SVD_SVSAM_INDEX (NCEP1) ** undef = -9.99e+08 year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1948 -0.445 -2.366 -2.292 -0.001 0.835 -0.284 -1.519 0.489 1.090 1.165 -1.813 0.257 1949 -2.019 -5.063 -2.001 1.384 1.046 1.305 -0.507 3.158 2.083 2.108 -2.975 0.100 1950 -1.774 -1.782 -2.901 -0.552 0.393 0.526 -2.030 2.612 2.269 2.097 -2.752 1.035 1951 -0.135 -1.444 -1.070 -2.067 -1.376 -1.268 -1.477 1.156 0.972 1.673 -2.532 -0.776 1952 -1.860 -1.676 -1.700 -1.923 -1.223 -0.819 -0.926 0.664 0.921 1.240 -0.811 -0.998 1953 -1.659 -2.055 -1.700 -2.575 -1.274 -0.515 -2.050 2.209 1.594 1.005 -1.805 -0.542 1954 0.118 -0.794 -3.348 -0.997 -0.131 -0.027 -0.957 0.993 2.327 2.248 -2.858 0.559 1955 -0.181 -0.790 0.319 -0.120 -0.980 -0.390 0.400 1.230 1.331 1.193 -1.510 -0.386 1956 -1.245 -1.433 -0.448 -0.128 -0.584 1.606 -0.647 0.772 -0.272 0.104 -0.330 -1.077 1957 -0.579 -0.783 -0.460 -0.233 -0.268 -1.580 -0.523 1.445 1.443 -0.203 1.478 -1.400 1958 0.131 -0.820 -1.118 -1.254 -0.535 0.641 -0.976 0.832 1.876 0.764 -0.217 1.053 1959 1.102 -0.697 0.021 -1.542 -1.366 -0.905 -1.222 0.929 1.914 0.970 -2.317 0.898 1960 0.288 -0.581 1.972 -1.014 -1.088 0.318 0.192 0.312 1.042 1.402 -1.015 0.312 1961 0.143 -1.373 -0.686 -0.564 -0.287 -0.845 -0.734 2.248 0.697 1.330 -1.358 1.624 1962 1.669 -0.294 -0.477 1.485 0.342 -0.621 0.732 0.852 1.203 -0.237 0.541 0.166 1963 0.832 0.366 -0.242 -0.627 0.127 -0.194 -0.743 -0.527 0.973 1.585 -0.658 -0.057 1964 -1.292 -1.114 -1.190 0.255 -0.052 -1.468 -2.659 -0.468 1.097 -0.645 1.386 -0.921 1965 -0.449 -3.444 -1.567 -1.112 -1.655 0.536 -1.013 0.836 0.852 0.378 -0.375 -0.896 1966 0.280 -1.410 -3.790 -1.547 -1.417 0.675 -0.217 2.328 1.227 1.670 -0.661 -0.523 1967 -1.583 -1.130 -0.538 -0.086 -0.273 -0.477 -0.454 1.051 0.412 -0.370 0.658 -0.562 1968 -0.115 -1.077 -0.947 -0.379 -1.579 0.481 0.590 1.784 0.349 -0.485 1.455 -0.615 1969 -1.560 -1.011 -0.268 -0.735 -0.425 -0.210 0.118 0.933 1.137 1.123 -1.300 0.326 1970 0.652 0.423 -0.826 -0.570 0.170 0.331 -0.478 1.257 0.593 -0.040 -0.520 -0.245 1971 -0.729 -0.123 0.555 -0.466 -1.512 0.052 -0.605 0.846 0.703 -0.279 0.095 -0.526 1972 -1.168 -1.142 -1.179 -1.684 -0.303 -0.903 -0.632 -2.183 0.112 -0.128 -0.218 -0.146 1973 -0.760 0.540 1.757 0.221 -1.254 -0.211 0.051 1.793 0.613 1.057 -1.008 0.596 1974 -0.370 1.188 1.011 0.922 0.386 -0.408 0.167 -0.311 1.110 0.211 0.818 -1.369 1975 -1.081 -0.506 -0.520 0.400 -0.837 -0.456 -1.285 0.454 0.206 0.370 -0.299 -0.719 1976 -1.446 -0.559 -0.419 1.047 0.465 0.321 0.011 1.395 1.334 -0.096 1.227 -2.264 1977 -1.875 -0.564 -0.293 -0.751 -0.848 -1.034 -0.735 -0.794 0.739 -0.265 1.437 -0.949 1978 0.106 -0.207 -0.994 -1.105 -1.093 0.029 -1.815 0.540 0.400 -0.727 1.282 -0.109 1979 -0.275 0.138 0.493 -0.015 0.410 2.403 2.220 0.718 0.433 -0.700 0.745 -1.451 1980 -0.875 -1.402 -1.934 -3.166 -0.872 0.110 -1.892 -0.413 -0.749 0.404 0.580 -0.911 1981 -0.047 0.146 -2.075 -2.042 -0.442 0.457 -1.186 -0.780 -0.579 0.280 -0.131 0.032 1982 -0.689 0.109 2.430 2.071 0.092 1.222 -0.228 1.657 1.465 -0.629 0.610 -1.420 1983 -1.499 -1.172 0.622 -0.338 -0.432 0.187 1.128 1.220 -0.226 0.655 0.668 0.153 1984 -1.074 -0.605 -0.451 0.385 -1.146 0.772 0.837 -0.808 0.291 0.238 0.496 -1.273 1985 -1.037 0.206 -0.040 -0.370 0.064 -0.587 1.717 0.564 1.175 0.780 -0.746 0.894 1986 0.250 -2.256 -1.546 -0.215 -1.229 0.017 0.031 -1.458 0.152 -0.159 0.825 0.164 1987 -1.141 -0.861 -0.186 0.002 -0.159 -0.213 -0.951 1.640 0.599 1.219 -2.233 0.108 1988 -0.965 0.539 -0.429 -0.652 -0.602 -0.641 0.355 -1.959 -1.630 -2.202 2.106 -0.554 1989 0.245 0.871 0.546 -0.588 2.240 2.423 0.922 0.416 0.156 0.468 0.485 -0.703 1990 -0.558 1.315 0.794 -2.107 -1.359 0.536 -1.371 -0.012 0.752 0.460 -0.948 0.144 1991 0.876 -1.265 1.043 -1.240 -0.020 -0.674 -1.004 -0.524 -0.548 -0.597 1.416 -2.063 1992 -0.497 -1.459 -0.765 -0.707 -1.429 -1.951 -0.566 -0.476 0.429 -1.005 0.265 0.096 1993 -1.750 0.457 -0.600 0.467 1.269 1.638 1.440 0.318 1.191 0.759 -0.490 0.722 1994 0.910 1.520 0.780 0.103 0.171 -1.509 -0.401 1.090 0.052 0.156 0.423 -0.087 1995 1.225 0.471 -0.225 0.018 1.040 -0.115 -2.297 -0.288 0.866 0.502 -1.257 1.222 1996 0.801 -0.197 0.676 -0.044 1.308 0.528 0.287 -2.250 -1.427 0.758 -1.157 0.499 1997 0.313 0.239 0.790 -0.324 0.938 -0.323 0.990 0.047 0.477 0.549 -0.071 -0.222 1998 0.834 0.104 0.991 2.418 -0.049 0.660 0.987 1.218 0.396 0.893 -1.549 1.736 1999 1.369 0.640 -0.002 1.384 0.975 -1.285 0.050 0.809 0.125 1.202 -1.679 2.127 2000 2.276 0.734 -0.024 0.831 0.879 0.005 -0.522 0.510 -0.962 -0.622 1.472 -0.929 2001 -0.067 -0.492 -0.008 0.819 -0.498 0.281 -0.847 1.423 0.935 1.053 -1.456 1.740 2002 0.809 1.499 -2.177 -0.174 -2.014 -0.870 -0.903 -2.563 -3.165 -2.995 1.924 0.141 2003 -0.945 -0.482 -0.524 0.086 0.552 -0.402 0.471 0.773 -0.020 -0.336 0.413 -0.869 2004 0.652 -1.375 0.387 -0.300 0.114 1.003 1.409 -0.218 -0.116 -0.903 -0.086 -0.548 2005 -0.290 1.311 -0.008 0.517 -0.264 -1.160 -0.348 -0.352 -0.387 -0.524 0.700 -1.107 2006 0.275 -0.261 0.233 -0.590 1.361 0.464 0.750 -0.208 0.592 0.915 -1.631 1.102 2007 0.151 0.592 -1.030 -0.943 -0.645 -0.886 -2.299 -0.646 -0.099 -0.672 -0.376 1.456 2008 1.275 1.410 0.147 -1.226 -0.397 1.401 -0.002 1.144 0.870 0.614 -1.243 1.547 2009 1.166 0.371 -0.090 -0.064 -0.762 -0.459 -1.419 0.084 0.204 -0.230 0.064 0.112 2010 -0.921 -0.923 0.003 0.599 0.810 2.187 2.054 0.092 -0.105 0.599 -1.613 1.088 2011 0.311 1.238 -0.792 -0.966 0.688 -0.013 -1.442 -0.833 -0.401 0.825 -0.870 1.610 2012 1.914 -0.079 -0.267 -0.120 0.033 0.617 1.095 -0.292 0.012 -1.466 1.747 -1.370 2013 -0.466 0.976 1.306 0.447 0.552 0.028 0.825 -0.978 -1.452 -1.039 1.080 -0.642 2014 -0.236 0.756 0.872 -0.076 -0.697 0.870 0.171 -0.439 -0.941 -0.453 0.204 0.923 2015 0.675 1.473 0.562 1.081 0.135 1.270 1.659 1.677 1.494 1.497 -2.029 0.882 2016 1.679 1.555 2.290 0.195 -0.407 2.279 0.154 -1.174 0.350 -0.701 1.375 -0.981 2017 -0.729 -0.350 -0.510 0.443 0.630 1.378 0.821 -0.633 0.199 -0.837 0.822 0.306 2018 0.797 1.026 0.174 -1.398 0.110 -0.000 0.089 0.528 1.112 0.996 -0.964 0.616 2019 1.036 -0.823 0.146 -0.062 0.182 1.242 -0.847 -1.320 -2.294 -2.177 2.201 -1.473 2020 -0.484 -0.093 1.606 -0.895 -0.055 0.811 -0.734 -0.313 0.233 1.485 -2.527 2.086 2021 1.450 1.643 -0.193 0.755 -0.095 1.326 -0.657 1.137 1.254 1.317 -2.270 2.300 2022 1.455 0.490 0.415 0.507 0.029 -0.686 0.287 1.126 0.996 1.239 -2.172 1.859 2023 2.479 0.684 -0.058 -0.833 1.136 -0.573 -0.624 0.042 -0.229 0.299 -1.264 1.967 2024 1.661 1.358 -0.037 1.386 0.142 0.520 -0.574 -2.938 0.056 -0.364 -0.902 0.252 2025************************************************************************************