Summer here is defined to be the austral summer, i.e., December–January–February–March (DJFM). For instance, the summer (DJFM) 1948 is December 1948 and January–February–March 1949. RAW: the raw SHAMI series. NORM: the normalized SHAMI series. The value of 99.99 is undefined. RAW RAW RAW RAW RAW NORM NORM NORM NORM NORM Jan Feb Mar Dec DJFM Jan Feb Mar Dec DJFM 1948 3.188 3.836 1.594 2.969 1949 3.904 4.518 3.735 3.354 3.859 1.114 1.774 2.737 1.849 3.025 1950 4.315 4.608 3.158 4.016 3.626 1.774 1.902 1.854 2.87 2.446 1951 4.038 4.262 2.189 1.989 2.799 1.329 1.411 0.372 -0.256 0.384 1952 4.195 3.128 1.884 3.059 3.151 1.58 -0.199 -0.094 1.395 1.261 1953 3.889 3.456 2.198 2.519 2.809 1.09 0.267 0.386 0.562 0.41 1954 3.588 3.122 2.007 2.284 2.912 0.607 -0.207 0.095 0.2 0.665 1955 2.78 3.658 2.924 2.012 3.049 -0.692 0.554 1.497 -0.221 1.008 1956 3.354 4.53 2.301 3.232 3.232 0.231 1.791 0.543 1.662 1.464 1957 3.103 4.505 2.089 1.678 2.329 -0.172 1.756 0.219 -0.735 -0.787 1958 2.417 3.328 1.892 1.959 2.638 -1.274 0.085 -0.083 -0.303 -0.017 1959 4.285 2.218 2.09 2.857 2.537 1.725 -1.49 0.222 1.082 -0.267 1960 2.722 2.911 1.66 1.783 1.983 -0.783 -0.507 -0.437 -0.574 -1.648 1961 2.463 2.423 1.265 1.502 2.205 -1.199 -1.2 -1.041 -1.006 -1.096 1962 3.092 3.504 0.721 2.05 2.552 -0.189 0.335 -1.874 -0.161 -0.23 1963 3.28 2.555 2.324 1.468 2.065 0.112 -1.012 0.579 -1.059 -1.443 1964 2.707 1.999 2.088 1.696 2.6 -0.808 -1.802 0.218 -0.708 -0.112 1965 3.224 2.574 2.905 2.028 2.318 0.022 -0.986 1.468 -0.196 -0.814 1966 3.106 3.059 1.079 1.06 2.872 -0.168 -0.296 -1.325 -1.688 0.567 1967 4.069 4.017 2.342 2.579 3.213 1.379 1.064 0.607 0.654 1.415 1968 4.375 4.479 1.417 1.671 2.459 1.869 1.72 -0.808 -0.747 -0.463 1969 2.627 3.898 1.64 2.537 2.468 -0.937 0.895 -0.468 0.589 -0.44 1970 2.433 3.141 1.761 3.083 3.257 -1.247 -0.18 -0.283 1.432 1.526 1971 3.084 3.767 3.093 2.804 2.862 -0.203 0.709 1.755 1.001 0.542 1972 3.283 2.867 2.496 1.229 2.413 0.117 -0.569 0.842 -1.428 -0.578 1973 3.069 3.136 2.218 2.487 3.512 -0.228 -0.188 0.416 0.512 2.161 1974 5.056 3.645 2.861 2.147 2.787 2.963 0.535 1.401 -0.011 0.355 1975 3.174 3.385 2.441 2.915 3.413 -0.058 0.167 0.758 1.172 1.915 1976 4.178 3.766 2.794 2.432 3.106 1.554 0.708 1.297 0.428 1.148 1977 3.328 3.56 3.103 2.011 2.293 0.189 0.414 1.77 -0.222 -0.876 1978 2.755 3.35 1.057 2.207 2.771 -0.731 0.117 -1.359 0.08 0.316 1979 4.078 2.854 1.947 1.702 2.799 1.393 -0.587 0.002 -0.699 0.385 1980 3.392 3.914 2.189 1.5 2.649 0.291 0.918 0.372 -1.01 0.011 1981 4.04 4.346 0.711 2.384 2.694 1.332 1.531 -1.889 0.353 0.123 1982 3.467 2.924 2 1.544 2.11 0.413 -0.488 0.084 -0.942 -1.332 1983 2.41 2.236 2.251 1.468 2.147 -1.285 -1.465 0.467 -1.059 -1.239 1984 2.859 2.7 1.562 2.945 2.527 -0.565 -0.806 -0.587 1.219 -0.293 1985 2.242 2.485 2.436 1.938 2.35 -1.555 -1.111 0.75 -0.334 -0.734 1986 3.587 3.008 0.866 1.458 2.353 0.605 -0.369 -1.651 -1.075 -0.727 1987 3.318 4.216 0.42 2.36 2.2 0.173 1.346 -2.334 0.316 -1.107 1988 1.989 2.683 1.769 3.168 2.545 -1.96 -0.83 -0.27 1.563 -0.249 1989 2.179 2.979 1.852 1.732 2.478 -1.656 -0.41 -0.143 -0.652 -0.414 1990 3.38 1.951 2.85 2.449 2.863 0.273 -1.869 1.383 0.453 0.543 1991 3.624 4.479 0.898 2.147 2.397 0.665 1.719 -1.603 -0.012 -0.616 1992 2.29 3.632 1.52 2.633 2.659 -1.477 0.517 -0.651 0.738 0.036 1993 2.722 4.134 1.148 1.747 2.075 -0.784 1.229 -1.22 -0.629 -1.42 1994 2.621 2.981 0.951 1.256 2.243 -0.946 -0.408 -1.522 -1.386 -1.002 1995 2.756 2.874 2.085 2.782 2.429 -0.73 -0.559 0.213 0.968 -0.536 1996 2.85 2.519 1.567 2.714 2.902 -0.579 -1.063 -0.58 0.863 0.641 1997 3.065 3.634 2.195 1.689 2.117 -0.234 0.52 0.381 -0.718 -1.315 1998 3.293 1.978 1.507 2.73 2.819 0.133 -1.831 -0.671 0.887 0.435 1999 3.112 4.047 1.389 2.316 2.606 -0.158 1.106 -0.851 0.249 -0.095 2000 2.707 3.171 2.23 2.909 2.729 -0.808 -0.137 0.436 1.163 0.211 2001 2.111 4.006 1.892 2.811 2.631 -1.765 1.048 -0.082 1.012 -0.035 2002 2.744 4.155 0.813 1.06 2.124 -0.748 1.259 -1.733 -1.688 -1.296 2003 2.749 3.219 1.469 2.441 2.799 -0.74 -0.07 -0.729 0.441 0.384 2004 2.449 3.718 2.586 1.626 2.222 -1.222 0.639 0.98 -0.816 -1.054 2005 2.756 2.761 1.744 1.491 2.593 -0.729 -0.72 -0.309 -1.024 -0.129 2006 3.903 2.328 2.649 0.456 2.199 1.112 -1.333 1.075 -2.62 -1.111 2007 2.937 2.569 2.832 1.858 2.799 -0.438 -0.992 1.356 -0.458 0.384 2008 3.654 4.162 1.521 2.139 2.504 0.713 1.269 -0.65 -0.025 -0.351 2009 3.385 3.239 1.253 1.562 2.273 0.28 -0.041 -1.059 -0.914 -0.925 2010 3.513 2.779 1.24 2.637 2.987 0.486 -0.695 -1.08 0.743 0.852 2011 3.847 3.256 2.207 2.322 2.352 1.022 -0.017 0.399 0.258 -0.729 2012 2.925 1.729 2.431 1.012 2.336 -0.458 -2.184 0.743 -1.762 -0.77 2013 3.485 2.435 2.41 1.264 2.332 0.441 -1.182 0.711 -1.374 -0.779 2014 3.499 3.329 1.237 1.9 2.578 0.463 0.087 -1.085 -0.393 -0.167 2015 3.766 2.506 2.139 2.363 2.188 0.892 -1.081 0.296 0.321 -1.137 2016 1.825 2.562 2.003 2.549 2.8 -2.224 -1.002 0.088 0.608 0.388 2017 3.401 3.072 2.179 2.046 2.667 0.305 -0.278 0.357 -0.167 0.055 2018 3.211 3.233 2.177 2.706 2.8 0.001 -0.049 0.353 0.85 0.386 2019 3.349 3.237 1.907 1.17 2.324 0.222 -0.044 -0.059 -1.518 -0.798 2020 3.04 3.576 1.511 2.326 2.732 -0.273 0.437 -0.666 0.264 0.217 2021 3.04 3.854 1.707 2.434 2.577 -0.273 0.832 -0.365 0.43 -0.169 2022 3.588 2.65 1.636 2.434 2.804 0.606 -0.878 -0.474 0.43 0.398 2023 3.341 3.74 1.702 1.751 2.757 0.21 0.67 -0.372 -0.623 0.279 2024 3.592 3.131 2.553 0.613 -0.194 0.929