269 -0.285 2004 9 0.538 -0.266 -0.283 2004 10 0.723 -0.266 -0.283 2004 11 0.870 -0.269 -0.286 2004 12 0.873 -0.271 -0.288 2005 1 0.879 -0.268 -0.302 2005 2 0.835 -0.271 -0.305 2005 3 0.912 -0.217 -0.258 2005 4 0.898 -0.219 -0.260 2005 5 0.850 -0.220 -0.260 2005 6 0.750 -0.219 -0.259 2005 7 0.600 -0.218 -0.259 2005 8 0.464 -0.271 -0.320 2005 9 0.382 -0.274 -0.323 2005 10 0.620 -0.272 -0.320 2005 11 0.824 -0.271 -0.320 2005 12 0.821 -0.274 -0.323 2006 1 0.805 -0.272 -0.339 2006 2 0.852 -0.270 -0.337 2006 3 0.867 -0.221 -0.289 2006 4 0.884 -0.221 -0.289 2006 5 0.818 -0.222 -0.290 2006 6 0.751 -0.219 -0.286 2006 7 0.598 -0.219 -0.286 2006 8 0.486 -0.270 -0.352 2006 9 0.593 -0.264 -0.345 2006 10 0.763 -0.264 -0.346 2006 11 0.878 -0.269 -0.351 2006 12 0.894 -0.270 -0.352 2007 1 0.889 -0.268 -0.368 2007 2 0.914 -0.266 -0.366 2007 3 0.895 -0.219 -0.313 2007 4 0.869 -0.222 -0.317 2007 5 0.874 -0.218 -0.313 2007 6 0.806 -0.216 -0.310 2007 7 0.683 -0.214 -0.309 2007 8 0.587 -0.265 -0.380 2007 9 0.485 -0.269 -0.383 2007 10 0.618 -0.272 -0.385 2007 11 0.848 -0.270 -0.385 2007 12 0.896 -0.270 -0.385 2008 1 0.874 -0.269 -0.402 2008 2 0.897 -0.267 -0.400 2008 3 0.914 -0.217 -0.338 2008 4 0.897 -0.219 -0.342 2008 5 0.882 -0.218 -0.340 2008 6 0.808 -0.216 -0.337 2008 7 0.761 -0.209 -0.331 2008 8 0.600 -0.265 -0.412 2008 9 0.523 -0.267 -0.414 2008 10 0.679 -0.269 -0.415 2008 11 0.843 -0.271 -0.418 2008 12 0.902 -0.270 -0.418 2009 1 0.888 -0.268 -0.434 2009 2 0.919 -0.266 -0.432 2009 3 0.928 -0.216 -0.364 2009 4 0.913 -0.218 -0.367 2009 5 0.878 -0.218 -0.367 2009 6 0.814 -0.215 -0.364 2009 7 0.644 -0.216 -0.365 2009 8 0.486 -0.270 -0.450 2009 9 0.487 -0.269 -0.448 2009 10 0.551 -0.275 -0.454 2009 11 0.808 -0.272 -0.452 2009 12 0.897 -0.270 -0.451 2010 1 0.920 -0.266 -0.466 2010 2 0.918 -0.266 -0.465 2010 3 0.933 -0.215 -0.391 2010 4 0.937 -0.216 -0.392 2010 5 0.848 -0.220 -0.396 2010 6 0.775 -0.217 -0.393 2010 7 0.622 -0.217 -0.394 2010 8 0.485 -0.270 -0.483 2010 9 0.445 -0.271 -0.483 2010 10 0.643 -0.270 -0.482 2010 11 0.878 -0.269 -0.482 2010 12 0.932 -0.268 -0.482 2011 1 0.937 -0.265 -0.498 2011 2 0.942 -0.265 -0.497 2011 3 0.916 -0.217 -0.419 2011 4 0.923 -0.217 -0.421 2011 5 0.868 -0.219 -0.422 2011 6 0.731 -0.220 -0.423 2011 7 0.577 -0.220 -0.423 2011 8 0.442 -0.272 -0.518 2011 9 0.370 -0.275 -0.519 2011 10 0.517 -0.277 -0.521 2011 11 0.787 -0.273 -0.519 2011 12 0.833 -0.273 -0.519 2012 1 0.882 -0.268 -0.534 2012 2 0.838 -0.271 -0.536 2012 3 0.879 -0.220 -0.450 2012 4 0.898 -0.219 -0.450 2012 5 0.864 -0.219 -0.449 2012 6 0.715 -0.221 -0.451 2012 7 0.498 -0.224 -0.455 2012 8 0.357 -0.276 -0.554 2012 9 0.300 -0.278 -0.555 2012 10 0.546 -0.275 -0.552 2012 11 0.739 -0.275 -0.554 2012 12 0.791 -0.275 -0.554 2013 1 0.847 -0.270 -0.569 2013 2 0.894 -0.268 -0.566 2013 3 0.924 -0.216 -0.472 2013 4 0.893 -0.220 -0.478 2013 5 0.804 -0.223 -0.480 2013 6 0.749 -0.219 -0.476 2013 7 0.573 -0.220 -0.478 2013 8 0.444 -0.272 -0.583 2013 9 0.359 -0.275 -0.585 2013 10 0.616 -0.272 -0.581 2013 11 0.803 -0.272 -0.583 2013 12 0.890 -0.270 -0.582 2014 1 0.911 -0.267 -0.599 2014 2 0.871 -0.269 -0.601 2014 3 0.861 -0.222 -0.505 2014 4 0.882 -0.221 -0.506 2014 5 0.852 -0.220 -0.504 2014 6 0.714 -0.221 -0.505 2014 7 0.553 -0.221 -0.506 2014 8 0.413 -0.274 -0.617 2014 9 0.362 -0.275 -0.617 2014 10 0.553 -0.275 -0.616 2014 11 0.862 -0.270 -0.613 2014 12 0.890 -0.270 -0.615 2015 1 0.910 -0.267 -0.632 2015 2 0.916 -0.266 -0.631 2015 3 0.892 -0.219 -0.529 2015 4 0.877 -0.221 -0.533 2015 5 0.875 -0.218 -0.530 2015 6 0.740 -0.219 -0.530 2015 7 0.577 -0.220 -0.532 2015 8 0.417 -0.273 -0.650 2015 9 0.366 -0.275 -0.649 2015 10 0.609 -0.272 -0.646 2015 11 0.772 -0.274 -0.650 2015 12 0.840 -0.273 -0.650 2016 1 0.839 -0.270 -0.669 2016 2 0.848 -0.270 -0.668 2016 3 0.856 -0.222 -0.560 2016 4 0.877 -0.221 -0.560 2016 5 0.835 -0.221 -0.560 2016 6 0.722 -0.221 -0.559 2016 7 0.589 -0.219 -0.558 2016 8 0.483 -0.270 -0.679 2016 9 0.407 -0.273 -0.680 2016 10 0.523 -0.276 -0.683 2016 11 0.699 -0.277 -0.687 2016 12 0.782 -0.275 -0.686 2017 1 0.815 -0.272 -0.704 2017 2 0.847 -0.271 -0.702 2017 3 0.901 -0.218 -0.582 2017 4 0.913 -0.218 -0.584 2017 5 0.899 -0.216 -0.583 2017 6 0.715 -0.221 -0.586 2017 7 0.591 -0.219 -0.585 2017 8 0.493 -0.270 -0.712 2017 9 0.497 -0.268 -0.708 2017 10 0.637 -0.271 -0.710 2017 11 0.818 -0.272 -0.714 2017 12 0.890 -0.270 -0.714 2018 1 0.895 -0.268 -0.733 2018 2 0.896 -0.268 -0.732 2018 3 0.909 -0.217 -0.609 2018 4 0.930 -0.216 -0.610 2018 5 0.881 -0.218 -0.611 2018 6 0.727 -0.220 -0.612 2018 7 0.566 -0.220 -0.614 2018 8 0.420 -0.273 -0.748 2018 9 0.400 -0.273 -0.745 2018 10 0.450 -0.280 -0.752 2018 11 0.827 -0.271 -0.746 2018 12 0.880 -0.271 -0.747 2019 1 0.923 -0.266 -0.765 2019 2 0.926 -0.266 -0.763 2019 3 0.935 -0.215 -0.633 2019 4 0.921 -0.217 -0.638 2019 5 0.890 -0.217 -0.637 2019 6 0.762 -0.218 -0.637 2019 7 0.557 -0.221 -0.641 2019 8 0.464 -0.271 -0.778 2019 9 0.480 -0.269 -0.774 2019 10 0.548 -0.275 -0.779 2019 11 0.857 -0.270 -0.777 2019 12 0.920 -0.269 -0.778 2020 1 0.932 -0.266 -0.798 2020 2 0.920 -0.266 -0.797 2020 3 0.927 -0.216 -0.661 2020 4 0.926 -0.217 -0.664 2020 5 0.847 -0.220 -0.667 2020 6 0.736 -0.220 -0.666 2020 7 0.494 -0.224 -0.672 2020 8 0.424 -0.273 -0.813 2020 9 0.286 -0.279 -0.816 2020 10 0.398 -0.283 -0.819 2020 11 0.744 -0.275 -0.815 2020 12 0.862 -0.272 -0.813 2021 1 0.882 -0.268 -0.833 2021 2 0.930 -0.265 -0.829 2021 3 0.923 -0.216 -0.688 2021 4 0.895 -0.220 -0.694 2021 5 0.867 -0.219 -0.693 2021 6 0.727 -0.220 -0.694 2021 7 0.583 -0.219 -0.694 2021 8 0.434 -0.273 -0.845 2021 9 0.435 -0.272 -0.841 2021 10 0.653 -0.270 -0.839 2021 11 0.876 -0.269 -0.842 2021 12 0.936 -0.268 -0.843 2022 1 0.928 -0.266 -0.864 2022 2 0.900 -0.267 -0.864 2022 3 0.904 -0.218 -0.717 2022 4 0.933 -0.216 -0.718 2022 5 0.884 -0.217 -0.719 2022 6 0.754 -0.219 -0.719 2022 7 0.645 -0.216 -0.718 2022 8 0.574 -0.266 -0.871 2022 9 0.593 -0.264 -0.866 2022 10 0.650 -0.270 -0.872 2022 11 0.886 -0.268 -0.874 2022 12 0.899 -0.270 -0.877 2023 1 0.909 -0.267 -0.898 2023 2 0.909 -0.267 -0.897 2023 3 0.905 -0.218 -0.744 2023 4 0.941 -0.215 -0.744 2023 5 0.910 -0.216 -0.745 2023 6 0.794 -0.216 -0.744 2023 7 0.688 -0.213 -0.742 2023 8 89.448 3.963 3.325 2023 9 89.941 4.081 3.446 2023 10 85.861 4.076 3.442 2023 11 88.864 3.923 3.285 2023 12 86.811 3.759 3.118 2024 1 79.862 3.772 3.107 2024 2 69.398 3.988 3.325 2024 3 55.512 4.978 4.425 2024 4 52.160 4.681 4.125 2024 5 75.028 4.670 4.114 2024 6 86.085 4.775 4.221 2024 7 85.588 4.559 4.002 2024 8 80.146 3.520 2.849 2024 9 80.895 3.641 2.973 2024 10 72.157 3.377 2.711 2024 11 79.972 3.500 2.829 2024 12 84.181 3.635 2.962 2025 1 77.055 3.628 2.930 2025 2 63.787 3.640 2.944 2025 3 46.823 4.151 3.571 2025 4 50.079 4.482 3.899 2025 5 72.343 4.493 3.910 2025 6 79.361 4.382 3.800 2025 7 86.438 4.606 4.023 2025 8 81.677 3.593 2.889 2025 9 74.576 3.333 2.633 2025 10 76.623 3.605 2.906 2025 11 83.255 3.656 2.952 2025 12 85.469 3.696 2.990 2026 1 80.840 3.822 3.091 2026 2 62.901 3.585 2.855 2026 3 -999.000 -999.000 -999.000 2026 4 -999.000 -999.000 -999.000 2026 5 -999.000 -999.000 -999.000 2026 6 -999.000 -999.000 -999.000 2026 7 -999.000 -999.000 -999.000 2026 8 -999.000 -999.000 -999.000 2026 9 -999.000 -999.000 -999.000 2026 10 -999.000 -999.000 -999.000 2026 11 -999.000 -999.000 -999.000 2026 12 -999.000 -999.000 -999.000