SWD Scores: southwest drought scores based on optimal interpolation YEAR SWD SCORES 1200 1.1139 1201 1.7279 1202 0.9109 1203 0.5599 1204 -0.7481 1205 -0.3921 1206 -0.7381 1207 0.0299 1208 -0.5721 1209 0.7949 1210 1.8679 1211 2.1169 1212 0.7539 1213 0.3599 1214 -0.6811 1215 -1.0221 1216 -0.3621 1217 -1.7231 1218 -1.5421 1219 -0.1921 1220 -0.4481 1221 -0.6201 1222 0.3629 1223 0.6219 1224 -0.2141 1225 -0.5921 1226 -0.0231 1227 -1.1481 1228 0.1819 1229 0.5329 1230 0.9409 1231 0.9289 1232 0.6019 1233 -0.5571 1234 -1.4441 1235 -0.1751 1236 -0.9451 1237 0.4419 1238 0.8259 1239 0.6659 1240 -0.7511 1241 1.0569 1242 1.1219 1243 0.3899 1244 0.5239 1245 -0.2821 1246 -0.8651 1247 -0.3641 1248 0.2929 1249 1.1019 1250 -0.6471 1251 -2.0171 1252 -1.2441 1253 -0.1451 1254 -2.2961 1255 -0.3161 1256 -0.6281 1257 -0.2981 1258 -1.7361 1259 0.0029 1260 -0.4461 1261 -0.6391 1262 0.2369 1263 0.1199 1264 0.2989 1265 0.9559 1266 -0.0921 1267 0.5109 1268 1.6179 1269 0.9429 1270 0.4149 1271 0.6499 1272 0.3059 1273 -1.2121 1274 -1.3201 1275 0.6029 1276 -1.1741 1277 -0.2791 1278 -1.1621 1279 -0.3151 1280 -1.5651 1281 -0.9991 1282 -0.7701 1283 -1.1441 1284 -0.1661 1285 -0.8571 1286 -1.3221 1287 -0.8591 1288 -1.2871 1289 -0.2821 1290 0.3929 1291 -0.7141 1292 -0.1081 1293 0.1249 1294 -0.2041 1295 -1.6331 1296 -0.3401 1297 -0.6501 1298 1.1049 1299 -0.2491 1300 0.3449 1301 1.3339 1302 1.4379 1303 0.8049 1304 0.2719 1305 1.7369 1306 1.0769 1307 0.0989 1308 -0.4831 1309 1.3139 1310 2.2119 1311 1.2429 1312 1.0509 1313 2.6799 1314 1.3609 1315 -0.2341 1316 -1.8051 1317 0.3049 1318 -0.3481 1319 0.5269 1320 1.4319 1321 0.9789 1322 0.6399 1323 -0.5371 1324 -0.3321 1325 2.4259 1326 1.8399 1327 1.1619 1328 0.4129 1329 0.3099 1330 0.6459 1331 1.2039 1332 1.1249 1333 1.9129 1334 1.3799 1335 -0.1201 1336 0.5129 1337 0.8689 1338 -2.0231 1339 -0.8691 1340 -1.0631 1341 -1.4521 1342 -1.1871 1343 -1.2161 1344 -1.0711 1345 -0.4621 1346 0.0619 1347 -1.6281 1348 -0.8591 1349 -0.6341 1350 -1.6821 1351 -0.8741 1352 -1.1081 1353 1.2729 1354 1.0919 1355 -0.4861 1356 0.7919 1357 0.8169 1358 1.9399 1359 1.5409 1360 -0.4641 1361 -0.1921 1362 -0.1441 1363 -1.2281 1364 -0.8721 1365 0.2729 1366 0.4569 1367 -0.3891 1368 1.4639 1369 0.0559 1370 1.5969 1371 0.7869 1372 1.5129 1373 0.7979 1374 1.9789 1375 0.1149 1376 -1.0491 1377 0.0179 1378 0.3959 1379 -0.1471 1380 1.5589 1381 0.7979 1382 0.2029 1383 1.4619 1384 0.1099 1385 0.8369 1386 0.9429 1387 0.1079 1388 0.3359 1389 -0.6181 1390 -1.3971 1391 -0.9051 1392 -0.0471 1393 -0.6011 1394 0.4659 1395 0.6279 1396 0.2219 1397 -0.8411 1398 -0.3691 1399 -1.8011 1400 -1.2591 1401 -0.8371 1402 -1.0191 1403 -1.4851 1404 0.2549 1405 -1.1571 1406 0.7879 1407 -0.7971 1408 -0.0791 1409 0.9449 1410 0.8699 1411 0.2329 1412 1.4319 1413 -0.4071 1414 1.1549 1415 -0.6891 1416 -0.3691 1417 -0.0321 1418 -0.1491 1419 -0.9231 1420 -0.1221 1421 -1.6411 1422 -0.7551 1423 -1.9051 1424 -0.8371 1425 -0.3891 1426 0.9379 1427 1.2639 1428 2.2209 1429 0.4859 1430 1.1869 1431 1.3009 1432 0.6669 1433 2.0179 1434 1.1469 1435 0.7029 1436 0.7179 1437 -0.0781 1438 -1.0391 1439 -0.2651 1440 0.2749 1441 0.7429 1442 -0.7131 1443 -0.4241 1444 -0.2861 1445 -1.5841 1446 -0.6461 1447 -0.2861 1448 -1.1751 1449 -0.9841 1450 -1.4541 1451 0.4759 1452 -0.0321 1453 0.5009 1454 0.0389 1455 -1.5191 1456 -0.8071 1457 -1.3881 1458 0.4819 1459 -0.7131 1460 0.1089 1461 -0.4131 1462 0.1819 1463 -0.3061 1464 -1.8871 1465 -1.0461 1466 0.3919 1467 1.1929 1468 0.9029 1469 0.4119 1470 -0.1831 1471 -1.9601 1472 -0.1631 1473 -0.4461 1474 0.2489 1475 -1.1681 1476 -0.2581 1477 0.0509 1478 0.4439 1479 -0.4511 1480 -1.9911 1481 -0.5071 1482 0.1619 1483 -0.6861 1484 1.5889 1485 1.2029 1486 2.0669 1487 -0.7481 1488 -0.1101 1489 1.0439 1490 0.8849 1491 2.0429 1492 0.6909 1493 -0.6031 1494 -0.0221 1495 -2.4731 1496 -1.0491 1497 -0.8741 1498 1.0099 1499 1.0809 1500 -0.9971 1501 -0.4211 1502 0.5219 1503 -0.3721 1504 0.5469 1505 0.9409 1506 -1.5241 1507 0.4289 1508 0.4189 1509 1.2979 1510 -0.2561 1511 1.4729 1512 0.7099 1513 0.8799 1514 1.2239 1515 1.2069 1516 -0.9531 1517 -1.3551 1518 0.4819 1519 0.9539 1520 1.3239 1521 1.9459 1522 -1.3511 1523 -0.5811 1524 -1.3071 1525 -0.7281 1526 0.8329 1527 0.0449 1528 -0.7741 1529 1.1209 1530 0.7059 1531 -0.2831 1532 -1.1201 1533 -0.6891 1534 -0.5261 1535 0.1689 1536 1.4639 1537 0.7039 1538 -1.4131 1539 0.5849 1540 1.1889 1541 0.6799 1542 -1.4291 1543 0.0439 1544 -0.1921 1545 -0.5851 1546 -0.4551 1547 -0.5901 1548 -0.4511 1549 0.4429 1550 1.0179 1551 0.0519 1552 0.4789 1553 1.5599 1554 0.8109 1555 1.5089 1556 1.6229 1557 0.7999 1558 -0.3351 1559 -0.4921 1560 -0.8921 1561 -0.8231 1562 -0.9271 1563 -0.6361 1564 0.1479 1565 1.2439 1566 0.4399 1567 -0.2381 1568 -0.1201 1569 0.6149 1570 0.2419 1571 0.0189 1572 0.2619 1573 -1.6741 1574 -0.9051 1575 -0.7931 1576 -1.3911 1577 -0.4611 1578 -0.7381 1579 -1.8461 1580 -1.5141 1581 -1.2861 1582 -0.8641 1583 -1.7031 1584 -2.3431 1585 -2.2601 1586 -0.7871 1587 -0.4401 1588 0.7119 1589 0.1129 1590 -1.1511 1591 -0.5311 1592 -0.3921 1593 -0.8701 1594 1.6009 1595 1.3849 1596 0.9239 1597 1.1559 1598 -0.4511 1599 0.3339 1600 -1.0021 1601 -1.7831 1602 -0.2241 1603 0.7489 1604 0.7879 1605 0.6919 1606 0.3409 1607 0.1039 1608 0.0699 1609 0.2089 1610 1.9229 1611 1.0509 1612 1.1049 1613 0.0279 1614 -0.2111 1615 0.1709 1616 -0.2961 1617 0.5709 1618 1.8159 1619 0.7429 1620 0.7799 1621 1.7339 1622 -0.1801 1623 -0.9911 1624 -1.8751 1625 -1.3791 1626 -1.0961 1627 0.0029 1628 -0.6521 1629 0.7739 1630 1.1179 1631 -0.2501 1632 -0.8571 1633 -0.2001 1634 0.7419 1635 0.6869 1636 0.4259 1637 0.6169 1638 -0.4841 1639 0.5939 1640 1.3069 1641 0.5929 1642 0.3159 1643 0.6889 1644 1.0299 1645 -0.6991 1646 0.5449 1647 1.0979 1648 -1.0831 1649 0.2399 1650 -0.4221 1651 1.1009 1652 0.5159 1653 -0.3301 1654 -2.0571 1655 0.4149 1656 0.1829 1657 0.2169 1658 -0.1841 1659 -0.1331 1660 0.4539 1661 1.0839 1662 0.7159 1663 0.3099 1664 -0.9601 1665 -0.0541 1666 -1.1401 1667 -1.6241 1668 -2.1171 1669 -1.2701 1670 -1.5931 1671 -0.3761 1672 -0.5671 1673 -0.1321 1674 0.2949 1675 -0.4611 1676 -0.6001 1677 0.5309 1678 0.9059 1679 -0.4351 1680 0.8019 1681 0.3629 1682 0.1809 1683 0.9369 1684 -0.9181 1685 -2.6421 1686 -0.6801 1687 0.1329 1688 0.2649 1689 1.5689 1690 0.9549 1691 0.0569 1692 0.9839 1693 0.8839 1694 -0.1971 1695 0.6589 1696 -1.1661 1697 0.1389 1698 -0.4061 1699 0.4779 1700 -0.2591 1701 1.1829 1702 0.2199 1703 0.2829 1704 -0.6961 1705 -0.9631 1706 0.5199 1707 -0.7681 1708 0.1639 1709 -1.2351 1710 1.3679 1711 0.0419 1712 1.3109 1713 0.2609 1714 0.1299 1715 -0.7351 1716 -1.5991 1717 -0.5421 1718 1.0469 1719 -0.2061 1720 2.0989 1721 1.7459 1722 0.5199 1723 0.1439 1724 -0.4421 1725 -0.2871 1726 1.7359 1727 0.4149 1728 -0.9831 1729 -2.3061 1730 -1.5951 1731 -0.7031 1732 -0.0641 1733 -1.7061 1734 0.5099 1735 -1.1971 1736 -0.5171 1737 -1.0901 1738 -0.3791 1739 -1.0291 1740 -0.6031 1741 0.0559 1742 -0.9291 1743 1.0799 1744 0.0829 1745 0.4519 1746 2.1479 1747 2.7219 1748 -1.6991 1749 0.6629 1750 -0.6081 1751 0.5349 1752 -1.5941 1753 -0.4181 1754 0.1419 1755 0.2289 1756 -0.2121 1757 -0.8751 1758 0.3199 1759 0.4799 1760 -0.1371 1761 0.4309 1762 1.4589 1763 -1.1421 1764 0.5239 1765 -0.3961 1766 1.0299 1767 -0.0631 1768 0.3059 1769 0.3829 1770 0.1269 1771 1.1809 1772 0.1699 1773 -1.5951 1774 -0.6371 1775 -0.7931 1776 -0.4331 1777 -0.9011 1778 -1.0821 1779 -0.9091 1780 -1.2721 1781 -0.5651 1782 -1.0381 1783 0.7509 1784 1.9349 1785 0.0009 1786 -1.1731 1787 0.2459 1788 -0.5721 1789 -1.7811 1790 -0.7451 1791 0.5089 1792 1.0039 1793 2.2219 1794 0.7319 1795 0.5439 1796 -0.0441 1797 -0.6041 1798 -0.6281 1799 0.1759 1800 0.2749 1801 -0.9741 1802 -0.0511 1803 -0.1881 1804 0.3519 1805 -1.0371 1806 -1.2261 1807 -0.0411 1808 -0.4291 1809 -0.6041 1810 -0.4921 1811 -0.2771 1812 -0.0711 1813 -0.8431 1814 -0.3051 1815 0.8119 1816 2.6079 1817 1.2039 1818 -1.0641 1819 -1.3871 1820 -2.0541 1821 -0.1831 1822 -1.3081 1823 -0.8801 1824 -1.1921 1825 0.1369 1826 0.7359 1827 1.0149 1828 1.5749 1829 0.2329 1830 0.4649 1831 0.2039 1832 -0.3071 1833 0.8489 1834 0.4959 1835 1.0169 1836 -0.1461 1837 0.8579 1838 0.8889 1839 1.8609 1840 1.6109 1841 0.7149 1842 -1.8211 1843 -0.0961 1844 0.6859 1845 -0.4711 1846 0.0529 1847 -2.4161 1848 -0.4511 1849 0.5319 1850 0.9989 1851 -1.4671 1852 0.2899 1853 0.1759 1854 -0.0681 1855 0.1629 1856 0.7919 1857 -0.1741 1858 0.8009 1859 -0.7881 1860 -0.2811 1861 -1.8821 1862 -0.6341 1863 -1.0731 1864 -0.8561 1865 -0.5461 1866 0.5639 1867 0.7699 1868 1.1709 1869 1.9419 1870 -0.1121 1871 -0.6501 1872 -0.2331 1873 -1.1181 1874 -0.6681 1875 -0.2661 1876 -0.3731 1877 -0.0541 1878 0.0359 1879 -0.8171 1880 -2.1171 1881 -0.8031 1882 0.0609 1883 -0.4751 1884 0.4149 1885 1.2029 1886 -0.1401 1887 -0.0531 1888 0.2659 1889 0.3009 1890 -0.0651 1891 1.0049 1892 0.2169 1893 -1.0681 1894 -1.1471 1895 0.2399 1896 -1.0341 1897 0.6899 1898 1.0959 1899 -1.0771 1900 -0.9341 1901 -0.1871 1902 -1.6881 1903 0.6829 1904 -1.8201 1905 0.8309 1906 0.4169 1907 1.5209 1908 1.0139 1909 -0.0531 1910 -0.7571 1911 0.7199 1912 0.9639 1913 -0.1141 1914 1.4529 1915 1.4899 1916 0.6819 1917 0.6169 1918 -0.3711 1919 1.3739 1920 1.9009 1921 1.3559 1922 -0.1721 1923 -0.5121 1924 0.3579 1925 -1.7401 1926 1.1869 1927 0.1289 1928 -0.0701 1929 -0.3611 1930 0.2739 1931 1.0249 1932 1.0459 1933 0.8549 1934 -1.1381 1935 -0.1431 1936 -0.2371 1937 0.7989 1938 0.0689 1939 -0.7641 1940 -0.2411 1941 1.7659 1942 1.3889 1943 0.0389 1944 0.4629 1945 -0.5561 1946 -1.6501 1947 -0.0621 1948 0.0919 1949 1.1629 1950 -0.6381 1951 -1.3371 1952 -0.2481 1953 -0.8281 1954 -1.4511 1955 -0.8951 1956 -2.1501 1957 -0.7841 1958 0.2249 1959 -0.7671 1960 0.2069 1961 -0.3341 1962 -0.4991 1963 -1.3641 1964 -1.1281 1965 0.2419 1966 -0.1871 1967 -0.6581 1968 0.1809 1969 0.0119 1970 0.5599 1971 -1.3591 1972 -0.7671 1973 0.3469 1974 -1.1521 1975 0.7009 1976 -0.5091 1977 -1.1001 1978 -0.2961 1979 0.8919 1980 0.5409 1981 0.1639 1982 0.6009 1983 1.8389 1984 1.6779 1985 2.8339 1986 3.0719 1987 2.6389 1988 2.9319 1989 -0.9661 1990 -0.3621 1991 0.8739 1992 -0.0481 1993 0.0819 1994 0.0029