** 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 -0.152 0.288 1982 2 0.938 -0.151 0.290 1982 3 0.935 -0.151 0.290 1982 4 0.948 1.752 1.490 1982 5 0.918 1.605 1.161 1982 6 0.831 1.535 0.825 1982 7 0.689 1.449 1.134 1982 8 0.543 -0.152 0.272 1982 9 0.496 -0.155 0.268 1982 10 0.741 -0.150 0.269 1982 11 0.905 -0.152 0.271 1982 12 0.913 -0.154 0.271 1983 1 0.899 -0.155 0.265 1983 2 0.902 -0.155 0.265 1983 3 0.895 -0.156 0.264 1983 4 0.912 0.032 -0.217 1983 5 0.900 0.959 0.537 1983 6 0.799 0.791 0.115 1983 7 0.636 0.539 0.239 1983 8 0.461 -0.158 0.245 1983 9 0.480 -0.156 0.246 1983 10 0.719 -0.151 0.247 1983 11 0.867 -0.155 0.248 1983 12 0.919 -0.154 0.251 1984 1 0.917 -0.153 0.246 1984 2 0.887 -0.156 0.243 1984 3 0.909 -0.154 0.245 1984 4 0.927 0.746 0.510 1984 5 0.913 1.435 1.035 1984 6 0.840 1.748 1.106 1984 7 0.627 0.390 0.105 1984 8 0.530 -0.153 0.230 1984 9 0.479 -0.156 0.225 1984 10 0.696 -0.153 0.225 1984 11 0.833 -0.157 0.225 1984 12 0.878 -0.157 0.227 1985 1 0.892 -0.155 0.223 1985 2 0.911 -0.154 0.224 1985 3 0.891 -0.156 0.222 1985 4 0.924 0.617 0.394 1985 5 0.898 0.894 0.516 1985 6 0.727 -0.902 -1.509 1985 7 0.552 -0.875 -1.144 1985 8 0.466 -0.158 0.204 1985 9 0.463 -0.157 0.204 1985 10 0.610 -0.160 0.198 1985 11 0.825 -0.158 0.204 1985 12 0.890 -0.156 0.207 1986 1 0.933 -0.152 0.205 1986 2 0.899 -0.155 0.202 1986 3 0.900 -0.155 0.202 1986 4 0.915 0.185 -0.026 1986 5 0.903 1.064 0.707 1986 6 0.838 1.702 1.130 1986 7 0.686 1.392 1.138 1986 8 0.572 -0.150 0.192 1986 9 0.610 -0.146 0.194 1986 10 0.741 -0.150 0.188 1986 11 0.862 -0.155 0.186 1986 12 0.917 -0.154 0.188 1987 1 0.890 -0.155 0.180 1987 2 0.929 -0.152 0.184 1987 3 0.919 -0.153 0.183 1987 4 0.936 1.158 0.960 1987 5 0.895 0.771 0.436 1987 6 0.838 1.701 1.164 1987 7 0.645 0.699 0.460 1987 8 0.475 -0.157 0.164 1987 9 0.546 -0.151 0.169 1987 10 0.743 -0.149 0.167 1987 11 0.891 -0.153 0.167 1987 12 0.858 -0.158 0.163 1988 1 0.928 -0.152 0.163 1988 2 0.930 -0.152 0.163 1988 3 0.938 -0.151 0.164 1988 4 0.944 1.534 1.349 1988 5 0.865 -0.304 -0.618 1988 6 0.749 -0.387 -0.889 1988 7 0.584 -0.331 -0.554 1988 8 0.486 -0.156 0.144 1988 9 0.554 -0.150 0.149 1988 10 0.769 -0.147 0.149 1988 11 0.912 -0.152 0.148 1988 12 0.917 -0.154 0.147 1989 1 0.918 -0.153 0.141 1989 2 0.932 -0.152 0.142 1989 3 0.923 -0.153 0.142 1989 4 0.916 0.215 0.042 1989 5 0.890 0.603 0.312 1989 6 0.835 1.648 1.180 1989 7 0.699 1.612 1.404 1989 8 0.615 -0.147 0.133 1989 9 0.533 -0.152 0.126 1989 10 0.757 -0.148 0.127 1989 11 0.861 -0.155 0.124 1989 12 0.901 -0.155 0.125 1990 1 0.911 -0.153 0.119 1990 2 0.886 -0.156 0.117 1990 3 0.905 -0.155 0.118 1990 4 0.879 -1.499 -1.659 1990 5 0.815 -2.082 -2.352 1990 6 0.747 -0.442 -0.875 1990 7 0.598 -0.105 -0.297 1990 8 0.496 -0.155 0.103 1990 9 0.515 -0.153 0.104 1990 10 0.696 -0.153 0.102 1990 11 0.911 -0.152 0.107 1990 12 0.925 -0.153 0.106 1991 1 0.916 -0.153 0.099 1991 2 0.917 -0.153 0.099 1991 3 0.925 -0.152 0.100 1991 4 0.899 -0.567 -0.714 1991 5 0.884 0.382 0.133 1991 6 0.790 0.587 0.188 1991 7 0.590 -0.240 -0.417 1991 8 0.523 -0.153 0.085 1991 9 0.415 -0.160 0.076 1991 10 0.725 -0.151 0.084 1991 11 0.888 -0.153 0.084 1991 12 0.877 -0.157 0.082 1992 1 0.919 -0.153 0.078 1992 2 0.935 -0.151 0.079 1992 3 0.909 -0.154 0.077 1992 4 0.918 0.345 0.210 1992 5 0.878 0.170 -0.057 1992 6 0.818 1.238 0.874 1992 7 0.599 -0.073 -0.234 1992 8 0.508 -0.155 0.063 1992 9 0.517 -0.153 0.063 1992 10 0.810 -0.144 0.070 1992 11 0.906 -0.152 0.065 1992 12 0.918 -0.154 0.064 1993 1 0.918 -0.153 0.057 1993 2 0.896 -0.155 0.055 1993 3 0.903 -0.155 0.055 1993 4 0.902 -0.431 -0.552 1993 5 0.868 -0.179 -0.384 1993 6 0.717 -1.127 -1.457 1993 7 0.585 -0.325 -0.471 1993 8 0.499 -0.155 0.041 1993 9 0.550 -0.151 0.045 1993 10 0.748 -0.149 0.045 1993 11 0.860 -0.155 0.041 1993 12 0.869 -0.158 0.039 1994 1 0.917 -0.153 0.036 1994 2 0.937 -0.151 0.038 1994 3 0.918 -0.153 0.036 1994 4 0.926 0.721 0.612 1994 5 0.901 0.999 0.816 1994 6 0.784 0.447 0.152 1994 7 0.591 -0.218 -0.349 1994 8 0.477 -0.157 0.019 1994 9 0.480 -0.156 0.019 1994 10 0.640 -0.157 0.016 1994 11 0.902 -0.152 0.023 1994 12 0.903 -0.155 0.021 1995 1 0.931 -0.152 0.016 1995 2 0.906 -0.154 0.014 1995 3 0.916 -0.153 0.015 1995 4 0.858 -2.503 -2.599 1995 5 0.848 -0.910 -1.073 1995 6 0.685 -1.880 -2.140 1995 7 0.458 -2.464 -2.579 1995 8 0.350 -0.166 -0.011 1995 9 0.381 -0.163 -0.008 1995 10 0.582 -0.162 -0.009 1995 11 0.868 -0.155 0.000 1995 12 0.897 -0.155 0.000 1996 1 0.897 -0.155 -0.008 1996 2 0.911 -0.154 -0.007 1996 3 0.898 -0.156 -0.009 1996 4 0.907 -0.189 -0.272 1996 5 0.910 1.336 1.196 1996 6 0.841 1.783 1.557 1996 7 0.720 1.960 1.860 1996 8 0.629 -0.146 -0.011 1996 9 0.652 -0.143 -0.009 1996 10 0.794 -0.145 -0.013 1996 11 0.824 -0.158 -0.024 1996 12 0.894 -0.156 -0.021 1997 1 0.913 -0.153 -0.027 1997 2 0.924 -0.152 -0.026 1997 3 0.897 -0.156 -0.030 1997 4 0.909 -0.095 -0.165 1997 5 0.826 -1.681 -1.799 1997 6 0.712 -1.246 -1.437 1997 7 0.553 -0.860 -0.945 1997 8 0.450 -0.159 -0.045 1997 9 0.465 -0.157 -0.043 1997 10 0.597 -0.161 -0.048 1997 11 0.881 -0.154 -0.040 1997 12 0.916 -0.154 -0.040 1998 1 0.915 -0.153 -0.048 1998 2 0.945 -0.150 -0.046 1998 3 0.932 -0.151 -0.046 1998 4 0.938 1.249 1.192 1998 5 0.897 0.868 0.770 1998 6 0.789 0.548 0.392 1998 7 0.607 0.050 -0.019 1998 8 0.512 -0.154 -0.061 1998 9 0.494 -0.155 -0.062 1998 10 0.792 -0.146 -0.054 1998 11 0.909 -0.152 -0.059 1998 12 0.910 -0.154 -0.061 1999 1 0.928 -0.152 -0.068 1999 2 0.924 -0.152 -0.069 1999 3 0.936 -0.151 -0.067 1999 4 0.932 0.963 0.918 1999 5 0.901 1.005 0.929 1999 6 0.755 -0.242 -0.364 1999 7 0.600 -0.056 -0.110 1999 8 0.423 -0.161 -0.088 1999 9 0.405 -0.161 -0.089 1999 10 0.702 -0.153 -0.081 1999 11 0.867 -0.155 -0.083 1999 12 0.886 -0.156 -0.084 2000 1 0.898 -0.155 -0.092 2000 2 0.898 -0.155 -0.092 2000 3 0.894 -0.156 -0.093 2000 4 0.909 -0.093 -0.124 2000 5 0.843 -1.092 -1.146 2000 6 0.718 -1.117 -1.204 2000 7 0.542 -1.050 -1.088 2000 8 0.454 -0.159 -0.107 2000 9 0.459 -0.157 -0.106 2000 10 0.672 -0.155 -0.104 2000 11 0.832 -0.157 -0.106 2000 12 0.900 -0.155 -0.103 2001 1 0.892 -0.155 -0.113 2001 2 0.882 -0.157 -0.115 2001 3 0.908 -0.154 -0.112 2001 4 0.929 0.852 0.833 2001 5 0.874 0.046 0.014 2001 6 0.769 0.081 0.029 2001 7 0.580 -0.395 -0.418 2001 8 0.479 -0.157 -0.126 2001 9 0.522 -0.153 -0.122 2001 10 0.641 -0.157 -0.127 2001 11 0.827 -0.158 -0.127 2001 12 0.837 -0.160 -0.129 2002 1 0.894 -0.155 -0.134 2002 2 0.912 -0.154 -0.133 2002 3 0.922 -0.153 -0.132 2002 4 0.904 -0.350 -0.356 2002 5 0.888 0.547 0.536 2002 6 0.754 -0.270 -0.288 2002 7 0.617 0.226 0.218 2002 8 0.424 -0.161 -0.150 2002 9 0.504 -0.154 -0.144 2002 10 0.714 -0.152 -0.141 2002 11 0.881 -0.154 -0.143 2002 12 0.905 -0.155 -0.144 2003 1 0.919 -0.153 -0.153 2003 2 0.921 -0.153 -0.153 2003 3 0.917 -0.153 -0.153 2003 4 0.908 -0.162 -0.156 2003 5 0.853 -0.707 -0.696 2003 6 0.742 -0.541 -0.524 2003 7 0.589 -0.258 -0.250 2003 8 0.542 -0.152 -0.162 2003 9 0.583 -0.148 -0.158 2003 10 0.689 -0.154 -0.164 2003 11 0.876 -0.154 -0.164 2003 12 0.895 -0.156 -0.166 2004 1 0.938 -0.151 -0.172 2004 2 0.921 -0.153 -0.174 2004 3 0.912 -0.154 -0.175 2004 4 0.918 0.343 0.363 2004 5 0.878 0.189 0.222 2004 6 0.777 0.283 0.335 2004 7 0.612 0.135 0.158 2004 8 0.520 -0.154 -0.185 2004 9 0.538 -0.151 -0.182 2004 10 0.723 -0.151 -0.182 2004 11 0.870 -0.155 -0.186 2004 12 0.873 -0.157 -0.188 2005 1 0.879 -0.156 -0.198 2005 2 0.835 -0.161 -0.203 2005 3 0.912 -0.154 -0.196 2005 4 0.898 -0.624 -0.592 2005 5 0.850 -0.842 -0.788 2005 6 0.750 -0.362 -0.275 2005 7 0.600 -0.060 -0.022 2005 8 0.464 -0.158 -0.209 2005 9 0.382 -0.163 -0.214 2005 10 0.620 -0.159 -0.210 2005 11 0.824 -0.158 -0.210 2005 12 0.821 -0.161 -0.213 2006 1 0.805 -0.162 -0.225 2006 2 0.852 -0.159 -0.222 2006 3 0.867 -0.159 -0.222 2006 4 0.884 -1.254 -1.209 2006 5 0.818 -1.978 -1.903 2006 6 0.751 -0.331 -0.210 2006 7 0.598 -0.102 -0.048 2006 8 0.486 -0.156 -0.229 2006 9 0.593 -0.147 -0.220 2006 10 0.763 -0.148 -0.219 2006 11 0.878 -0.154 -0.226 2006 12 0.894 -0.156 -0.228 2007 1 0.889 -0.155 -0.239 2007 2 0.914 -0.153 -0.237 2007 3 0.895 -0.156 -0.240 2007 4 0.869 -1.954 -1.897 2007 5 0.874 0.031 0.128 2007 6 0.806 0.964 1.120 2007 7 0.683 1.339 1.409 2007 8 0.587 -0.149 -0.242 2007 9 0.485 -0.155 -0.248 2007 10 0.618 -0.159 -0.251 2007 11 0.848 -0.156 -0.249 2007 12 0.896 -0.155 -0.249 2008 1 0.874 -0.157 -0.262 2008 2 0.897 -0.155 -0.260 2008 3 0.914 -0.154 -0.259 2008 4 0.897 -0.639 -0.568 2008 5 0.882 0.328 0.447 2008 6 0.808 0.992 1.183 2008 7 0.761 2.658 2.743 2008 8 0.600 -0.148 -0.262 2008 9 0.523 -0.153 -0.266 2008 10 0.679 -0.154 -0.267 2008 11 0.843 -0.157 -0.270 2008 12 0.902 -0.155 -0.269 2009 1 0.888 -0.155 -0.281 2009 2 0.919 -0.153 -0.279 2009 3 0.928 -0.152 -0.278 2009 4 0.913 0.111 0.194 2009 5 0.878 0.186 0.326 2009 6 0.814 1.139 1.364 2009 7 0.644 0.679 0.779 2009 8 0.486 -0.156 -0.291 2009 9 0.487 -0.155 -0.289 2009 10 0.551 -0.164 -0.297 2009 11 0.808 -0.159 -0.293 2009 12 0.897 -0.155 -0.290 2010 1 0.920 -0.153 -0.300 2010 2 0.918 -0.153 -0.300 2010 3 0.933 -0.151 -0.299 2010 4 0.937 1.193 1.289 2010 5 0.848 -0.915 -0.753 2010 6 0.775 0.218 0.478 2010 7 0.622 0.304 0.419 2010 8 0.485 -0.156 -0.311 2010 9 0.445 -0.158 -0.313 2010 10 0.643 -0.157 -0.310 2010 11 0.878 -0.154 -0.309 2010 12 0.932 -0.153 -0.308 2011 1 0.937 -0.151 -0.319 2011 2 0.942 -0.151 -0.319 2011 3 0.916 -0.153 -0.322 2011 4 0.923 0.539 0.648 2011 5 0.868 -0.187 -0.003 2011 6 0.731 -0.818 -0.523 2011 7 0.577 -0.454 -0.323 2011 8 0.442 -0.159 -0.335 2011 9 0.370 -0.164 -0.339 2011 10 0.517 -0.167 -0.341 2011 11 0.787 -0.161 -0.336 2011 12 0.833 -0.160 -0.337 2012 1 0.882 -0.156 -0.345 2012 2 0.838 -0.161 -0.350 2012 3 0.879 -0.158 -0.347 2012 4 0.898 -0.612 -0.490 2012 5 0.864 -0.334 -0.129 2012 6 0.715 -1.190 -0.861 2012 7 0.498 -1.794 -1.648 2012 8 0.357 -0.166 -0.362 2012 9 0.300 -0.169 -0.365 2012 10 0.546 -0.165 -0.359 2012 11 0.739 -0.164 -0.361 2012 12 0.791 -0.163 -0.360 2013 1 0.847 -0.159 -0.369 2013 2 0.894 -0.155 -0.365 2013 3 0.924 -0.152 -0.363 2013 4 0.893 -0.844 -0.710 2013 5 0.804 -2.499 -2.272 2013 6 0.749 -0.390 -0.026 2013 7 0.573 -0.519 -0.357 2013 8 0.444 -0.159 -0.376 2013 9 0.359 -0.165 -0.381 2013 10 0.616 -0.159 -0.374 2013 11 0.803 -0.160 -0.376 2013 12 0.890 -0.156 -0.374 2014 1 0.911 -0.154 -0.384 2014 2 0.871 -0.158 -0.388 2014 3 0.861 -0.160 -0.391 2014 4 0.882 -1.374 -1.228 2014 5 0.852 -0.765 -0.516 2014 6 0.714 -1.209 -0.811 2014 7 0.553 -0.860 -0.683 2014 8 0.413 -0.162 -0.399 2014 9 0.362 -0.164 -0.401 2014 10 0.553 -0.164 -0.399 2014 11 0.862 -0.155 -0.393 2014 12 0.890 -0.156 -0.394 2015 1 0.910 -0.154 -0.405 2015 2 0.916 -0.153 -0.405 2015 3 0.892 -0.156 -0.409 2015 4 0.877 -1.603 -1.444 2015 5 0.875 0.067 0.338 2015 6 0.740 -0.588 -0.155 2015 7 0.577 -0.445 -0.252 2015 8 0.417 -0.161 -0.420 2015 9 0.366 -0.164 -0.422 2015 10 0.609 -0.160 -0.415 2015 11 0.772 -0.162 -0.420 2015 12 0.840 -0.160 -0.419 2016 1 0.839 -0.160 -0.432 2016 2 0.848 -0.160 -0.433 2016 3 0.856 -0.161 -0.434 2016 4 0.877 -1.572 -1.399 2016 5 0.835 -1.385 -1.093 2016 6 0.722 -1.022 -0.553 2016 7 0.589 -0.244 -0.036 2016 8 0.483 -0.156 -0.436 2016 9 0.407 -0.161 -0.439 2016 10 0.523 -0.166 -0.442 2016 11 0.699 -0.167 -0.446 2016 12 0.782 -0.164 -0.444 2017 1 0.815 -0.162 -0.455 2017 2 0.847 -0.160 -0.454 2017 3 0.901 -0.155 -0.449 2017 4 0.913 0.070 0.255 2017 5 0.899 0.918 1.231 2017 6 0.715 -1.187 -0.684 2017 7 0.591 -0.211 0.012 2017 8 0.493 -0.156 -0.456 2017 9 0.497 -0.154 -0.453 2017 10 0.637 -0.158 -0.454 2017 11 0.818 -0.158 -0.458 2017 12 0.890 -0.156 -0.457 2018 1 0.895 -0.155 -0.470 2018 2 0.896 -0.155 -0.470 2018 3 0.909 -0.154 -0.470 2018 4 0.930 0.893 1.091 2018 5 0.881 0.279 0.614 2018 6 0.727 -0.894 -0.357 2018 7 0.566 -0.643 -0.405 2018 8 0.420 -0.161 -0.482 2018 9 0.400 -0.162 -0.481 2018 10 0.450 -0.172 -0.489 2018 11 0.827 -0.158 -0.478 2018 12 0.880 -0.157 -0.478 2019 1 0.923 -0.153 -0.488 2019 2 0.926 -0.152 -0.488 2019 3 0.935 -0.151 -0.487 2019 4 0.921 0.463 0.674 2019 5 0.890 0.608 0.964 2019 6 0.762 -0.069 0.503 2019 7 0.557 -0.783 -0.529 2019 8 0.464 -0.158 -0.499 2019 9 0.480 -0.156 -0.496 2019 10 0.548 -0.164 -0.502 2019 11 0.857 -0.156 -0.496 2019 12 0.920 -0.154 -0.496 2020 1 0.932 -0.152 -0.509 2020 2 0.920 -0.153 -0.510 2020 3 0.927 -0.152 -0.509 2020 4 0.926 0.701 0.925 2020 5 0.847 -0.953 -0.574 2020 6 0.736 -0.695 -0.088 2020 7 0.494 -1.850 -1.580 2020 8 0.424 -0.161 -0.523 2020 9 0.286 -0.170 -0.530 2020 10 0.398 -0.176 -0.534 2020 11 0.744 -0.164 -0.525 2020 12 0.862 -0.158 -0.521 2021 1 0.882 -0.156 -0.534 2021 2 0.930 -0.152 -0.530 2021 3 0.923 -0.153 -0.531 2021 4 0.895 -0.749 -0.513 2021 5 0.867 -0.214 0.186 2021 6 0.727 -0.901 -0.260 2021 7 0.583 -0.356 -0.071 2021 8 0.434 -0.160 -0.543 2021 9 0.435 -0.159 -0.540 2021 10 0.653 -0.156 -0.534 2021 11 0.876 -0.154 -0.536 2021 12 0.936 -0.152 -0.536 2022 1 0.928 -0.152 -0.551 2022 2 0.900 -0.155 -0.554 2022 3 0.904 -0.155 -0.554 2022 4 0.933 1.029 1.278 2022 5 0.884 0.396 0.818 2022 6 0.754 -0.270 0.406 2022 7 0.645 0.705 1.005 2022 8 0.574 -0.150 -0.553 2022 9 0.593 -0.147 -0.549 2022 10 0.650 -0.157 -0.555 2022 11 0.886 -0.153 -0.556 2022 12 0.899 -0.155 -0.560 2023 1 0.909 -0.154 -0.573 2023 2 0.909 -0.154 -0.574 2023 3 0.905 -0.155 -0.575 2023 4 0.941 1.401 1.663 2023 5 0.910 1.340 1.783 2023 6 0.794 0.675 1.386 2023 7 0.688 1.431 1.747 2023 8 89.448 6.403 5.979 2023 9 89.941 6.403 5.981 2023 10 85.861 6.403 5.984 2023 11 88.864 6.403 5.980 2023 12 86.811 6.403 5.978 2024 1 79.862 6.481 6.040 2024 2 69.398 6.481 6.040 2024 3 55.512 6.481 6.039 2024 4 -999.000 -999.000 -999.000 2024 5 -999.000 -999.000 -999.000 2024 6 -999.000 -999.000 -999.000 2024 7 -999.000 -999.000 -999.000 2024 8 -999.000 -999.000 -999.000 2024 9 -999.000 -999.000 -999.000 2024 10 -999.000 -999.000 -999.000 2024 11 -999.000 -999.000 -999.000 2024 12 -999.000 -999.000 -999.000