** 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 -0.217 0.393 1982 2 0.938 -0.216 0.393 1982 3 0.935 -0.215 0.392 1982 4 0.948 -0.215 0.395 1982 5 0.918 -0.215 0.395 1982 6 0.831 -0.149 0.271 1982 7 0.689 -0.148 0.273 1982 8 0.543 -0.217 0.369 1982 9 0.496 -0.219 0.366 1982 10 0.741 -0.215 0.366 1982 11 0.905 -0.217 0.369 1982 12 0.913 -0.219 0.369 1983 1 0.899 -0.218 0.363 1983 2 0.902 -0.218 0.362 1983 3 0.895 -0.219 0.360 1983 4 0.912 -0.218 0.364 1983 5 0.900 -0.216 0.365 1983 6 0.799 -0.152 0.248 1983 7 0.636 -0.152 0.249 1983 8 0.461 -0.222 0.337 1983 9 0.480 -0.220 0.337 1983 10 0.719 -0.216 0.337 1983 11 0.867 -0.220 0.339 1983 12 0.919 -0.219 0.342 1984 1 0.917 -0.217 0.336 1984 2 0.887 -0.219 0.333 1984 3 0.909 -0.217 0.333 1984 4 0.927 -0.217 0.337 1984 5 0.913 -0.216 0.338 1984 6 0.840 -0.149 0.231 1984 7 0.627 -0.153 0.228 1984 8 0.530 -0.218 0.313 1984 9 0.479 -0.220 0.309 1984 10 0.696 -0.218 0.308 1984 11 0.833 -0.221 0.309 1984 12 0.878 -0.221 0.311 1985 1 0.892 -0.219 0.306 1985 2 0.911 -0.218 0.306 1985 3 0.891 -0.219 0.303 1985 4 0.924 -0.217 0.308 1985 5 0.898 -0.217 0.308 1985 6 0.727 -0.157 0.203 1985 7 0.552 -0.158 0.202 1985 8 0.466 -0.222 0.281 1985 9 0.463 -0.221 0.281 1985 10 0.610 -0.223 0.275 1985 11 0.825 -0.222 0.280 1985 12 0.890 -0.221 0.284 1986 1 0.933 -0.216 0.280 1986 2 0.899 -0.218 0.277 1986 3 0.900 -0.218 0.276 1986 4 0.915 -0.218 0.279 1986 5 0.903 -0.216 0.280 1986 6 0.838 -0.149 0.191 1986 7 0.686 -0.148 0.193 1986 8 0.572 -0.216 0.259 1986 9 0.610 -0.213 0.261 1986 10 0.741 -0.215 0.255 1986 11 0.862 -0.220 0.255 1986 12 0.917 -0.219 0.257 1987 1 0.890 -0.219 0.249 1987 2 0.929 -0.216 0.251 1987 3 0.919 -0.216 0.249 1987 4 0.936 -0.216 0.252 1987 5 0.895 -0.217 0.251 1987 6 0.838 -0.149 0.171 1987 7 0.645 -0.151 0.169 1987 8 0.475 -0.221 0.226 1987 9 0.546 -0.216 0.229 1987 10 0.743 -0.215 0.228 1987 11 0.891 -0.218 0.228 1987 12 0.858 -0.222 0.226 1988 1 0.928 -0.217 0.223 1988 2 0.930 -0.216 0.223 1988 3 0.938 -0.215 0.223 1988 4 0.944 -0.215 0.225 1988 5 0.865 -0.219 0.221 1988 6 0.749 -0.156 0.144 1988 7 0.584 -0.156 0.145 1988 8 0.486 -0.220 0.198 1988 9 0.554 -0.216 0.202 1988 10 0.769 -0.213 0.202 1988 11 0.912 -0.217 0.202 1988 12 0.917 -0.219 0.201 1989 1 0.918 -0.217 0.194 1989 2 0.932 -0.216 0.195 1989 3 0.923 -0.216 0.193 1989 4 0.916 -0.218 0.194 1989 5 0.890 -0.217 0.194 1989 6 0.835 -0.149 0.131 1989 7 0.699 -0.147 0.134 1989 8 0.615 -0.213 0.178 1989 9 0.533 -0.217 0.173 1989 10 0.757 -0.214 0.173 1989 11 0.861 -0.220 0.171 1989 12 0.901 -0.220 0.172 1990 1 0.911 -0.218 0.165 1990 2 0.886 -0.219 0.163 1990 3 0.905 -0.218 0.163 1990 4 0.879 -0.221 0.162 1990 5 0.815 -0.222 0.161 1990 6 0.747 -0.156 0.104 1990 7 0.598 -0.155 0.106 1990 8 0.496 -0.220 0.143 1990 9 0.515 -0.218 0.144 1990 10 0.696 -0.218 0.142 1990 11 0.911 -0.217 0.146 1990 12 0.925 -0.219 0.146 1991 1 0.916 -0.217 0.137 1991 2 0.917 -0.217 0.137 1991 3 0.925 -0.216 0.137 1991 4 0.899 -0.219 0.135 1991 5 0.884 -0.217 0.137 1991 6 0.790 -0.152 0.087 1991 7 0.590 -0.155 0.085 1991 8 0.523 -0.218 0.117 1991 9 0.415 -0.224 0.111 1991 10 0.725 -0.216 0.116 1991 11 0.888 -0.218 0.117 1991 12 0.877 -0.221 0.115 1992 1 0.919 -0.217 0.109 1992 2 0.935 -0.216 0.110 1992 3 0.909 -0.217 0.107 1992 4 0.918 -0.217 0.109 1992 5 0.878 -0.218 0.108 1992 6 0.818 -0.150 0.070 1992 7 0.599 -0.155 0.066 1992 8 0.508 -0.219 0.088 1992 9 0.517 -0.218 0.088 1992 10 0.810 -0.211 0.093 1992 11 0.906 -0.217 0.090 1992 12 0.918 -0.219 0.089 1993 1 0.918 -0.217 0.081 1993 2 0.896 -0.219 0.079 1993 3 0.903 -0.218 0.078 1993 4 0.902 -0.219 0.079 1993 5 0.868 -0.219 0.079 1993 6 0.717 -0.158 0.042 1993 7 0.585 -0.156 0.044 1993 8 0.499 -0.220 0.060 1993 9 0.550 -0.216 0.062 1993 10 0.748 -0.214 0.062 1993 11 0.860 -0.220 0.059 1993 12 0.869 -0.222 0.058 1994 1 0.917 -0.217 0.052 1994 2 0.937 -0.216 0.053 1994 3 0.918 -0.216 0.052 1994 4 0.926 -0.217 0.053 1994 5 0.901 -0.216 0.053 1994 6 0.784 -0.153 0.027 1994 7 0.591 -0.155 0.025 1994 8 0.477 -0.221 0.030 1994 9 0.480 -0.220 0.031 1994 10 0.640 -0.221 0.028 1994 11 0.902 -0.218 0.034 1994 12 0.903 -0.220 0.032 1995 1 0.931 -0.216 0.025 1995 2 0.906 -0.218 0.023 1995 3 0.916 -0.217 0.023 1995 4 0.858 -0.223 0.018 1995 5 0.848 -0.220 0.021 1995 6 0.685 -0.161 -0.001 1995 7 0.458 -0.166 -0.005 1995 8 0.350 -0.228 -0.005 1995 9 0.381 -0.226 -0.003 1995 10 0.582 -0.224 -0.003 1995 11 0.868 -0.219 0.004 1995 12 0.897 -0.220 0.004 1996 1 0.897 -0.218 -0.006 1996 2 0.911 -0.218 -0.005 1996 3 0.898 -0.218 -0.007 1996 4 0.907 -0.219 -0.006 1996 5 0.910 -0.216 -0.003 1996 6 0.841 -0.148 -0.008 1996 7 0.720 -0.145 -0.005 1996 8 0.629 -0.212 -0.017 1996 9 0.652 -0.211 -0.015 1996 10 0.794 -0.212 -0.018 1996 11 0.824 -0.222 -0.027 1996 12 0.894 -0.220 -0.024 1997 1 0.913 -0.217 -0.033 1997 2 0.924 -0.217 -0.032 1997 3 0.897 -0.219 -0.035 1997 4 0.909 -0.218 -0.034 1997 5 0.826 -0.221 -0.037 1997 6 0.712 -0.158 -0.038 1997 7 0.553 -0.158 -0.038 1997 8 0.450 -0.222 -0.055 1997 9 0.465 -0.221 -0.054 1997 10 0.597 -0.224 -0.058 1997 11 0.881 -0.219 -0.051 1997 12 0.916 -0.219 -0.051 1998 1 0.915 -0.217 -0.061 1998 2 0.945 -0.215 -0.059 1998 3 0.932 -0.215 -0.060 1998 4 0.938 -0.216 -0.060 1998 5 0.897 -0.217 -0.061 1998 6 0.789 -0.152 -0.053 1998 7 0.607 -0.154 -0.054 1998 8 0.512 -0.219 -0.079 1998 9 0.494 -0.219 -0.080 1998 10 0.792 -0.212 -0.074 1998 11 0.909 -0.217 -0.078 1998 12 0.910 -0.220 -0.079 1999 1 0.928 -0.217 -0.089 1999 2 0.924 -0.217 -0.089 1999 3 0.936 -0.215 -0.088 1999 4 0.932 -0.216 -0.089 1999 5 0.901 -0.216 -0.089 1999 6 0.755 -0.155 -0.075 1999 7 0.600 -0.155 -0.074 1999 8 0.423 -0.224 -0.112 1999 9 0.405 -0.224 -0.113 1999 10 0.702 -0.217 -0.107 1999 11 0.867 -0.219 -0.108 1999 12 0.886 -0.221 -0.109 2000 1 0.898 -0.218 -0.119 2000 2 0.898 -0.219 -0.119 2000 3 0.894 -0.219 -0.120 2000 4 0.909 -0.218 -0.119 2000 5 0.843 -0.220 -0.121 2000 6 0.718 -0.158 -0.098 2000 7 0.542 -0.159 -0.099 2000 8 0.454 -0.222 -0.139 2000 9 0.459 -0.221 -0.138 2000 10 0.672 -0.219 -0.136 2000 11 0.832 -0.221 -0.138 2000 12 0.900 -0.220 -0.136 2001 1 0.892 -0.219 -0.148 2001 2 0.882 -0.220 -0.149 2001 3 0.908 -0.217 -0.147 2001 4 0.929 -0.216 -0.145 2001 5 0.874 -0.218 -0.147 2001 6 0.769 -0.154 -0.114 2001 7 0.580 -0.156 -0.116 2001 8 0.479 -0.221 -0.165 2001 9 0.522 -0.218 -0.162 2001 10 0.641 -0.221 -0.166 2001 11 0.827 -0.222 -0.166 2001 12 0.837 -0.224 -0.168 2002 1 0.894 -0.219 -0.176 2002 2 0.912 -0.218 -0.175 2002 3 0.922 -0.216 -0.174 2002 4 0.904 -0.219 -0.176 2002 5 0.888 -0.217 -0.175 2002 6 0.754 -0.155 -0.135 2002 7 0.617 -0.153 -0.133 2002 8 0.424 -0.224 -0.196 2002 9 0.504 -0.219 -0.191 2002 10 0.714 -0.216 -0.189 2002 11 0.881 -0.219 -0.191 2002 12 0.905 -0.220 -0.192 2003 1 0.919 -0.217 -0.203 2003 2 0.921 -0.217 -0.203 2003 3 0.917 -0.217 -0.202 2003 4 0.908 -0.219 -0.204 2003 5 0.853 -0.219 -0.205 2003 6 0.742 -0.156 -0.156 2003 7 0.589 -0.155 -0.155 2003 8 0.542 -0.217 -0.217 2003 9 0.583 -0.214 -0.214 2003 10 0.689 -0.218 -0.218 2003 11 0.876 -0.219 -0.219 2003 12 0.895 -0.220 -0.220 2004 1 0.938 -0.216 -0.230 2004 2 0.921 -0.217 -0.231 2004 3 0.912 -0.217 -0.231 2004 4 0.918 -0.217 -0.232 2004 5 0.878 -0.218 -0.232 2004 6 0.777 -0.153 -0.173 2004 7 0.612 -0.154 -0.174 2004 8 0.520 -0.219 -0.246 2004 9 0.538 -0.217 -0.245 2004 10 0.723 -0.216 -0.244 2004 11 0.870 -0.219 -0.247 2004 12 0.873 -0.222 -0.250 2005 1 0.879 -0.220 -0.262 2005 2 0.835 -0.223 -0.266 2005 3 0.912 -0.217 -0.259 2005 4 0.898 -0.219 -0.262 2005 5 0.850 -0.220 -0.262 2005 6 0.750 -0.155 -0.195 2005 7 0.600 -0.155 -0.195 2005 8 0.464 -0.222 -0.278 2005 9 0.382 -0.226 -0.281 2005 10 0.620 -0.222 -0.277 2005 11 0.824 -0.222 -0.278 2005 12 0.821 -0.225 -0.281 2006 1 0.805 -0.224 -0.295 2006 2 0.852 -0.222 -0.293 2006 3 0.867 -0.221 -0.292 2006 4 0.884 -0.221 -0.292 2006 5 0.818 -0.222 -0.293 2006 6 0.751 -0.155 -0.215 2006 7 0.598 -0.155 -0.215 2006 8 0.486 -0.220 -0.304 2006 9 0.593 -0.214 -0.297 2006 10 0.763 -0.214 -0.296 2006 11 0.878 -0.219 -0.303 2006 12 0.894 -0.220 -0.305 2007 1 0.889 -0.219 -0.318 2007 2 0.914 -0.217 -0.317 2007 3 0.895 -0.219 -0.318 2007 4 0.869 -0.222 -0.321 2007 5 0.874 -0.218 -0.317 2007 6 0.806 -0.151 -0.231 2007 7 0.683 -0.148 -0.228 2007 8 0.587 -0.215 -0.326 2007 9 0.485 -0.220 -0.331 2007 10 0.618 -0.222 -0.333 2007 11 0.848 -0.221 -0.332 2007 12 0.896 -0.220 -0.332 2008 1 0.874 -0.220 -0.348 2008 2 0.897 -0.219 -0.346 2008 3 0.914 -0.217 -0.344 2008 4 0.897 -0.219 -0.347 2008 5 0.882 -0.218 -0.345 2008 6 0.808 -0.151 -0.251 2008 7 0.761 -0.142 -0.242 2008 8 0.600 -0.214 -0.354 2008 9 0.523 -0.218 -0.357 2008 10 0.679 -0.219 -0.357 2008 11 0.843 -0.221 -0.360 2008 12 0.902 -0.220 -0.360 2009 1 0.888 -0.219 -0.375 2009 2 0.919 -0.217 -0.373 2009 3 0.928 -0.216 -0.371 2009 4 0.913 -0.218 -0.374 2009 5 0.878 -0.218 -0.374 2009 6 0.814 -0.151 -0.270 2009 7 0.644 -0.151 -0.271 2009 8 0.486 -0.221 -0.388 2009 9 0.487 -0.220 -0.387 2009 10 0.551 -0.226 -0.392 2009 11 0.808 -0.223 -0.390 2009 12 0.897 -0.220 -0.388 2010 1 0.920 -0.217 -0.401 2010 2 0.918 -0.217 -0.401 2010 3 0.933 -0.215 -0.399 2010 4 0.937 -0.216 -0.400 2010 5 0.848 -0.220 -0.404 2010 6 0.775 -0.154 -0.293 2010 7 0.622 -0.153 -0.293 2010 8 0.485 -0.221 -0.416 2010 9 0.445 -0.222 -0.417 2010 10 0.643 -0.221 -0.414 2010 11 0.878 -0.219 -0.414 2010 12 0.932 -0.218 -0.415 2011 1 0.937 -0.216 -0.429 2011 2 0.942 -0.215 -0.428 2011 3 0.916 -0.217 -0.428 2011 4 0.923 -0.217 -0.430 2011 5 0.868 -0.219 -0.431 2011 6 0.731 -0.157 -0.317 2011 7 0.577 -0.156 -0.317 2011 8 0.442 -0.223 -0.446 2011 9 0.370 -0.226 -0.449 2011 10 0.517 -0.228 -0.450 2011 11 0.787 -0.224 -0.447 2011 12 0.833 -0.224 -0.448 2012 1 0.882 -0.219 -0.461 2012 2 0.838 -0.223 -0.464 2012 3 0.879 -0.220 -0.460 2012 4 0.898 -0.219 -0.461 2012 5 0.864 -0.219 -0.460 2012 6 0.715 -0.158 -0.338 2012 7 0.498 -0.163 -0.343 2012 8 0.357 -0.228 -0.479 2012 9 0.300 -0.230 -0.481 2012 10 0.546 -0.227 -0.475 2012 11 0.739 -0.227 -0.478 2012 12 0.791 -0.226 -0.478 2013 1 0.847 -0.222 -0.491 2013 2 0.894 -0.219 -0.488 2013 3 0.924 -0.216 -0.484 2013 4 0.893 -0.220 -0.489 2013 5 0.804 -0.223 -0.492 2013 6 0.749 -0.156 -0.355 2013 7 0.573 -0.157 -0.357 2013 8 0.444 -0.223 -0.502 2013 9 0.359 -0.227 -0.506 2013 10 0.616 -0.222 -0.499 2013 11 0.803 -0.223 -0.502 2013 12 0.890 -0.221 -0.501 2014 1 0.911 -0.218 -0.515 2014 2 0.871 -0.220 -0.518 2014 3 0.861 -0.222 -0.518 2014 4 0.882 -0.221 -0.519 2014 5 0.852 -0.220 -0.517 2014 6 0.714 -0.158 -0.378 2014 7 0.553 -0.158 -0.379 2014 8 0.413 -0.225 -0.532 2014 9 0.362 -0.227 -0.533 2014 10 0.553 -0.226 -0.530 2014 11 0.862 -0.220 -0.527 2014 12 0.890 -0.221 -0.529 2015 1 0.910 -0.218 -0.544 2015 2 0.916 -0.217 -0.543 2015 3 0.892 -0.219 -0.544 2015 4 0.877 -0.221 -0.548 2015 5 0.875 -0.218 -0.544 2015 6 0.740 -0.156 -0.396 2015 7 0.577 -0.156 -0.397 2015 8 0.417 -0.224 -0.559 2015 9 0.366 -0.227 -0.561 2015 10 0.609 -0.223 -0.555 2015 11 0.772 -0.225 -0.560 2015 12 0.840 -0.223 -0.560 2016 1 0.839 -0.222 -0.577 2016 2 0.848 -0.222 -0.576 2016 3 0.856 -0.222 -0.575 2016 4 0.877 -0.221 -0.576 2016 5 0.835 -0.221 -0.575 2016 6 0.722 -0.158 -0.418 2016 7 0.589 -0.155 -0.416 2016 8 0.483 -0.221 -0.584 2016 9 0.407 -0.224 -0.587 2016 10 0.523 -0.228 -0.587 2016 11 0.699 -0.229 -0.592 2016 12 0.782 -0.227 -0.591 2017 1 0.815 -0.224 -0.606 2017 2 0.847 -0.222 -0.605 2017 3 0.901 -0.218 -0.599 2017 4 0.913 -0.218 -0.601 2017 5 0.899 -0.216 -0.599 2017 6 0.715 -0.158 -0.438 2017 7 0.591 -0.155 -0.436 2017 8 0.493 -0.220 -0.611 2017 9 0.497 -0.219 -0.609 2017 10 0.637 -0.221 -0.608 2017 11 0.818 -0.222 -0.613 2017 12 0.890 -0.221 -0.613 2018 1 0.895 -0.219 -0.630 2018 2 0.896 -0.219 -0.629 2018 3 0.909 -0.217 -0.627 2018 4 0.930 -0.216 -0.628 2018 5 0.881 -0.218 -0.629 2018 6 0.727 -0.157 -0.457 2018 7 0.566 -0.157 -0.458 2018 8 0.420 -0.224 -0.643 2018 9 0.400 -0.225 -0.643 2018 10 0.450 -0.232 -0.647 2018 11 0.827 -0.222 -0.640 2018 12 0.880 -0.221 -0.642 2019 1 0.923 -0.217 -0.657 2019 2 0.926 -0.216 -0.656 2019 3 0.935 -0.215 -0.652 2019 4 0.921 -0.217 -0.657 2019 5 0.890 -0.217 -0.657 2019 6 0.762 -0.155 -0.474 2019 7 0.557 -0.158 -0.478 2019 8 0.464 -0.222 -0.669 2019 9 0.480 -0.220 -0.666 2019 10 0.548 -0.226 -0.669 2019 11 0.857 -0.220 -0.667 2019 12 0.920 -0.219 -0.667 2020 1 0.932 -0.216 -0.684 2020 2 0.920 -0.217 -0.684 2020 3 0.927 -0.216 -0.682 2020 4 0.926 -0.217 -0.685 2020 5 0.847 -0.220 -0.688 2020 6 0.736 -0.157 -0.496 2020 7 0.494 -0.163 -0.503 2020 8 0.424 -0.224 -0.699 2020 9 0.286 -0.231 -0.705 2020 10 0.398 -0.236 -0.706 2020 11 0.744 -0.226 -0.701 2020 12 0.862 -0.222 -0.699 2021 1 0.882 -0.219 -0.716 2021 2 0.930 -0.216 -0.712 2021 3 0.923 -0.216 -0.710 2021 4 0.895 -0.220 -0.716 2021 5 0.867 -0.219 -0.715 2021 6 0.727 -0.157 -0.517 2021 7 0.583 -0.156 -0.516 2021 8 0.434 -0.223 -0.726 2021 9 0.435 -0.223 -0.724 2021 10 0.653 -0.220 -0.718 2021 11 0.876 -0.219 -0.721 2021 12 0.936 -0.218 -0.723 2022 1 0.928 -0.217 -0.741 2022 2 0.900 -0.218 -0.742 2022 3 0.904 -0.218 -0.740 2022 4 0.933 -0.216 -0.741 2022 5 0.884 -0.217 -0.742 2022 6 0.754 -0.155 -0.535 2022 7 0.645 -0.151 -0.532 2022 8 0.574 -0.216 -0.746 2022 9 0.593 -0.214 -0.743 2022 10 0.650 -0.220 -0.746 2022 11 0.886 -0.218 -0.749 2022 12 0.899 -0.220 -0.753 2023 1 0.909 -0.218 -0.771 2023 2 0.909 -0.218 -0.770 2023 3 0.905 -0.218 -0.768 2023 4 0.941 -0.215 -0.769 2023 5 0.910 -0.216 -0.769 2023 6 0.794 -0.152 -0.552 2023 7 0.688 -0.148 -0.548 2023 8 89.448 4.782 4.223 2023 9 89.941 4.773 4.216 2023 10 85.861 4.923 4.370 2023 11 88.864 4.773 4.215 2023 12 86.811 4.601 4.040 2024 1 79.862 4.669 4.087 2024 2 69.398 4.783 4.202 2024 3 55.512 4.978 4.399 2024 4 52.160 4.681 4.099 2024 5 75.028 4.670 4.089 2024 6 86.085 6.481 6.061 2024 7 85.588 6.481 6.060 2024 8 80.146 4.259 3.672 2024 9 80.895 4.268 3.683 2024 10 72.157 4.096 3.515 2024 11 79.972 4.269 3.683 2024 12 84.181 4.453 3.865 2025 1 77.055 4.495 3.885 2025 2 63.787 4.373 3.764 2025 3 46.823 4.151 3.544 2025 4 50.079 4.482 3.872 2025 5 72.343 4.493 3.883 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