PDSI 9Grid data from southern Vietnam (I5,12F8.3) 1911-2005
 1911   1.731   1.876   1.752   2.241  -0.181  -0.100  -0.616  -1.173  -1.301  -1.087  -1.510  -1.528
 1912  -1.414  -1.679  -1.899  -1.951  -2.510  -2.049  -0.077   0.133  -0.671  -1.286  -0.890  -0.837
 1913  -0.580  -0.852  -0.943  -1.392  -0.508  -1.017  -0.537  -0.193  -0.764  -0.861  -0.202   0.203
 1914   0.173   0.629   0.390  -0.548  -1.063  -0.562  -0.403  -1.136  -1.827  -1.497  -0.694  -0.109
 1915  -0.410  -0.907  -0.646  -0.702  -1.008  -0.904  -1.801  -2.117  -2.117  -0.646  -0.821  -0.559
 1916  -0.627  -0.540   0.283  -0.510  -0.777  -0.168  -0.267  -0.244   0.280   0.949   0.708   0.633
 1917   1.354   0.898   0.926   0.429  -0.112   0.043  -0.064   0.024   0.739   0.899   0.771   0.653
 1918   1.153   1.109   1.343   0.791   0.823  -0.206  -1.508  -1.829  -1.529  -1.986  -1.949  -1.990
 1919  -2.242  -1.672  -1.546  -1.516  -1.380  -1.230  -1.336  -1.596  -2.103  -2.506  -1.811  -1.858
 1920  -1.879  -1.710  -1.818  -1.566  -2.183  -1.743  -1.174  -1.723  -2.007  -2.043  -1.197  -0.061
 1921   0.016  -0.068   0.573   0.791   0.870   0.596   1.078  -0.439  -0.139  -0.063   0.241  -0.037
 1922   0.181  -0.050   0.437   0.097  -0.493  -1.184  -1.183  -1.661  -1.648  -1.359   0.352   0.408
 1923   0.524   0.746   0.924   1.681   2.176   1.422   1.484   1.118   0.744   1.037   1.954   1.632
 1924   1.637   1.291   1.578   1.802   1.059   1.532   1.914   2.032   1.061   1.850   0.614   1.290
 1925   1.221   0.899   1.157   1.223   1.058   1.113   0.524   0.467   0.069  -0.912  -0.991  -0.814
 1926  -0.860  -0.628  -0.426  -0.919  -1.592  -1.113  -0.686   0.820   0.692   1.340   1.048   1.528
 1927   0.708   0.817   0.634   0.673   0.530   0.759   0.332  -0.324  -0.822  -0.434  -0.398  -0.454
 1928  -0.279   0.889   0.700   1.903   1.112   1.306   1.116   0.519   0.837   0.906   0.131  -0.089
 1929   0.378   0.633   0.072   0.304  -0.321  -0.619  -0.626  -0.610  -1.181  -1.380  -1.620  -1.510
 1930  -1.619  -1.586  -1.590  -1.447  -1.102  -1.646  -1.982  -1.961  -2.083  -3.123  -2.322  -1.703
 1931  -1.910  -1.768  -1.766  -2.024  -2.286  -2.418  -2.220  -2.449  -2.654  -2.019  -2.013  -1.790
 1932  -1.714  -1.634  -1.743  -1.659  -1.816  -2.073  -1.451  -2.072  -2.193  -1.821  -1.523  -1.274
 1933  -1.136  -1.164  -1.309  -1.321  -1.853  -1.208  -0.676  -1.002  -1.050  -1.166  -0.712  -0.680
 1934  -0.674  -0.519  -0.327  -0.049  -0.429  -0.764  -0.409  -0.107  -0.048  -0.664  -0.343  -0.169
 1935  -0.057   0.096   0.099   0.201   0.319  -0.002   0.652   0.033   0.023   0.099   0.467   0.780
 1936   1.227   1.291   0.991   0.622   0.376   0.556   0.671  -0.609  -1.067  -1.488  -1.583  -1.544
 1937  -1.886  -1.684  -1.839  -1.342  -1.371  -1.297  -0.058  -0.048  -0.144  -0.561  -0.488  -0.444
 1938  -0.458  -0.329  -0.301   0.161   0.194   0.663   1.177   1.060   1.037   1.212   1.107   0.969
 1939   1.174   1.139   1.402   1.354   1.454   0.513   0.252   0.100   0.012  -0.988  -0.063  -0.227
 1940  -0.237  -0.201  -0.343  -0.567  -0.411  -0.490  -0.594  -0.706  -0.931  -1.649  -1.011  -0.914
 1941  -2.362  -2.253  -2.027  -2.779  -2.227  -2.762  -2.784  -2.956  -3.082  -2.313  -0.571   0.080
 1942   0.970   0.979   1.780   2.407   2.004   1.836   1.274   2.328   3.153   3.711   4.982   4.288
 1943   4.261   3.919   3.829   4.424   3.948   2.629   2.023   1.368   2.504   2.999   2.688   2.820
 1944   2.718   2.433   1.989   2.246   1.921   1.584   1.172   2.164   1.180   1.470   0.940   2.538
 1945   0.404   0.729   0.787   1.160   0.946   1.361   0.994   0.980   0.811  -0.007   0.157   0.346
 1946   0.229   0.086   0.053   0.464   1.239   0.391   0.172   0.063   0.001  -0.038  -0.201  -0.273
 1947   2.767   2.739   2.839   4.273   2.226   1.036   0.812   1.162   0.523   0.984  -1.883  -2.143
 1948  -2.289  -2.332  -2.043   0.079  -0.686  -1.014  -0.922  -0.894  -0.930  -1.143  -1.959  -2.082
 1949  -2.067  -1.902  -2.106  -1.763  -1.174  -1.781  -1.436  -0.586  -0.073   0.848   1.416   1.269
 1950   1.300   0.998  -0.137  -0.318  -0.354  -0.077  -0.551  -1.373   0.872   1.530   0.623   0.367
 1951   1.014   0.990   0.968   1.558   2.189   1.887   2.320   1.897   1.548   1.962   3.062   1.940
 1952   1.843   1.187   1.257   0.673   0.350   0.154  -0.322   1.038   0.544   2.217   1.459   1.178
 1953   1.212   2.098   2.456   1.932   1.973   3.478   2.603   1.486   1.454   0.752   2.018   1.697
 1954   0.981   0.853   0.896   1.166  -0.232  -0.991  -2.109  -2.152  -1.543  -2.434  -3.164  -1.447
 1955  -1.732  -1.739  -1.857  -0.649  -0.003   0.930  -0.042  -0.511  -0.932   0.370   1.761   0.973
 1956   0.863   1.482   1.266   2.338   2.588   1.850   1.902   2.117   1.777   1.093   1.119   1.583
 1957   1.604   1.418   2.326   1.239  -0.831  -0.903  -0.850  -0.218   0.240   0.858  -0.673  -1.170
 1958  -0.936  -0.917  -1.142  -1.912  -2.612  -2.693  -2.404  -2.283  -1.834  -1.519  -2.367  -2.700
 1959  -2.622  -2.456  -1.361  -1.542  -2.070  -2.989  -1.906  -1.698  -1.868  -2.318  -2.647  -1.976
 1960  -2.012  -1.816  -1.699  -2.221  -1.474  -0.894  -1.264  -1.071  -0.903   1.098   1.108   0.676
 1961   0.700   0.639   0.547   1.160   1.852   2.118   1.854   2.497   1.840   1.237  -0.049  -0.384
 1962  -0.333  -0.438  -0.319  -0.643  -0.129  -0.401   0.146   0.150   1.253   0.264   0.018   0.012
 1963  -0.156  -0.234   0.017  -1.214  -1.827  -1.172  -0.748   0.610   1.771   1.630   0.858   0.818
 1964   1.433   1.112   0.956   0.451   2.084   0.747  -0.094   0.360   0.283   0.486   2.726   2.854
 1965   2.199   2.327   2.160   2.066   2.311   2.561   1.087   0.197  -0.084  -0.400   0.252   0.791
 1966   0.471   0.596   0.762   0.447   2.573   2.363   3.196   3.933   2.641   2.384   2.080   2.881
 1967   2.950   2.249   1.626   2.218   1.898   1.241   1.616   1.802   0.883  -0.406  -1.241  -1.418
 1968  -1.594  -1.470  -1.674  -0.663  -0.858  -1.082  -1.930  -1.389  -1.047  -0.811  -1.982  -2.602
 1969  -2.122  -2.498  -2.656  -2.731  -3.206  -0.913   0.268  -0.656   0.213   0.467  -0.388  -0.783
 1970  -0.706  -0.759  -0.550  -0.532  -0.726  -0.404  -0.942  -0.359  -1.052   0.389   0.488   0.968
 1971   0.709   1.078   0.998   0.679   1.350   2.088   2.492   2.168   0.956   0.829   0.770   1.046
 1972   0.852   1.259   1.447   2.169   0.614   0.917   0.877   0.066   0.061  -1.013   0.112  -0.333
 1973  -0.966  -0.966  -1.059  -1.632  -2.034  -1.486   0.583   0.638   0.586   0.072   0.523  -0.169
 1974  -0.116  -0.129   0.061   1.017   0.793  -0.164  -1.196  -0.339  -1.721  -0.271   0.049   1.437
 1975   1.894   1.850   1.820   0.777   0.752   1.684   1.081   1.821   1.380   1.560   1.536   2.058
 1976   0.951   0.899   0.984   1.041   0.041  -0.912  -0.429  -0.626  -0.946  -0.531  -0.346  -0.574
 1977  -0.343  -0.459  -0.699  -0.808  -1.490  -2.469  -2.139  -2.532  -2.791  -3.414  -3.517  -3.499
 1978  -3.328  -3.226  -3.160  -3.203  -2.329  -1.963  -1.817  -0.669   0.396  -0.086  -0.762  -1.220
 1979  -1.376  -1.583  -2.168  -1.940  -1.641  -1.659  -1.800  -2.662  -2.880  -3.607  -3.692  -3.763
 1980  -3.864  -3.802  -3.821  -3.809  -2.086   0.413   0.759   0.964   0.167   0.136  -0.566  -0.561
 1981  -0.750  -0.654  -1.102  -1.174   0.351   1.144   1.823   1.876  -0.372  -0.114   0.530   0.214
 1982  -0.203  -0.122  -0.850  -1.199  -2.518  -3.371  -4.003  -5.528  -4.530  -3.613  -2.938  -2.687
 1983  -2.374  -2.331  -2.401  -3.163  -3.318  -3.128  -2.920  -2.934  -3.670   0.577   0.256   0.707
 1984   0.574   0.420   0.271   0.864   0.417   1.034  -0.013   0.510  -0.173   0.040  -0.078  -0.186
 1985  -0.173   0.730   0.473   1.602   0.787   1.111  -1.024  -1.302  -1.073  -0.694  -0.894  -1.176
 1986  -1.448  -1.448  -1.520  -1.213  -0.441  -1.267  -1.758  -0.448  -0.661   0.214   0.136   0.362
 1987  -0.721  -0.856  -1.138  -1.486  -2.494  -2.006  -2.010  -2.051  -2.309  -3.054  -1.481  -1.763
 1988  -1.870  -1.891  -2.018  -0.870  -0.397   0.162  -1.292  -2.449  -3.429   0.299  -0.202  -0.398
 1989  -0.174  -0.528  -0.094  -0.194   0.169  -0.413  -0.662  -0.909  -1.186  -0.746  -1.321  -1.381
 1990  -1.504  -1.083  -0.857  -1.376  -1.727  -1.648  -1.517  -2.061  -2.117  -1.779  -1.403  -2.491
 1991  -2.689  -2.977  -1.981  -2.917  -3.693  -4.152  -4.322  -3.960  -3.598  -3.268  -3.593  -3.577
 1992  -2.477  -2.113  -2.637  -3.428  -3.760  -3.509  -3.512  -3.479  -4.177  -4.078  -4.346  -4.189
 1993  -4.207  -4.119  -3.317  -3.257  -3.878  -4.379  -4.858  -5.136  -5.600  -5.248  -5.266  -4.796
 1994  -4.922  -4.373  -3.084  -3.454  -2.017   0.993   1.040   1.828   3.336   0.939  -1.156  -1.019
 1995  -1.407  -1.766  -1.951  -2.392  -1.803  -2.386  -1.717  -2.016  -1.856   0.316   0.112  -0.191
 1996  -0.391  -0.389  -0.653   0.844   0.889  -0.756  -1.340  -2.141   1.282   1.498   2.118   1.480
 1997   1.208   1.359   1.617   1.786   1.151   0.702   2.411   1.902  -0.073  -0.884  -1.707  -2.126
 1998  -2.519  -2.580  -3.184  -3.621  -3.343  -2.773  -4.033  -4.497  -3.348  -3.332  -0.141   0.140
 1999   0.642   0.651   1.660   4.508   4.884   6.034   6.711   5.208   4.542   4.553   5.686   4.240
 2000   4.211   4.356   5.873   6.501   6.087   7.879   6.618   6.401   7.071   7.542   6.477   6.318
 2001   6.730   5.903   6.249   5.002   6.708   6.801   5.962   6.757   2.660   2.683   0.529   0.564
 2002   0.037  -0.026  -0.120  -0.530  -0.652  -1.096  -1.583  -0.650  -0.031  -0.399  -0.810  -0.443
 2003  -1.148  -1.208  -0.839  -1.806  -0.556  -1.961  -2.548  -3.154  -3.137  -3.250  -3.312  -3.314
 2004  -3.194  -2.111  -2.226  -2.289  -1.190  -0.816   0.318   0.134  -1.752  -2.707  -3.287  -3.588
 2005  -3.820  -4.153  -4.087  -4.228  -4.364  -4.433  -3.580  -3.934  -3.566  -3.516  -2.999  -2.168
