SVSAM_INDEX (NCEP1) ** undef = -9.99e+08 year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1948 -1.412 -2.769 -2.705 -1.109 0.529 -0.991 -1.726 -2.717 -1.232 -3.100 -2.729 -1.607 1949 -3.484 -5.302 -2.641 -0.161 0.732 0.392 -0.723 0.260 -0.267 -1.159 -1.255 -2.228 1950 -3.094 -2.239 -3.447 -1.783 -0.400 -0.689 -2.234 -1.243 -0.419 -1.287 -1.499 -0.707 1951 -0.977 -1.613 -1.446 -2.540 -1.772 -1.804 -1.440 -1.052 -2.142 -2.509 -1.569 -2.272 1952 -3.094 -1.813 -1.846 -2.461 -1.687 -1.218 -0.890 -0.926 -1.095 -1.371 -2.108 -2.074 1953 -2.530 -2.045 -1.748 -3.059 -1.551 -0.966 -2.008 -0.074 -0.471 -2.672 -1.323 -2.079 1954 -0.890 -1.185 -3.528 -1.423 -0.204 -0.640 -0.991 -2.598 0.146 -0.814 0.542 -1.446 1955 -1.319 -1.135 0.097 -0.658 -1.383 -0.962 0.381 -1.723 -1.497 -3.531 -2.574 -1.588 1956 -2.069 -1.860 -0.981 -1.065 -1.081 0.928 -0.771 -1.027 -1.720 -1.289 -1.346 -2.204 1957 -1.472 -1.239 -0.518 -1.159 -0.664 -2.050 -0.290 -0.577 -0.066 -2.351 -1.696 -1.636 1958 -0.069 -0.820 -1.223 -1.917 -0.921 0.316 -0.894 0.383 1.617 0.062 0.308 0.987 1959 0.611 -0.749 0.047 -1.521 -1.264 -1.213 -0.951 -0.993 0.431 -0.811 0.959 -0.151 1960 -0.364 -0.702 1.515 -1.674 -1.566 -0.053 0.194 -0.975 -0.633 -0.419 -0.059 -0.099 1961 -0.018 -1.382 -0.896 -0.553 -0.432 -1.253 -0.453 0.134 -1.384 -0.503 0.005 1.057 1962 0.998 -0.558 -0.562 0.796 -0.062 -1.413 0.719 0.149 0.408 -1.333 -1.178 0.233 1963 0.565 0.248 -0.154 -0.977 -0.108 -0.890 -0.775 -2.752 -0.905 0.215 -0.554 -0.219 1964 -1.746 -1.223 -1.606 -0.739 -0.287 -2.340 -2.776 -1.336 0.315 0.322 -1.518 -1.089 1965 -0.774 -3.450 -1.371 -1.619 -2.231 -0.038 -0.977 -0.611 -0.682 -1.590 -0.109 -1.499 1966 -0.203 -1.460 -3.398 -1.022 -1.747 0.580 -0.164 0.734 -0.170 0.782 -0.599 -0.712 1967 -2.032 -1.171 -0.803 -0.426 -0.442 -0.966 -0.450 0.087 -0.578 -0.231 -1.141 -0.758 1968 -0.480 -0.941 -1.002 -0.975 -1.896 0.241 0.617 -0.207 -1.209 -1.886 -1.855 -0.814 1969 -1.895 -1.056 -0.392 -1.029 -0.240 -0.370 0.268 0.731 0.417 -0.400 0.776 -0.306 1970 0.008 0.223 -0.923 -0.967 0.321 0.192 -0.395 1.559 -0.225 -1.912 -0.268 -0.907 1971 -1.115 -0.104 0.397 -0.453 -1.483 0.095 -0.463 -0.228 0.136 -1.261 -0.075 -0.999 1972 -1.750 -1.189 -1.220 -2.111 -0.335 -1.312 -0.590 -1.348 -0.424 -0.022 0.470 -0.688 1973 -1.185 0.277 1.453 0.026 -1.488 -0.321 0.214 0.768 -0.520 0.088 -0.898 0.494 1974 -0.806 1.057 0.799 0.219 0.227 -0.800 0.309 -1.665 1.119 -0.867 -1.625 -1.412 1975 -1.054 -0.393 -0.262 0.253 -0.875 -0.602 -1.011 1.574 1.264 1.161 -0.432 -0.430 1976 -1.110 -0.225 -0.065 1.221 0.701 0.089 0.202 0.609 0.811 0.590 -1.497 -2.942 1977 -1.941 -0.513 -0.435 -0.853 -0.493 -0.779 -0.320 -0.819 1.138 0.722 -0.173 -0.504 1978 0.437 0.017 -0.724 -0.164 -0.864 0.094 -1.425 1.938 0.889 0.202 -0.689 0.189 1979 0.112 0.276 0.741 0.632 0.849 2.101 2.274 0.960 0.619 0.719 -0.185 -1.036 1980 -0.477 -1.034 -1.685 -1.889 -0.356 0.605 -1.467 -1.074 -1.921 0.685 -1.349 -0.256 1981 0.390 0.471 -1.554 -1.575 0.001 0.476 -0.874 -1.650 -1.406 -0.308 1.370 0.783 1982 -0.618 0.254 2.378 2.510 0.075 0.805 -0.064 1.153 1.733 -0.565 -0.334 -1.580 1983 -1.300 -0.985 0.575 0.115 -0.240 -0.059 1.220 0.897 -0.959 1.592 1.283 0.298 1984 -1.064 -0.533 -0.278 0.154 -0.964 0.787 0.959 -0.254 0.355 0.240 0.268 -1.365 1985 -0.892 0.040 -0.044 0.280 0.040 -0.535 1.909 0.532 1.306 0.478 1.212 1.001 1986 0.118 -1.885 -1.229 -0.136 -1.186 -0.061 0.393 0.364 1.123 0.172 0.060 0.659 1987 -1.007 -0.730 -0.013 -0.057 0.161 -0.287 -0.766 1.395 -0.528 0.329 1.215 0.054 1988 -0.639 0.693 -0.120 0.303 -0.525 -0.943 0.667 -0.431 -0.985 -3.357 0.395 0.636 1989 0.561 0.989 0.827 -0.417 2.877 2.389 1.137 -0.317 -0.318 0.207 1.019 -0.330 1990 -0.183 1.454 0.962 -1.032 -1.283 0.457 -1.111 0.843 1.346 0.515 0.157 -0.205 1991 0.968 -1.115 1.091 -0.646 0.294 -0.603 -0.728 0.275 -0.655 -0.178 -0.556 -1.685 1992 0.025 -1.402 -0.776 -0.347 -1.221 -1.922 -0.300 0.102 0.773 -0.398 0.494 0.072 1993 -1.922 0.422 -0.657 0.302 1.489 1.470 1.569 1.015 1.175 0.923 0.327 0.860 1994 0.653 1.274 0.640 -0.192 0.282 -1.625 -0.163 1.925 -0.631 -0.290 -1.060 0.592 1995 1.321 0.377 -0.341 0.668 1.381 -0.446 -1.934 -0.393 1.105 -0.095 0.423 1.200 1996 0.606 -0.215 0.557 -0.020 1.395 0.157 0.384 -1.487 -1.732 1.188 -1.215 -0.049 1997 0.381 0.194 0.882 0.079 1.399 -0.376 1.157 0.969 0.417 -0.467 -1.680 -0.642 1998 0.673 0.106 0.757 2.329 0.013 0.668 1.178 0.676 -0.404 0.120 1.090 1.220 1999 1.114 0.649 0.084 1.368 1.505 -1.565 0.260 0.177 -0.501 1.684 1.089 1.747 2000 1.777 0.784 0.054 0.643 1.144 -0.172 -0.296 -0.344 -1.993 0.421 -1.229 -0.871 2001 -0.068 -0.259 0.014 1.008 -0.155 0.388 -0.567 1.081 0.720 1.891 1.432 1.254 2002 0.830 1.473 -2.001 0.503 -1.838 -0.596 -0.551 -0.076 -1.731 -3.307 -0.752 0.755 2003 -0.955 -0.210 -0.145 0.539 0.831 -0.668 0.614 0.506 -0.518 0.210 -0.293 -0.959 2004 0.858 -1.247 0.404 0.313 0.665 1.032 1.642 0.604 0.259 -0.198 -0.060 -0.723 2005 -0.174 1.325 0.176 0.831 0.094 -1.121 -0.152 0.303 -0.290 -0.276 -0.337 -1.503 2006 0.287 -0.298 0.539 -0.099 1.905 0.378 0.995 -1.469 -0.360 0.540 0.354 0.639 2007 -0.077 0.659 -0.772 -0.579 -0.467 -0.811 -1.953 0.043 -0.127 -0.448 -0.307 1.440 2008 1.186 1.283 0.404 -0.702 -0.110 1.469 0.184 0.571 0.454 1.011 1.097 1.028 2009 0.989 0.330 0.091 0.065 -0.382 -0.360 -0.944 -0.894 -0.185 0.859 -0.652 0.430 2010 -0.678 -0.563 0.431 0.779 1.056 2.042 2.142 1.206 0.038 1.363 1.917 0.437 2011 0.213 1.478 -0.434 -0.140 1.305 -0.093 -1.066 -1.441 -1.494 0.601 -0.631 1.705 2012 1.749 -0.050 0.131 0.894 0.257 0.527 1.226 0.359 0.260 -0.124 -1.440 -0.833 2013 0.053 1.089 1.416 1.004 0.623 -0.181 0.903 -1.445 -1.931 -0.360 0.813 -0.161 2014 -0.193 0.844 1.152 0.946 -0.366 0.809 0.306 -0.039 -1.472 0.334 0.086 1.080 2015 0.703 1.612 0.677 1.469 0.468 1.260 1.688 1.234 1.173 0.048 1.131 0.158 2016 1.539 1.525 2.319 0.513 -0.096 2.391 0.333 -0.927 1.686 -0.625 -1.448 -0.567 2017 -0.476 -0.103 -0.390 0.841 1.058 1.000 0.777 0.799 1.519 -0.641 0.923 0.738 2018 1.001 0.998 0.323 -0.912 0.311 -0.196 0.280 -0.538 1.053 0.732 0.904 0.692 2019 0.987 -0.590 0.521 0.666 0.504 1.466 -0.626 -0.746 0.551 -1.278 -1.959 -1.314 2020 -0.160 0.361 1.667 -0.325 0.223 0.690 -0.533 -0.492 -0.257 1.254 1.111 1.202 2021 1.145 1.727 0.216 1.028 0.237 1.018 -0.558 -0.025 0.996 0.578 1.373 1.807 2022 1.214 0.672 0.648 1.242 0.197 -0.816 0.446 0.305 1.004 0.479 1.979 1.400 2023 2.217 0.629 0.356 -0.672 1.469 -0.747 -0.484 0.218 -1.349 1.469 0.863 1.368 2024 1.136 1.343 0.234 2.199 0.565 0.539 -0.386 -2.197 0.264 -0.639 1.253 -0.608 2025************************************************************************************