DATA APPENDIX FOR COOK, STAHLE, AND CLEAVELAND CHAPTER OBLIQUELY ROTATED DROUGHT FACTOR SCORES BASED ON 23 PDSI RECONSTRUCTIONS FOR THE EASTERN UNITED STATES THE UNITS ARE NOT PDSI, BUT SCORES THAT ARE APPROXIMATELY N(0,1) YEAR FACTOR #1 FACTOR #2 FACTOR #3 FACTOR #4 FACTOR #5 FACTOR #6 1700 -0.799 -0.835 -0.934 -0.582 -1.338 0.090 1701 0.013 -0.376 -0.092 0.167 -1.907 0.585 1702 -0.050 0.529 0.182 1.466 -0.830 -0.243 1703 -0.690 -1.555 -0.298 -0.117 -0.060 -0.987 1704 -0.377 -1.434 -0.958 -0.917 -0.139 -0.223 1705 1.328 0.349 1.498 -0.340 0.124 -0.818 1706 0.676 0.800 -0.024 0.839 0.387 0.979 1707 -0.610 -0.099 0.324 -0.135 1.026 2.011 1708 -1.510 -1.066 -1.548 -0.512 0.389 -1.555 1709 -0.463 -0.280 -0.796 -0.335 0.722 -0.541 1710 0.188 0.206 0.624 -0.305 0.145 0.091 1711 0.843 1.299 0.916 -0.529 0.814 0.649 1712 0.212 0.858 0.277 -0.093 -0.241 -0.528 1713 -0.038 1.280 0.071 0.068 -0.403 0.763 1714 -1.157 -0.102 -1.568 -1.576 0.157 1.087 1715 -0.630 -1.099 -1.634 -1.049 0.320 -0.435 1716 0.990 -0.575 1.462 -0.669 -0.454 0.635 1717 0.858 0.643 1.356 -0.839 -1.185 0.805 1718 -0.719 0.121 -1.015 2.202 -1.402 -0.183 1719 -0.352 0.922 0.907 2.323 -0.118 -0.159 1720 0.273 1.403 -0.472 1.537 -0.164 -1.353 1721 0.225 0.498 2.419 1.906 -0.902 -1.125 1722 0.383 -1.457 -0.927 -0.396 -0.744 0.112 1723 -0.317 -0.875 2.072 1.409 -1.417 -0.648 1724 0.438 0.737 1.191 -0.277 -1.089 -0.110 1725 2.250 1.454 0.450 -0.122 0.870 -0.174 1726 0.474 1.578 -0.082 0.627 0.710 -0.006 1727 0.114 0.782 -0.574 -0.171 0.268 0.354 1728 0.719 0.896 -1.387 -1.029 -0.535 -0.808 1729 1.540 1.418 0.757 -0.993 0.814 1.066 1730 0.973 1.617 -0.927 -1.803 0.840 0.039 1731 0.134 1.193 0.509 -1.132 0.399 0.042 1732 -0.694 0.024 -0.020 0.121 1.049 0.592 1733 -0.890 0.615 0.379 0.104 -0.182 0.868 1734 -0.150 0.299 0.159 -0.024 -0.330 -0.438 1735 -0.645 0.086 -0.402 1.618 -1.576 -0.117 1736 -0.320 -0.538 2.870 -0.822 -1.998 -2.215 1737 -0.178 -0.782 -0.074 -0.089 -0.481 -1.853 1738 -0.169 0.022 -1.479 -0.556 0.188 -0.305 1739 1.605 0.790 -1.104 0.452 0.364 0.700 1740 0.659 -0.816 -0.320 2.774 0.830 1.113 1741 0.623 -1.330 -0.251 -0.582 -0.831 0.289 1742 1.380 -0.129 1.310 -0.894 -1.425 -0.132 1743 -0.736 -0.344 0.382 -0.882 -1.661 -0.460 1744 0.864 0.280 -0.065 -0.115 -1.552 0.763 1745 1.202 -0.604 0.396 0.180 0.384 1.367 1746 -1.476 -0.359 -1.424 1.589 -0.426 -0.340 1747 0.006 -0.398 -1.086 1.191 0.611 1.017 1748 -1.927 -1.684 -0.989 0.708 -0.784 -1.136 1749 -0.181 -0.497 -0.261 0.345 -0.197 -1.133 1750 0.411 0.221 -0.823 -0.310 0.864 0.301 1751 0.319 0.388 -0.116 -0.828 0.003 -0.460 1752 -0.202 0.490 -0.590 -1.057 -0.951 -1.115 1753 0.339 1.506 -0.110 0.035 -1.424 -0.371 1754 0.856 1.538 -0.356 -0.263 0.454 -0.611 1755 -0.763 1.618 -0.233 -1.697 0.716 -0.644 1756 1.941 0.503 -0.678 0.536 2.105 -0.095 1757 -0.407 -1.185 0.547 -0.164 -1.501 1.165 1758 0.468 0.683 -0.796 1.313 0.296 0.633 1759 0.507 0.205 -0.808 1.351 0.218 0.814 1760 0.797 0.338 -1.404 1.184 -0.117 -0.446 1761 0.569 -1.004 2.022 0.915 -0.053 0.988 1762 -0.681 -0.143 -0.253 1.023 0.012 -0.683 1763 0.360 0.481 -0.692 -0.634 0.389 -0.090 1764 -1.546 -0.220 -1.149 -0.418 0.850 0.986 1765 -0.786 -0.373 -1.497 -0.062 0.229 -0.390 1766 -0.017 -0.823 1.522 -0.140 1.692 -0.894 1767 -0.900 -0.981 0.273 -0.394 0.185 -1.339 1768 1.979 0.469 1.080 -0.801 1.476 1.110 1769 -0.317 -1.347 0.573 -0.024 1.265 1.356 1770 0.254 -1.106 0.369 -0.161 -0.824 0.592 1771 0.163 -0.994 1.478 -0.061 -0.692 0.263 1772 -0.423 -1.246 -0.129 -1.665 -1.654 -1.255 1773 -1.576 -1.117 -0.130 -0.440 -0.968 -0.481 1774 -1.581 0.113 -0.510 -0.700 -1.254 -0.283 1775 0.377 0.151 0.367 -0.796 0.215 0.225 1776 1.687 0.946 1.456 -0.778 -0.401 1.159 1777 1.014 1.575 0.631 -0.568 0.556 1.411 1778 0.654 -0.019 -1.706 -0.602 0.168 0.703 1779 1.426 0.046 -0.466 0.214 1.160 1.447 1780 2.188 -0.089 0.065 -0.390 -0.054 0.644 1781 2.345 1.847 -1.374 -1.024 1.414 2.969 1782 0.240 -0.078 0.085 1.951 0.888 1.975 1783 1.100 -0.662 0.422 1.272 0.451 1.335 1784 -0.566 -1.282 -1.111 0.912 -0.086 -0.591 1785 0.070 -0.101 1.568 -1.120 -0.393 -0.573 1786 0.925 0.189 1.693 -1.174 0.106 0.281 1787 1.198 0.995 0.011 -0.246 0.866 0.427 1788 1.299 1.665 0.075 0.933 1.128 0.948 1789 0.156 -0.134 0.095 -1.882 0.333 -0.510 1790 0.686 -0.128 0.647 -1.928 -0.020 0.445 1791 -0.861 -1.611 -0.414 -0.086 -0.296 0.240 1792 0.145 -1.076 0.483 1.245 0.161 0.184 1793 1.957 -0.414 1.745 2.261 -0.052 1.081 1794 1.419 -0.616 -0.221 1.506 0.081 -0.306 1795 0.857 -0.953 1.313 1.532 0.314 0.559 1796 1.084 -0.608 1.343 1.347 0.581 0.894 1797 -0.336 -0.980 -0.743 0.687 1.235 1.726 1798 0.664 -1.492 0.350 -0.160 -0.672 0.779 1799 -0.406 -1.564 -1.028 1.507 -0.700 -0.848 1800 1.588 -0.007 0.977 0.695 -1.095 -1.309 1801 1.186 0.308 -0.645 -1.008 -0.540 -1.382 1802 0.820 0.813 -1.138 0.404 0.051 -0.359 1803 -0.919 -0.626 1.090 1.109 -1.808 -0.629 1804 -0.357 0.716 1.600 0.081 -0.823 0.150 1805 -1.087 -0.380 0.199 -1.219 -0.130 -0.170 1806 -1.900 -0.681 -0.123 -1.170 -1.254 -0.391 1807 0.308 1.247 -0.409 0.116 0.042 0.222 1808 0.711 0.711 0.184 -0.525 -1.135 -0.508 1809 0.613 0.179 -0.600 0.531 -1.570 -0.034 1810 -0.115 -0.209 0.256 1.145 -1.255 0.029 1811 -0.653 0.427 -0.503 0.547 -0.813 1.688 1812 0.290 0.911 -0.079 0.719 -0.656 -1.634 1813 -0.913 1.037 0.132 0.319 -0.667 -0.078 1814 1.229 2.729 0.215 0.555 0.474 0.133 1815 0.727 2.139 0.128 0.646 -0.599 -0.467 1816 -0.090 0.447 -1.205 -0.200 -1.669 -1.930 1817 0.756 0.190 0.154 0.778 -0.046 -0.834 1818 -0.719 -1.577 -1.868 0.756 -0.820 -1.318 1819 -1.449 -2.135 -1.286 -0.173 -1.406 0.320 1820 -0.015 -0.728 -0.473 -1.098 -2.489 -0.456 1821 -0.095 -0.729 2.910 0.485 -2.362 -0.568 1822 -0.076 -0.548 0.853 -0.853 -1.439 0.586 1823 0.050 0.126 1.118 0.438 0.372 0.046 1824 1.178 0.950 -0.010 -0.773 0.922 -0.486 1825 -0.460 -1.175 2.055 1.131 -0.146 -1.040 1826 0.187 -0.389 -0.708 -0.739 -1.773 0.088 1827 1.969 1.728 0.504 -0.027 -0.179 0.439 1828 1.078 1.579 -0.229 -0.202 0.616 0.901 1829 0.725 1.410 1.385 0.099 -0.076 -1.258 1830 1.267 1.785 -0.315 -0.111 1.310 0.334 1831 1.829 1.409 -0.072 -0.742 0.299 -0.062 1832 0.536 1.769 0.637 -0.238 0.134 -0.378 1833 1.268 3.738 2.176 2.598 -0.069 -0.621 1834 0.093 1.506 0.835 1.728 -0.001 -2.215 1835 -1.084 -0.527 0.373 -0.537 0.382 -0.540 1836 -0.180 -0.319 1.664 2.061 -0.133 0.227 1837 -0.522 0.260 -1.427 -0.069 -0.104 0.149 1838 -1.949 -1.830 0.301 0.662 -1.282 -1.371 1839 -2.016 -1.315 -1.544 -0.273 -2.183 -0.578 1840 1.427 -1.011 0.516 0.276 -0.226 0.102 1841 -0.100 -0.088 0.004 -0.931 -1.349 -1.051 1842 0.148 0.099 0.175 -1.531 0.258 0.168 1843 -1.077 -1.458 -0.146 0.746 -0.440 0.859 1844 -0.474 -0.630 -0.788 -0.220 0.199 1.485 1845 -0.268 -1.456 -1.704 -0.248 -0.381 -0.014 1846 1.923 0.207 1.170 0.008 -0.945 0.746 1847 1.084 -0.388 1.066 -0.901 -0.172 -0.017 1848 0.982 0.109 -0.369 -0.517 0.784 0.184 1849 0.808 -0.802 -1.418 0.274 0.585 2.103 1850 0.567 -0.151 -0.030 1.219 0.526 0.214 1851 0.306 -0.593 -0.670 0.733 2.125 0.020 1852 0.220 -1.103 -0.239 -0.248 -0.239 0.107 1853 -0.658 -0.702 -0.104 -0.240 0.648 -0.055 1854 0.588 -0.955 1.755 0.060 0.049 1.512 1855 0.101 -0.939 1.087 -1.692 0.175 -0.466 1856 -0.668 -0.852 -1.002 0.249 -0.331 -0.522 1857 1.060 0.616 -0.556 -1.628 -0.941 -1.245 1858 -1.125 0.179 0.645 0.144 -0.170 0.424 1859 -0.687 0.509 0.627 -1.444 0.363 -0.403 1860 0.518 -0.014 0.948 -1.072 0.316 -0.790 1861 -0.365 -0.293 0.139 -0.322 0.142 0.446 1862 0.251 -0.033 2.840 -1.923 1.071 1.245 1863 -0.274 -0.255 1.576 -0.759 -0.422 0.950 1864 -1.680 -0.735 -0.295 -1.405 -0.288 0.247 1865 -0.225 0.364 -0.043 -0.171 -0.484 0.041 1866 -0.005 0.403 1.651 -0.353 0.413 1.080 1867 -0.260 1.263 0.324 2.183 -0.352 0.942 1868 0.123 -0.284 1.219 1.112 -0.949 -1.207 1869 0.614 -0.091 -0.477 1.783 0.103 0.826 1870 0.116 -0.889 0.555 0.014 -2.747 -0.535 1871 -0.574 -1.136 0.820 0.794 -0.776 -0.547 1872 -0.426 -1.715 0.099 0.413 -1.286 -0.549 1873 0.138 -1.042 0.740 0.485 -0.934 -0.723 1874 -0.446 -0.521 0.250 -0.276 -1.128 -1.964 1875 1.963 -0.656 0.169 0.268 -1.038 0.591 1876 0.561 -0.881 -0.389 -0.166 0.098 1.224 1877 0.470 -0.249 -0.641 0.813 0.261 0.010 1878 0.417 0.733 -0.503 0.323 0.903 0.213 1879 -1.257 -0.116 -0.722 -0.583 0.012 -1.440 1880 -0.494 -0.020 -1.084 -0.136 0.315 0.184 1881 0.464 1.182 -1.208 0.040 0.603 -0.243 1882 1.515 0.376 -0.221 -0.187 2.615 2.130 1883 1.410 0.236 0.433 0.003 1.785 2.094 1884 0.486 -1.035 1.701 1.216 1.044 1.488 1885 -0.690 -1.093 0.503 1.203 1.366 0.452 1886 0.355 -0.995 1.566 -0.982 -0.651 -0.258 1887 -0.633 -1.333 -1.258 -1.910 -2.174 -1.057 1888 0.045 0.281 1.644 0.542 -0.994 -0.521 1889 1.588 2.652 0.437 -0.434 1.061 0.975 1890 -0.705 0.844 -1.561 1.106 0.390 0.532 1891 0.654 0.974 0.499 0.985 -0.078 0.865 1892 1.122 1.633 0.238 -0.650 1.079 2.259 1893 -0.489 0.382 -0.521 -0.896 -0.510 1.737 1894 -1.627 -1.546 -1.871 -1.284 -0.910 0.091 1895 -0.568 -1.708 0.668 -0.068 -1.786 -1.321 1896 0.723 -0.118 -0.417 -1.132 0.762 -0.389 1897 1.010 0.626 -0.994 -0.159 2.066 0.419 1898 -0.358 -0.847 -0.798 0.666 0.977 0.637 1899 -0.090 -1.001 0.511 0.413 0.409 0.507 1900 -0.429 -0.659 1.584 1.914 0.568 -0.142 1901 1.168 0.613 1.784 -0.629 0.788 -1.350 1902 1.611 2.362 -0.508 -1.206 4.103 -0.665 1903 2.105 1.315 1.146 1.850 2.568 1.434 1904 1.429 1.409 -0.913 -1.896 0.836 2.457 1905 0.023 0.840 -0.041 1.700 1.754 0.077 1906 0.374 1.422 -0.098 -0.380 -0.081 0.627 1907 0.975 0.287 1.228 -0.254 0.549 2.605 1908 1.170 -0.347 1.055 1.393 0.770 2.077 1909 0.969 -0.791 1.781 -0.711 0.057 2.841 1910 -0.100 -0.922 0.173 -0.008 -1.531 1.359 1911 -1.535 -2.041 -2.123 -0.520 -1.134 -1.989 1912 1.769 -0.082 1.022 0.118 1.702 1.859 1913 0.130 -1.224 -0.413 0.088 0.745 -1.959 1914 -1.969 -1.359 -1.784 1.298 -0.376 -2.308 1915 1.892 0.848 0.243 0.062 1.748 0.965 1916 1.514 1.293 -0.448 -0.441 1.447 0.508 1917 0.516 -0.001 1.292 -2.332 -0.494 0.433 1918 -0.697 -0.711 -0.212 -1.090 -1.112 -0.632 1919 0.492 0.004 0.727 2.378 -0.459 0.586 1920 0.802 1.006 0.369 0.696 -0.614 0.139 1921 -0.237 -0.335 0.120 1.181 -0.866 -0.087 1922 1.199 -0.165 2.205 0.460 -0.805 0.485 1923 -0.356 -1.102 0.464 0.306 -0.510 1.214 1924 1.978 0.521 1.193 2.134 1.361 0.787 1925 -1.346 -0.889 -1.560 -2.450 0.175 -1.813 1926 -0.862 -0.425 -1.702 0.685 -0.439 -1.289 1927 1.907 1.762 -1.661 -0.370 0.238 1.705 1928 2.124 1.039 0.989 -0.171 1.517 1.831 1929 -0.087 0.126 2.437 0.947 1.315 1.063 1930 -1.466 0.277 0.632 0.976 -0.158 -1.166 1931 -0.482 0.184 0.066 0.251 -1.587 -1.506 1932 0.506 0.327 -0.953 0.169 -1.124 0.274 1933 -0.669 -0.681 -0.624 0.415 -1.994 -0.299 1934 0.733 0.378 0.822 -0.875 -2.400 -1.332 1935 0.598 0.397 -0.488 1.319 0.187 1.561 1936 -0.958 -0.890 -0.322 0.153 -2.162 -2.091 1937 1.891 1.114 -0.079 -0.952 -0.366 0.180 1938 2.865 1.348 0.273 0.052 0.516 0.914 1939 1.035 -0.287 0.570 -1.253 -0.237 0.765 1940 0.193 -0.014 -0.510 -0.184 -0.675 -0.526 1941 -1.159 -0.469 -0.930 1.305 -0.997 -1.241 1942 0.447 0.517 0.019 0.580 -0.136 0.004 1943 -0.138 -0.150 0.368 0.176 0.077 0.201 1944 -0.714 -0.182 -0.171 0.945 -0.204 -0.811 1945 0.692 2.118 0.141 0.610 1.860 2.011 1946 1.291 1.162 2.044 1.981 1.044 0.201 1947 0.203 0.094 0.692 1.079 -0.453 0.828 1948 0.083 -0.849 0.536 -0.321 -2.143 0.626 1949 1.140 -1.320 1.315 0.553 -0.859 0.664 1950 2.814 0.723 -0.770 -0.177 0.153 1.566 1951 2.383 0.434 -0.731 -0.436 1.066 1.638 1952 -0.543 -0.571 -0.264 -0.906 0.909 -0.824 1953 0.513 0.025 -0.254 -1.301 0.415 -1.130 1954 -0.837 -0.380 -0.755 -0.738 -0.096 -1.652 1955 0.282 -0.093 -1.474 -1.115 -0.334 0.546 1956 1.577 0.235 -0.300 -2.088 -0.716 -0.945 1957 0.800 -0.592 1.493 0.204 0.810 1.455 1958 1.588 0.392 1.462 0.054 0.532 0.226 1959 -1.091 -1.241 0.771 -0.222 -0.585 0.281 1960 0.231 1.414 0.688 -0.307 0.086 0.488 1961 1.212 0.487 1.082 0.224 0.642 0.043 1962 0.117 -1.249 0.656 0.146 -0.005 0.580 1963 -0.710 -1.085 0.655 -0.579 -0.164 -1.050 1964 -1.058 -2.433 -0.267 -0.748 -1.008 -0.781 1965 -0.409 -2.144 1.219 1.216 -0.728 0.403 1966 -1.523 -1.715 -0.047 0.397 -0.931 -0.702 1967 -0.534 -0.413 -0.117 -1.626 -1.730 0.326 1968 -0.657 -0.293 -0.377 1.643 -0.629 0.320 1969 -0.627 -0.046 0.636 0.182 0.241 0.352 1970 0.944 0.328 -0.700 0.621 -0.421 0.580 1971 0.452 -0.153 -0.306 -2.727 -0.595 0.097 1972 0.986 2.065 0.921 0.230 -0.122 -0.665