** Sea Ice Concentration (unit: 1) averaged over the Arctic region ** Detrended for the period of 1982-present ** Missing value: -999.0 Year Month Raw Normalized Detrended 1982 1 0.862 -0.268 0.464 1982 2 0.868 -0.268 0.464 1982 3 0.866 -0.220 0.366 1982 4 0.877 -0.219 0.367 1982 5 0.850 -0.218 0.367 1982 6 0.800 -0.217 0.368 1982 7 0.684 -0.217 0.369 1982 8 0.601 -0.270 0.437 1982 9 0.596 -0.272 0.435 1982 10 0.700 -0.271 0.436 1982 11 0.799 -0.271 0.436 1982 12 0.839 -0.271 0.436 1983 1 0.860 -0.268 0.431 1983 2 0.866 -0.268 0.430 1983 3 0.862 -0.220 0.338 1983 4 0.863 -0.220 0.339 1983 5 0.853 -0.218 0.340 1983 6 0.796 -0.217 0.341 1983 7 0.680 -0.217 0.341 1983 8 0.616 -0.270 0.405 1983 9 0.628 -0.270 0.404 1983 10 0.717 -0.270 0.404 1983 11 0.803 -0.270 0.404 1983 12 0.849 -0.271 0.404 1984 1 0.866 -0.268 0.398 1984 2 0.872 -0.268 0.398 1984 3 0.872 -0.220 0.312 1984 4 0.877 -0.219 0.313 1984 5 0.848 -0.218 0.313 1984 6 0.785 -0.218 0.313 1984 7 0.646 -0.219 0.312 1984 8 0.593 -0.271 0.370 1984 9 0.574 -0.273 0.368 1984 10 0.673 -0.272 0.368 1984 11 0.773 -0.272 0.369 1984 12 0.837 -0.271 0.370 1985 1 0.845 -0.269 0.364 1985 2 0.863 -0.269 0.364 1985 3 0.858 -0.221 0.283 1985 4 0.879 -0.218 0.285 1985 5 0.849 -0.218 0.286 1985 6 0.761 -0.219 0.284 1985 7 0.621 -0.221 0.283 1985 8 0.604 -0.270 0.338 1985 9 0.617 -0.270 0.338 1985 10 0.699 -0.271 0.337 1985 11 0.780 -0.272 0.337 1985 12 0.816 -0.272 0.336 1986 1 0.863 -0.268 0.331 1986 2 0.862 -0.269 0.330 1986 3 0.857 -0.221 0.256 1986 4 0.855 -0.220 0.256 1986 5 0.836 -0.219 0.257 1986 6 0.783 -0.218 0.258 1986 7 0.670 -0.218 0.259 1986 8 0.629 -0.269 0.307 1986 9 0.632 -0.270 0.306 1986 10 0.719 -0.270 0.305 1986 11 0.792 -0.271 0.304 1986 12 0.834 -0.271 0.304 1987 1 0.848 -0.269 0.297 1987 2 0.875 -0.268 0.298 1987 3 0.872 -0.220 0.230 1987 4 0.881 -0.218 0.231 1987 5 0.843 -0.218 0.231 1987 6 0.791 -0.217 0.231 1987 7 0.665 -0.218 0.231 1987 8 0.597 -0.271 0.272 1987 9 0.667 -0.268 0.275 1987 10 0.732 -0.269 0.273 1987 11 0.812 -0.270 0.273 1987 12 0.858 -0.270 0.273 1988 1 0.888 -0.267 0.266 1988 2 0.881 -0.268 0.265 1988 3 0.890 -0.218 0.204 1988 4 0.884 -0.218 0.204 1988 5 0.818 -0.220 0.202 1988 6 0.772 -0.219 0.203 1988 7 0.651 -0.219 0.203 1988 8 0.598 -0.271 0.239 1988 9 0.623 -0.270 0.240 1988 10 0.736 -0.269 0.241 1988 11 0.815 -0.270 0.240 1988 12 0.867 -0.270 0.240 1989 1 0.892 -0.266 0.233 1989 2 0.870 -0.268 0.231 1989 3 0.861 -0.220 0.175 1989 4 0.855 -0.220 0.175 1989 5 0.849 -0.218 0.177 1989 6 0.792 -0.217 0.177 1989 7 0.672 -0.218 0.177 1989 8 0.615 -0.270 0.207 1989 9 0.589 -0.272 0.205 1989 10 0.698 -0.271 0.206 1989 11 0.791 -0.271 0.206 1989 12 0.843 -0.271 0.206 1990 1 0.868 -0.268 0.198 1990 2 0.861 -0.269 0.197 1990 3 0.865 -0.220 0.148 1990 4 0.845 -0.221 0.147 1990 5 0.804 -0.221 0.146 1990 6 0.746 -0.220 0.147 1990 7 0.637 -0.220 0.148 1990 8 0.614 -0.270 0.174 1990 9 0.624 -0.270 0.174 1990 10 0.690 -0.271 0.172 1990 11 0.818 -0.270 0.174 1990 12 0.849 -0.271 0.173 1991 1 0.876 -0.267 0.166 1991 2 0.881 -0.268 0.165 1991 3 0.884 -0.219 0.122 1991 4 0.874 -0.219 0.122 1991 5 0.840 -0.219 0.122 1991 6 0.775 -0.218 0.122 1991 7 0.644 -0.220 0.121 1991 8 0.605 -0.270 0.141 1991 9 0.575 -0.273 0.138 1991 10 0.693 -0.271 0.140 1991 11 0.787 -0.271 0.140 1991 12 0.842 -0.271 0.140 1992 1 0.872 -0.268 0.132 1992 2 0.880 -0.268 0.132 1992 3 0.879 -0.219 0.094 1992 4 0.878 -0.219 0.095 1992 5 0.842 -0.218 0.095 1992 6 0.789 -0.218 0.095 1992 7 0.651 -0.219 0.094 1992 8 0.598 -0.271 0.108 1992 9 0.627 -0.270 0.108 1992 10 0.752 -0.268 0.110 1992 11 0.821 -0.269 0.109 1992 12 0.862 -0.270 0.108 1993 1 0.875 -0.267 0.099 1993 2 0.872 -0.268 0.098 1993 3 0.884 -0.219 0.068 1993 4 0.876 -0.219 0.067 1993 5 0.837 -0.219 0.067 1993 6 0.752 -0.220 0.066 1993 7 0.600 -0.222 0.064 1993 8 0.544 -0.274 0.072 1993 9 0.598 -0.272 0.074 1993 10 0.698 -0.271 0.074 1993 11 0.796 -0.271 0.074 1993 12 0.849 -0.271 0.075 1994 1 0.881 -0.267 0.066 1994 2 0.890 -0.267 0.066 1994 3 0.889 -0.218 0.041 1994 4 0.887 -0.218 0.041 1994 5 0.843 -0.218 0.040 1994 6 0.771 -0.219 0.040 1994 7 0.648 -0.219 0.040 1994 8 0.589 -0.271 0.041 1994 9 0.621 -0.270 0.042 1994 10 0.721 -0.269 0.043 1994 11 0.816 -0.270 0.043 1994 12 0.864 -0.270 0.043 1995 1 0.888 -0.267 0.033 1995 2 0.893 -0.267 0.033 1995 3 0.888 -0.218 0.013 1995 4 0.859 -0.220 0.012 1995 5 0.812 -0.220 0.011 1995 6 0.740 -0.221 0.010 1995 7 0.603 -0.222 0.009 1995 8 0.584 -0.271 0.008 1995 9 0.620 -0.270 0.009 1995 10 0.659 -0.273 0.006 1995 11 0.775 -0.272 0.008 1995 12 0.834 -0.271 0.008 1996 1 0.861 -0.268 -0.002 1996 2 0.874 -0.268 -0.002 1996 3 0.872 -0.220 -0.015 1996 4 0.864 -0.220 -0.015 1996 5 0.837 -0.219 -0.015 1996 6 0.787 -0.218 -0.014 1996 7 0.686 -0.217 -0.012 1996 8 0.614 -0.270 -0.023 1996 9 0.659 -0.268 -0.022 1996 10 0.750 -0.268 -0.021 1996 11 0.765 -0.273 -0.026 1996 12 0.832 -0.272 -0.025 1997 1 0.856 -0.268 -0.035 1997 2 0.877 -0.268 -0.035 1997 3 0.870 -0.220 -0.043 1997 4 0.866 -0.219 -0.042 1997 5 0.821 -0.220 -0.043 1997 6 0.745 -0.221 -0.044 1997 7 0.626 -0.221 -0.044 1997 8 0.600 -0.271 -0.057 1997 9 0.631 -0.270 -0.056 1997 10 0.675 -0.272 -0.059 1997 11 0.783 -0.272 -0.058 1997 12 0.842 -0.271 -0.057 1998 1 0.873 -0.267 -0.068 1998 2 0.893 -0.267 -0.067 1998 3 0.884 -0.219 -0.069 1998 4 0.875 -0.219 -0.069 1998 5 0.831 -0.219 -0.069 1998 6 0.750 -0.220 -0.071 1998 7 0.625 -0.221 -0.071 1998 8 0.541 -0.274 -0.093 1998 9 0.549 -0.274 -0.093 1998 10 0.697 -0.271 -0.090 1998 11 0.787 -0.271 -0.090 1998 12 0.837 -0.271 -0.090 1999 1 0.884 -0.267 -0.100 1999 2 0.896 -0.267 -0.100 1999 3 0.905 -0.217 -0.094 1999 4 0.893 -0.217 -0.095 1999 5 0.850 -0.218 -0.095 1999 6 0.755 -0.220 -0.097 1999 7 0.636 -0.220 -0.097 1999 8 0.567 -0.272 -0.124 1999 9 0.578 -0.273 -0.125 1999 10 0.701 -0.271 -0.123 1999 11 0.800 -0.271 -0.123 1999 12 0.854 -0.270 -0.122 2000 1 0.869 -0.268 -0.135 2000 2 0.882 -0.267 -0.134 2000 3 0.888 -0.218 -0.123 2000 4 0.879 -0.218 -0.123 2000 5 0.835 -0.219 -0.124 2000 6 0.741 -0.221 -0.126 2000 7 0.609 -0.222 -0.127 2000 8 0.571 -0.272 -0.157 2000 9 0.590 -0.272 -0.157 2000 10 0.709 -0.270 -0.155 2000 11 0.792 -0.271 -0.156 2000 12 0.847 -0.271 -0.156 2001 1 0.868 -0.268 -0.168 2001 2 0.870 -0.268 -0.168 2001 3 0.893 -0.218 -0.150 2001 4 0.888 -0.218 -0.150 2001 5 0.833 -0.219 -0.151 2001 6 0.756 -0.220 -0.152 2001 7 0.624 -0.221 -0.153 2001 8 0.586 -0.271 -0.189 2001 9 0.590 -0.272 -0.190 2001 10 0.702 -0.270 -0.188 2001 11 0.791 -0.271 -0.189 2001 12 0.823 -0.272 -0.190 2002 1 0.862 -0.268 -0.202 2002 2 0.884 -0.267 -0.201 2002 3 0.890 -0.218 -0.177 2002 4 0.875 -0.219 -0.178 2002 5 0.840 -0.219 -0.178 2002 6 0.755 -0.220 -0.179 2002 7 0.631 -0.220 -0.179 2002 8 0.551 -0.273 -0.224 2002 9 0.574 -0.273 -0.224 2002 10 0.682 -0.272 -0.222 2002 11 0.782 -0.272 -0.222 2002 12 0.818 -0.272 -0.223 2003 1 0.859 -0.268 -0.235 2003 2 0.879 -0.268 -0.234 2003 3 0.880 -0.219 -0.205 2003 4 0.866 -0.219 -0.206 2003 5 0.817 -0.220 -0.207 2003 6 0.743 -0.221 -0.207 2003 7 0.602 -0.222 -0.209 2003 8 0.548 -0.273 -0.257 2003 9 0.570 -0.273 -0.257 2003 10 0.667 -0.272 -0.256 2003 11 0.772 -0.272 -0.256 2003 12 0.838 -0.271 -0.255 2004 1 0.876 -0.267 -0.267 2004 2 0.878 -0.268 -0.268 2004 3 0.879 -0.219 -0.233 2004 4 0.872 -0.219 -0.233 2004 5 0.841 -0.218 -0.232 2004 6 0.767 -0.219 -0.233 2004 7 0.631 -0.220 -0.234 2004 8 0.572 -0.272 -0.289 2004 9 0.625 -0.270 -0.286 2004 10 0.709 -0.270 -0.287 2004 11 0.798 -0.271 -0.287 2004 12 0.849 -0.271 -0.287 2005 1 0.872 -0.268 -0.301 2005 2 0.870 -0.268 -0.301 2005 3 0.889 -0.218 -0.259 2005 4 0.877 -0.219 -0.259 2005 5 0.834 -0.219 -0.260 2005 6 0.778 -0.218 -0.259 2005 7 0.672 -0.218 -0.259 2005 8 0.623 -0.269 -0.319 2005 9 0.652 -0.269 -0.318 2005 10 0.698 -0.271 -0.320 2005 11 0.814 -0.270 -0.319 2005 12 0.841 -0.271 -0.320 2006 1 0.849 -0.269 -0.335 2006 2 0.875 -0.268 -0.334 2006 3 0.877 -0.219 -0.287 2006 4 0.871 -0.219 -0.287 2006 5 0.821 -0.220 -0.288 2006 6 0.762 -0.219 -0.287 2006 7 0.684 -0.217 -0.285 2006 8 0.631 -0.269 -0.351 2006 9 0.698 -0.266 -0.348 2006 10 0.770 -0.267 -0.349 2006 11 0.845 -0.268 -0.350 2006 12 0.867 -0.270 -0.352 2007 1 0.888 -0.267 -0.366 2007 2 0.896 -0.267 -0.366 2007 3 0.900 -0.217 -0.313 2007 4 0.889 -0.218 -0.313 2007 5 0.880 -0.216 -0.311 2007 6 0.812 -0.216 -0.311 2007 7 0.715 -0.215 -0.310 2007 8 0.663 -0.267 -0.382 2007 9 0.676 -0.267 -0.382 2007 10 0.698 -0.271 -0.386 2007 11 0.827 -0.269 -0.384 2007 12 0.869 -0.270 -0.385 2008 1 0.893 -0.266 -0.400 2008 2 0.898 -0.266 -0.400 2008 3 0.906 -0.217 -0.339 2008 4 0.899 -0.217 -0.340 2008 5 0.878 -0.216 -0.339 2008 6 0.812 -0.216 -0.338 2008 7 0.728 -0.214 -0.337 2008 8 0.630 -0.269 -0.417 2008 9 0.640 -0.269 -0.417 2008 10 0.743 -0.268 -0.416 2008 11 0.843 -0.268 -0.416 2008 12 0.886 -0.269 -0.417 2009 1 0.899 -0.266 -0.432 2009 2 0.914 -0.265 -0.432 2009 3 0.920 -0.216 -0.366 2009 4 0.906 -0.217 -0.366 2009 5 0.820 -0.220 -0.370 2009 6 0.823 -0.215 -0.365 2009 7 0.737 -0.213 -0.363 2009 8 0.647 -0.268 -0.449 2009 9 0.663 -0.268 -0.449 2009 10 0.733 -0.269 -0.449 2009 11 0.851 -0.268 -0.449 2009 12 0.898 -0.268 -0.449 2010 1 0.918 -0.265 -0.465 2010 2 0.926 -0.265 -0.464 2010 3 0.937 -0.214 -0.392 2010 4 0.925 -0.215 -0.392 2010 5 0.873 -0.216 -0.393 2010 6 0.806 -0.216 -0.393 2010 7 0.726 -0.214 -0.391 2010 8 0.639 -0.268 -0.482 2010 9 0.613 -0.271 -0.484 2010 10 0.759 -0.267 -0.481 2010 11 0.867 -0.267 -0.481 2010 12 0.892 -0.268 -0.482 2011 1 0.906 -0.266 -0.499 2011 2 0.931 -0.264 -0.497 2011 3 0.915 -0.216 -0.420 2011 4 0.919 -0.215 -0.420 2011 5 0.874 -0.216 -0.420 2011 6 0.812 -0.216 -0.420 2011 7 0.710 -0.215 -0.419 2011 8 0.616 -0.270 -0.516 2011 9 0.647 -0.269 -0.515 2011 10 0.675 -0.272 -0.518 2011 11 0.797 -0.271 -0.517 2011 12 0.850 -0.271 -0.517 2012 1 0.894 -0.266 -0.533 2012 2 0.890 -0.267 -0.533 2012 3 0.899 -0.217 -0.449 2012 4 0.899 -0.217 -0.448 2012 5 0.874 -0.216 -0.448 2012 6 0.773 -0.219 -0.450 2012 7 0.624 -0.221 -0.452 2012 8 0.507 -0.276 -0.555 2012 9 0.519 -0.276 -0.555 2012 10 0.647 -0.274 -0.553 2012 11 0.776 -0.272 -0.551 2012 12 0.839 -0.271 -0.551 2013 1 0.870 -0.268 -0.567 2013 2 0.900 -0.266 -0.566 2013 3 0.905 -0.217 -0.476 2013 4 0.897 -0.217 -0.476 2013 5 0.850 -0.218 -0.476 2013 6 0.790 -0.217 -0.476 2013 7 0.670 -0.218 -0.477 2013 8 0.608 -0.270 -0.583 2013 9 0.604 -0.271 -0.584 2013 10 0.696 -0.271 -0.583 2013 11 0.798 -0.271 -0.583 2013 12 0.857 -0.270 -0.583 2014 1 0.880 -0.267 -0.600 2014 2 0.877 -0.268 -0.601 2014 3 0.883 -0.219 -0.505 2014 4 0.887 -0.218 -0.504 2014 5 0.848 -0.218 -0.504 2014 6 0.783 -0.218 -0.504 2014 7 0.679 -0.217 -0.503 2014 8 0.629 -0.269 -0.614 2014 9 0.608 -0.271 -0.616 2014 10 0.672 -0.272 -0.617 2014 11 0.806 -0.270 -0.616 2014 12 0.858 -0.270 -0.616 2015 1 0.884 -0.267 -0.633 2015 2 0.897 -0.267 -0.633 2015 3 0.892 -0.218 -0.531 2015 4 0.883 -0.218 -0.531 2015 5 0.848 -0.218 -0.531 2015 6 0.772 -0.219 -0.531 2015 7 0.656 -0.219 -0.532 2015 8 0.555 -0.273 -0.651 2015 9 0.588 -0.272 -0.650 2015 10 0.675 -0.272 -0.650 2015 11 0.790 -0.271 -0.649 2015 12 0.850 -0.271 -0.649 2016 1 0.868 -0.268 -0.667 2016 2 0.877 -0.268 -0.667 2016 3 0.878 -0.219 -0.560 2016 4 0.874 -0.219 -0.559 2016 5 0.821 -0.220 -0.560 2016 6 0.757 -0.220 -0.560 2016 7 0.652 -0.219 -0.560 2016 8 0.538 -0.274 -0.685 2016 9 0.517 -0.276 -0.687 2016 10 0.628 -0.275 -0.685 2016 11 0.736 -0.274 -0.685 2016 12 0.808 -0.273 -0.684 2017 1 0.855 -0.269 -0.701 2017 2 0.875 -0.268 -0.701 2017 3 0.898 -0.217 -0.585 2017 4 0.894 -0.217 -0.585 2017 5 0.855 -0.218 -0.585 2017 6 0.777 -0.218 -0.586 2017 7 0.660 -0.218 -0.586 2017 8 0.580 -0.272 -0.716 2017 9 0.606 -0.271 -0.715 2017 10 0.685 -0.271 -0.715 2017 11 0.785 -0.271 -0.715 2017 12 0.840 -0.271 -0.715 2018 1 0.870 -0.268 -0.734 2018 2 0.879 -0.268 -0.734 2018 3 0.891 -0.218 -0.613 2018 4 0.893 -0.217 -0.612 2018 5 0.862 -0.217 -0.612 2018 6 0.807 -0.216 -0.611 2018 7 0.723 -0.214 -0.609 2018 8 0.650 -0.268 -0.745 2018 9 0.656 -0.268 -0.745 2018 10 0.692 -0.271 -0.747 2018 11 0.833 -0.269 -0.746 2018 12 0.880 -0.269 -0.746 2019 1 0.905 -0.266 -0.765 2019 2 0.911 -0.266 -0.765 2019 3 0.908 -0.217 -0.639 2019 4 0.891 -0.218 -0.640 2019 5 0.858 -0.217 -0.639 2019 6 0.794 -0.217 -0.639 2019 7 0.670 -0.218 -0.640 2019 8 0.620 -0.269 -0.779 2019 9 0.696 -0.266 -0.776 2019 10 0.698 -0.271 -0.780 2019 11 0.800 -0.271 -0.780 2019 12 0.868 -0.270 -0.780 2020 1 0.905 -0.266 -0.798 2020 2 0.915 -0.265 -0.798 2020 3 0.914 -0.216 -0.666 2020 4 0.898 -0.217 -0.666 2020 5 0.852 -0.218 -0.667 2020 6 0.793 -0.217 -0.666 2020 7 0.683 -0.217 -0.666 2020 8 0.628 -0.269 -0.812 2020 9 0.641 -0.269 -0.812 2020 10 0.687 -0.271 -0.813 2020 11 0.807 -0.270 -0.813 2020 12 0.864 -0.270 -0.813 2021 1 0.891 -0.266 -0.832 2021 2 0.917 -0.265 -0.831 2021 3 0.914 -0.216 -0.693 2021 4 0.902 -0.217 -0.693 2021 5 0.873 -0.216 -0.693 2021 6 0.785 -0.218 -0.694 2021 7 0.696 -0.216 -0.693 2021 8 0.666 -0.267 -0.842 2021 9 0.647 -0.269 -0.844 2021 10 0.745 -0.268 -0.843 2021 11 0.831 -0.269 -0.844 2021 12 0.878 -0.269 -0.845 2022 1 0.910 -0.265 -0.865 2022 2 0.912 -0.266 -0.865 2022 3 0.908 -0.217 -0.721 2022 4 0.913 -0.216 -0.720 2022 5 0.878 -0.216 -0.720 2022 6 0.812 -0.216 -0.719 2022 7 0.730 -0.214 -0.718 2022 8 0.688 -0.266 -0.874 2022 9 0.677 -0.267 -0.875 2022 10 0.730 -0.269 -0.877 2022 11 0.847 -0.268 -0.876 2022 12 0.873 -0.269 -0.878 2023 1 0.903 -0.266 -0.898 2023 2 0.914 -0.265 -0.898 2023 3 0.913 -0.216 -0.748 2023 4 0.917 -0.216 -0.747 2023 5 0.880 -0.216 -0.747 2023 6 0.809 -0.216 -0.747 2023 7 0.705 -0.215 -0.747 2023 8 73.550 3.776 3.135 2023 9 73.086 3.770 3.129 2023 10 71.225 3.781 3.140 2023 11 74.249 3.778 3.136 2023 12 74.019 3.702 3.060 2024 1 71.331 3.755 3.089 2024 2 66.596 3.810 3.144 2024 3 61.418 4.550 3.992 2024 4 64.468 4.455 3.896 2024 5 71.959 4.510 3.952 2024 6 72.238 4.604 4.046 2024 7 71.564 4.560 4.002 2024 8 70.982 3.633 2.959 2024 9 71.169 3.664 2.989 2024 10 68.474 3.623 2.949 2024 11 71.036 3.601 2.926 2024 12 74.450 3.725 3.051 2025 1 72.285 3.809 3.110 2025 2 66.803 3.823 3.124 2025 3 62.240 4.615 4.029 2025 4 67.908 4.707 4.122 2025 5 74.119 4.654 4.069 2025 6 71.616 4.562 3.977 2025 7 72.228 4.605 4.019 2025 8 71.817 3.680 2.973 2025 9 71.022 3.655 2.948 2025 10 69.565 3.685 2.979 2025 11 73.029 3.710 3.003 2025 12 73.305 3.663 2.956 2026 1 69.656 3.659 2.927 2026 2 63.011 3.588 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