** 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 -0.219 0.393 1982 2 0.868 -0.220 0.393 1982 3 0.866 -0.220 0.393 1982 4 0.877 -0.219 0.394 1982 5 0.850 -0.218 0.394 1982 6 0.800 -0.152 0.271 1982 7 0.684 -0.152 0.272 1982 8 0.601 -0.221 0.369 1982 9 0.596 -0.222 0.368 1982 10 0.700 -0.221 0.368 1982 11 0.799 -0.221 0.369 1982 12 0.839 -0.222 0.369 1983 1 0.860 -0.219 0.364 1983 2 0.866 -0.220 0.364 1983 3 0.862 -0.220 0.364 1983 4 0.863 -0.220 0.364 1983 5 0.853 -0.218 0.366 1983 6 0.796 -0.153 0.250 1983 7 0.680 -0.153 0.251 1983 8 0.616 -0.220 0.342 1983 9 0.628 -0.220 0.342 1983 10 0.717 -0.220 0.341 1983 11 0.803 -0.221 0.341 1983 12 0.849 -0.221 0.341 1984 1 0.866 -0.219 0.336 1984 2 0.872 -0.219 0.336 1984 3 0.872 -0.220 0.336 1984 4 0.877 -0.219 0.337 1984 5 0.848 -0.218 0.337 1984 6 0.785 -0.154 0.229 1984 7 0.646 -0.156 0.228 1984 8 0.593 -0.221 0.312 1984 9 0.574 -0.224 0.310 1984 10 0.673 -0.223 0.310 1984 11 0.773 -0.223 0.311 1984 12 0.837 -0.222 0.312 1985 1 0.845 -0.220 0.306 1985 2 0.863 -0.220 0.307 1985 3 0.858 -0.221 0.307 1985 4 0.879 -0.218 0.309 1985 5 0.849 -0.218 0.309 1985 6 0.761 -0.156 0.207 1985 7 0.621 -0.158 0.205 1985 8 0.604 -0.221 0.285 1985 9 0.617 -0.221 0.285 1985 10 0.699 -0.221 0.284 1985 11 0.780 -0.222 0.283 1985 12 0.816 -0.223 0.283 1986 1 0.863 -0.219 0.279 1986 2 0.862 -0.220 0.278 1986 3 0.857 -0.221 0.278 1986 4 0.855 -0.220 0.278 1986 5 0.836 -0.219 0.279 1986 6 0.783 -0.154 0.189 1986 7 0.670 -0.154 0.190 1986 8 0.629 -0.219 0.259 1986 9 0.632 -0.220 0.258 1986 10 0.719 -0.220 0.257 1986 11 0.792 -0.222 0.256 1986 12 0.834 -0.222 0.256 1987 1 0.848 -0.220 0.250 1987 2 0.875 -0.219 0.251 1987 3 0.872 -0.220 0.251 1987 4 0.881 -0.218 0.252 1987 5 0.843 -0.218 0.251 1987 6 0.791 -0.153 0.169 1987 7 0.665 -0.154 0.169 1987 8 0.597 -0.221 0.228 1987 9 0.667 -0.218 0.232 1987 10 0.732 -0.219 0.230 1987 11 0.812 -0.220 0.229 1987 12 0.858 -0.220 0.229 1988 1 0.888 -0.218 0.224 1988 2 0.881 -0.219 0.223 1988 3 0.890 -0.218 0.224 1988 4 0.884 -0.218 0.223 1988 5 0.818 -0.220 0.221 1988 6 0.772 -0.155 0.147 1988 7 0.651 -0.155 0.148 1988 8 0.598 -0.221 0.200 1988 9 0.623 -0.220 0.201 1988 10 0.736 -0.219 0.202 1988 11 0.815 -0.220 0.201 1988 12 0.867 -0.220 0.202 1989 1 0.892 -0.217 0.196 1989 2 0.870 -0.219 0.194 1989 3 0.861 -0.220 0.193 1989 4 0.855 -0.220 0.193 1989 5 0.849 -0.218 0.195 1989 6 0.792 -0.153 0.129 1989 7 0.672 -0.153 0.129 1989 8 0.615 -0.220 0.173 1989 9 0.589 -0.223 0.171 1989 10 0.698 -0.221 0.171 1989 11 0.791 -0.222 0.172 1989 12 0.843 -0.221 0.172 1990 1 0.868 -0.219 0.165 1990 2 0.861 -0.220 0.164 1990 3 0.865 -0.220 0.165 1990 4 0.845 -0.221 0.164 1990 5 0.804 -0.221 0.163 1990 6 0.746 -0.157 0.104 1990 7 0.637 -0.157 0.106 1990 8 0.614 -0.220 0.145 1990 9 0.624 -0.220 0.145 1990 10 0.690 -0.222 0.143 1990 11 0.818 -0.220 0.145 1990 12 0.849 -0.221 0.144 1991 1 0.876 -0.218 0.138 1991 2 0.881 -0.219 0.137 1991 3 0.884 -0.219 0.138 1991 4 0.874 -0.219 0.137 1991 5 0.840 -0.219 0.137 1991 6 0.775 -0.155 0.087 1991 7 0.644 -0.156 0.086 1991 8 0.605 -0.221 0.117 1991 9 0.575 -0.224 0.114 1991 10 0.693 -0.221 0.115 1991 11 0.787 -0.222 0.115 1991 12 0.842 -0.221 0.116 1992 1 0.872 -0.219 0.109 1992 2 0.880 -0.219 0.109 1992 3 0.879 -0.219 0.109 1992 4 0.878 -0.219 0.109 1992 5 0.842 -0.218 0.109 1992 6 0.789 -0.153 0.068 1992 7 0.651 -0.155 0.067 1992 8 0.598 -0.221 0.088 1992 9 0.627 -0.220 0.089 1992 10 0.752 -0.217 0.091 1992 11 0.821 -0.220 0.089 1992 12 0.862 -0.220 0.089 1993 1 0.875 -0.218 0.081 1993 2 0.872 -0.219 0.080 1993 3 0.884 -0.219 0.081 1993 4 0.876 -0.219 0.080 1993 5 0.837 -0.219 0.080 1993 6 0.752 -0.157 0.045 1993 7 0.600 -0.160 0.042 1993 8 0.544 -0.225 0.056 1993 9 0.598 -0.222 0.059 1993 10 0.698 -0.221 0.059 1993 11 0.796 -0.221 0.060 1993 12 0.849 -0.221 0.060 1994 1 0.881 -0.218 0.053 1994 2 0.890 -0.218 0.053 1994 3 0.889 -0.218 0.053 1994 4 0.887 -0.218 0.053 1994 5 0.843 -0.218 0.052 1994 6 0.771 -0.155 0.026 1994 7 0.648 -0.156 0.026 1994 8 0.589 -0.222 0.031 1994 9 0.621 -0.221 0.032 1994 10 0.721 -0.220 0.033 1994 11 0.816 -0.220 0.033 1994 12 0.864 -0.220 0.033 1995 1 0.888 -0.217 0.025 1995 2 0.893 -0.218 0.024 1995 3 0.888 -0.218 0.024 1995 4 0.859 -0.220 0.022 1995 5 0.812 -0.220 0.022 1995 6 0.740 -0.158 0.003 1995 7 0.603 -0.160 0.002 1995 8 0.584 -0.222 0.003 1995 9 0.620 -0.221 0.004 1995 10 0.659 -0.224 0.000 1995 11 0.775 -0.223 0.002 1995 12 0.834 -0.222 0.003 1996 1 0.861 -0.219 -0.006 1996 2 0.874 -0.219 -0.006 1996 3 0.872 -0.220 -0.006 1996 4 0.864 -0.220 -0.006 1996 5 0.837 -0.219 -0.005 1996 6 0.787 -0.154 -0.013 1996 7 0.686 -0.152 -0.011 1996 8 0.614 -0.220 -0.023 1996 9 0.659 -0.218 -0.021 1996 10 0.750 -0.218 -0.021 1996 11 0.765 -0.223 -0.027 1996 12 0.832 -0.222 -0.025 1997 1 0.856 -0.220 -0.035 1997 2 0.877 -0.219 -0.034 1997 3 0.870 -0.220 -0.034 1997 4 0.866 -0.219 -0.034 1997 5 0.821 -0.220 -0.035 1997 6 0.745 -0.157 -0.037 1997 7 0.626 -0.158 -0.037 1997 8 0.600 -0.221 -0.052 1997 9 0.631 -0.220 -0.051 1997 10 0.675 -0.223 -0.054 1997 11 0.783 -0.222 -0.054 1997 12 0.842 -0.221 -0.053 1998 1 0.873 -0.218 -0.062 1998 2 0.893 -0.218 -0.061 1998 3 0.884 -0.219 -0.062 1998 4 0.875 -0.219 -0.062 1998 5 0.831 -0.219 -0.063 1998 6 0.750 -0.157 -0.056 1998 7 0.625 -0.158 -0.057 1998 8 0.541 -0.225 -0.084 1998 9 0.549 -0.225 -0.085 1998 10 0.697 -0.221 -0.081 1998 11 0.787 -0.222 -0.081 1998 12 0.837 -0.222 -0.081 1999 1 0.884 -0.218 -0.090 1999 2 0.896 -0.218 -0.089 1999 3 0.905 -0.217 -0.089 1999 4 0.893 -0.217 -0.089 1999 5 0.850 -0.218 -0.090 1999 6 0.755 -0.157 -0.076 1999 7 0.636 -0.157 -0.076 1999 8 0.567 -0.223 -0.111 1999 9 0.578 -0.223 -0.111 1999 10 0.701 -0.221 -0.109 1999 11 0.800 -0.221 -0.109 1999 12 0.854 -0.221 -0.108 2000 1 0.869 -0.219 -0.119 2000 2 0.882 -0.219 -0.119 2000 3 0.888 -0.218 -0.119 2000 4 0.879 -0.218 -0.119 2000 5 0.835 -0.219 -0.119 2000 6 0.741 -0.158 -0.097 2000 7 0.609 -0.159 -0.099 2000 8 0.571 -0.223 -0.139 2000 9 0.590 -0.223 -0.138 2000 10 0.709 -0.220 -0.136 2000 11 0.792 -0.221 -0.137 2000 12 0.847 -0.221 -0.137 2001 1 0.868 -0.219 -0.148 2001 2 0.870 -0.219 -0.148 2001 3 0.893 -0.218 -0.147 2001 4 0.888 -0.218 -0.147 2001 5 0.833 -0.219 -0.148 2001 6 0.756 -0.156 -0.116 2001 7 0.624 -0.158 -0.118 2001 8 0.586 -0.222 -0.166 2001 9 0.590 -0.223 -0.166 2001 10 0.702 -0.221 -0.165 2001 11 0.791 -0.222 -0.165 2001 12 0.823 -0.223 -0.166 2002 1 0.862 -0.219 -0.177 2002 2 0.884 -0.218 -0.176 2002 3 0.890 -0.218 -0.175 2002 4 0.875 -0.219 -0.176 2002 5 0.840 -0.219 -0.176 2002 6 0.755 -0.156 -0.136 2002 7 0.631 -0.157 -0.137 2002 8 0.551 -0.224 -0.196 2002 9 0.574 -0.224 -0.196 2002 10 0.682 -0.222 -0.194 2002 11 0.782 -0.222 -0.194 2002 12 0.818 -0.223 -0.195 2003 1 0.859 -0.219 -0.205 2003 2 0.879 -0.219 -0.205 2003 3 0.880 -0.219 -0.205 2003 4 0.866 -0.219 -0.205 2003 5 0.817 -0.220 -0.206 2003 6 0.743 -0.158 -0.158 2003 7 0.602 -0.160 -0.160 2003 8 0.548 -0.224 -0.224 2003 9 0.570 -0.224 -0.224 2003 10 0.667 -0.223 -0.223 2003 11 0.772 -0.223 -0.223 2003 12 0.838 -0.222 -0.222 2004 1 0.876 -0.218 -0.233 2004 2 0.878 -0.219 -0.233 2004 3 0.879 -0.219 -0.233 2004 4 0.872 -0.219 -0.233 2004 5 0.841 -0.218 -0.233 2004 6 0.767 -0.155 -0.176 2004 7 0.631 -0.157 -0.178 2004 8 0.572 -0.223 -0.251 2004 9 0.625 -0.220 -0.248 2004 10 0.709 -0.220 -0.248 2004 11 0.798 -0.221 -0.249 2004 12 0.849 -0.221 -0.249 2005 1 0.872 -0.219 -0.261 2005 2 0.870 -0.219 -0.262 2005 3 0.889 -0.218 -0.261 2005 4 0.877 -0.219 -0.261 2005 5 0.834 -0.219 -0.262 2005 6 0.778 -0.154 -0.195 2005 7 0.672 -0.154 -0.194 2005 8 0.623 -0.219 -0.276 2005 9 0.652 -0.219 -0.275 2005 10 0.698 -0.221 -0.277 2005 11 0.814 -0.220 -0.276 2005 12 0.841 -0.222 -0.278 2006 1 0.849 -0.220 -0.291 2006 2 0.875 -0.219 -0.290 2006 3 0.877 -0.219 -0.290 2006 4 0.871 -0.219 -0.290 2006 5 0.821 -0.220 -0.291 2006 6 0.762 -0.156 -0.216 2006 7 0.684 -0.152 -0.213 2006 8 0.631 -0.219 -0.303 2006 9 0.698 -0.216 -0.300 2006 10 0.770 -0.216 -0.300 2006 11 0.845 -0.218 -0.302 2006 12 0.867 -0.220 -0.304 2007 1 0.888 -0.217 -0.317 2007 2 0.896 -0.218 -0.317 2007 3 0.900 -0.217 -0.317 2007 4 0.889 -0.218 -0.317 2007 5 0.880 -0.216 -0.316 2007 6 0.812 -0.151 -0.232 2007 7 0.715 -0.149 -0.230 2007 8 0.663 -0.217 -0.329 2007 9 0.676 -0.217 -0.329 2007 10 0.698 -0.221 -0.333 2007 11 0.827 -0.219 -0.332 2007 12 0.869 -0.220 -0.332 2008 1 0.893 -0.217 -0.345 2008 2 0.898 -0.217 -0.346 2008 3 0.906 -0.217 -0.345 2008 4 0.899 -0.217 -0.345 2008 5 0.878 -0.216 -0.344 2008 6 0.812 -0.151 -0.252 2008 7 0.728 -0.148 -0.249 2008 8 0.630 -0.219 -0.359 2008 9 0.640 -0.219 -0.360 2008 10 0.743 -0.218 -0.358 2008 11 0.843 -0.218 -0.359 2008 12 0.886 -0.219 -0.359 2009 1 0.899 -0.217 -0.373 2009 2 0.914 -0.216 -0.373 2009 3 0.920 -0.216 -0.373 2009 4 0.906 -0.217 -0.373 2009 5 0.820 -0.220 -0.376 2009 6 0.823 -0.150 -0.271 2009 7 0.737 -0.147 -0.269 2009 8 0.647 -0.218 -0.386 2009 9 0.663 -0.218 -0.386 2009 10 0.733 -0.219 -0.387 2009 11 0.851 -0.218 -0.386 2009 12 0.898 -0.218 -0.387 2010 1 0.918 -0.215 -0.400 2010 2 0.926 -0.215 -0.400 2010 3 0.937 -0.214 -0.400 2010 4 0.925 -0.215 -0.400 2010 5 0.873 -0.216 -0.401 2010 6 0.806 -0.152 -0.293 2010 7 0.726 -0.148 -0.290 2010 8 0.639 -0.218 -0.415 2010 9 0.613 -0.221 -0.418 2010 10 0.759 -0.217 -0.413 2010 11 0.867 -0.217 -0.413 2010 12 0.892 -0.218 -0.415 2011 1 0.906 -0.216 -0.430 2011 2 0.931 -0.215 -0.429 2011 3 0.915 -0.216 -0.430 2011 4 0.919 -0.215 -0.429 2011 5 0.874 -0.216 -0.430 2011 6 0.812 -0.151 -0.312 2011 7 0.710 -0.150 -0.312 2011 8 0.616 -0.220 -0.445 2011 9 0.647 -0.219 -0.444 2011 10 0.675 -0.223 -0.447 2011 11 0.797 -0.221 -0.446 2011 12 0.850 -0.221 -0.446 2012 1 0.894 -0.217 -0.459 2012 2 0.890 -0.218 -0.460 2012 3 0.899 -0.217 -0.460 2012 4 0.899 -0.217 -0.459 2012 5 0.874 -0.216 -0.458 2012 6 0.773 -0.155 -0.336 2012 7 0.624 -0.158 -0.340 2012 8 0.507 -0.227 -0.480 2012 9 0.519 -0.227 -0.480 2012 10 0.647 -0.225 -0.477 2012 11 0.776 -0.223 -0.475 2012 12 0.839 -0.222 -0.475 2013 1 0.870 -0.219 -0.489 2013 2 0.900 -0.217 -0.488 2013 3 0.905 -0.217 -0.488 2013 4 0.897 -0.217 -0.488 2013 5 0.850 -0.218 -0.488 2013 6 0.790 -0.153 -0.355 2013 7 0.670 -0.154 -0.356 2013 8 0.608 -0.220 -0.501 2013 9 0.604 -0.222 -0.503 2013 10 0.696 -0.221 -0.502 2013 11 0.798 -0.221 -0.502 2013 12 0.857 -0.221 -0.502 2014 1 0.880 -0.218 -0.517 2014 2 0.877 -0.219 -0.518 2014 3 0.883 -0.219 -0.518 2014 4 0.887 -0.218 -0.517 2014 5 0.848 -0.218 -0.517 2014 6 0.783 -0.154 -0.376 2014 7 0.679 -0.153 -0.375 2014 8 0.629 -0.219 -0.528 2014 9 0.608 -0.221 -0.531 2014 10 0.672 -0.223 -0.531 2014 11 0.806 -0.221 -0.529 2014 12 0.858 -0.220 -0.530 2015 1 0.884 -0.218 -0.545 2015 2 0.897 -0.217 -0.545 2015 3 0.892 -0.218 -0.546 2015 4 0.883 -0.218 -0.546 2015 5 0.848 -0.218 -0.545 2015 6 0.772 -0.155 -0.397 2015 7 0.656 -0.155 -0.398 2015 8 0.555 -0.224 -0.561 2015 9 0.588 -0.223 -0.560 2015 10 0.675 -0.223 -0.559 2015 11 0.790 -0.222 -0.559 2015 12 0.850 -0.221 -0.558 2016 1 0.868 -0.219 -0.575 2016 2 0.877 -0.219 -0.575 2016 3 0.878 -0.219 -0.575 2016 4 0.874 -0.219 -0.575 2016 5 0.821 -0.220 -0.576 2016 6 0.757 -0.156 -0.418 2016 7 0.652 -0.155 -0.418 2016 8 0.538 -0.225 -0.590 2016 9 0.517 -0.227 -0.593 2016 10 0.628 -0.226 -0.591 2016 11 0.736 -0.225 -0.590 2016 12 0.808 -0.224 -0.589 2017 1 0.855 -0.220 -0.604 2017 2 0.875 -0.219 -0.604 2017 3 0.898 -0.217 -0.602 2017 4 0.894 -0.217 -0.602 2017 5 0.855 -0.218 -0.602 2017 6 0.777 -0.154 -0.436 2017 7 0.660 -0.155 -0.438 2017 8 0.580 -0.222 -0.616 2017 9 0.606 -0.222 -0.615 2017 10 0.685 -0.222 -0.615 2017 11 0.785 -0.222 -0.615 2017 12 0.840 -0.222 -0.615 2018 1 0.870 -0.219 -0.632 2018 2 0.879 -0.219 -0.632 2018 3 0.891 -0.218 -0.631 2018 4 0.893 -0.217 -0.630 2018 5 0.862 -0.217 -0.630 2018 6 0.807 -0.152 -0.454 2018 7 0.723 -0.149 -0.452 2018 8 0.650 -0.218 -0.639 2018 9 0.656 -0.218 -0.640 2018 10 0.692 -0.222 -0.642 2018 11 0.833 -0.219 -0.640 2018 12 0.880 -0.219 -0.641 2019 1 0.905 -0.216 -0.658 2019 2 0.911 -0.216 -0.658 2019 3 0.908 -0.217 -0.658 2019 4 0.891 -0.218 -0.659 2019 5 0.858 -0.217 -0.659 2019 6 0.794 -0.153 -0.475 2019 7 0.670 -0.154 -0.477 2019 8 0.620 -0.220 -0.669 2019 9 0.696 -0.216 -0.665 2019 10 0.698 -0.221 -0.670 2019 11 0.800 -0.221 -0.670 2019 12 0.868 -0.220 -0.670 2020 1 0.905 -0.216 -0.686 2020 2 0.915 -0.216 -0.686 2020 3 0.914 -0.216 -0.686 2020 4 0.898 -0.217 -0.687 2020 5 0.852 -0.218 -0.688 2020 6 0.793 -0.153 -0.495 2020 7 0.683 -0.152 -0.496 2020 8 0.628 -0.219 -0.697 2020 9 0.641 -0.219 -0.697 2020 10 0.687 -0.222 -0.699 2020 11 0.807 -0.221 -0.698 2020 12 0.864 -0.220 -0.698 2021 1 0.891 -0.217 -0.716 2021 2 0.917 -0.216 -0.714 2021 3 0.914 -0.216 -0.715 2021 4 0.902 -0.217 -0.715 2021 5 0.873 -0.216 -0.715 2021 6 0.785 -0.154 -0.516 2021 7 0.696 -0.151 -0.515 2021 8 0.666 -0.217 -0.722 2021 9 0.647 -0.219 -0.725 2021 10 0.745 -0.218 -0.723 2021 11 0.831 -0.219 -0.724 2021 12 0.878 -0.219 -0.725 2022 1 0.910 -0.216 -0.743 2022 2 0.912 -0.216 -0.743 2022 3 0.908 -0.217 -0.744 2022 4 0.913 -0.216 -0.743 2022 5 0.878 -0.216 -0.743 2022 6 0.812 -0.151 -0.534 2022 7 0.730 -0.148 -0.532 2022 8 0.688 -0.215 -0.749 2022 9 0.677 -0.217 -0.751 2022 10 0.730 -0.219 -0.752 2022 11 0.847 -0.218 -0.751 2022 12 0.873 -0.219 -0.754 2023 1 0.903 -0.216 -0.772 2023 2 0.914 -0.216 -0.772 2023 3 0.913 -0.216 -0.772 2023 4 0.917 -0.216 -0.771 2023 5 0.880 -0.216 -0.771 2023 6 0.809 -0.151 -0.554 2023 7 0.705 -0.150 -0.555 2023 8 73.550 4.612 4.050 2023 9 73.086 4.591 4.029 2023 10 71.225 4.621 4.060 2023 11 74.249 4.633 4.071 2023 12 74.019 4.514 3.951 2024 1 71.331 4.550 3.967 2024 2 66.596 4.575 3.991 2024 3 61.418 4.550 3.966 2024 4 64.468 4.455 3.871 2024 5 71.959 4.510 3.927 2024 6 72.238 6.481 6.058 2024 7 71.564 6.481 6.056 2024 8 70.982 4.442 3.852 2024 9 71.169 4.464 3.874 2024 10 68.474 4.432 3.843 2024 11 71.036 4.420 3.831 2024 12 74.450 4.542 3.951 2025 1 72.285 4.615 4.003 2025 2 66.803 4.590 3.978 2025 3 62.240 4.615 4.002 2025 4 67.908 4.707 4.095 2025 5 74.119 4.654 4.042 2025 6 -999.000 -999.000 -999.000 2025 7 -999.000 -999.000 -999.000 2025 8 -999.000 -999.000 -999.000 2025 9 -999.000 -999.000 -999.000 2025 10 -999.000 -999.000 -999.000 2025 11 -999.000 -999.000 -999.000 2025 12 -999.000 -999.000 -999.000