Colorado River near Granby, CO Upper Colorado River Basin Annual (Water Year, Oct-Sep) streamflow reconstruction Values in acre-feet Recon = reconstruction Observed = undepleted flow record from Northern Colorado Water Conservancy Dist. Recon Interval: 1383-1999 Observed Interval: 1951-1999 PI: C. Woodhouse Reference: Woodhouse, C.A. and J.J. Lukas. 2006. Multi-century tree-ring reconstructions of Colorado streamflow for water resource planning. Climatic Change 78: 293-315. URL: http://treeflow.info/upco/coloradogranby.html ========== Year Recon Observed 1383 267616 -9999 1384 231063 -9999 1385 305116 -9999 1386 231174 -9999 1387 267034 -9999 1388 262523 -9999 1389 233439 -9999 1390 221143 -9999 1391 277598 -9999 1392 239033 -9999 1393 299051 -9999 1394 309003 -9999 1395 283108 -9999 1396 301224 -9999 1397 183172 -9999 1398 231411 -9999 1399 199128 -9999 1400 200763 -9999 1401 287417 -9999 1402 270395 -9999 1403 271858 -9999 1404 355580 -9999 1405 215028 -9999 1406 282321 -9999 1407 252282 -9999 1408 243396 -9999 1409 333174 -9999 1410 273961 -9999 1411 285186 -9999 1412 266619 -9999 1413 155415 -9999 1414 340957 -9999 1415 230191 -9999 1416 228926 -9999 1417 249343 -9999 1418 241702 -9999 1419 263937 -9999 1420 325747 -9999 1421 240554 -9999 1422 225689 -9999 1423 202868 -9999 1424 253061 -9999 1425 230685 -9999 1426 334775 -9999 1427 259945 -9999 1428 254566 -9999 1429 292102 -9999 1430 277238 -9999 1431 284955 -9999 1432 271754 -9999 1433 285990 -9999 1434 357210 -9999 1435 326050 -9999 1436 243428 -9999 1437 219423 -9999 1438 214562 -9999 1439 256470 -9999 1440 324338 -9999 1441 324736 -9999 1442 187253 -9999 1443 305443 -9999 1444 237050 -9999 1445 197762 -9999 1446 316203 -9999 1447 299936 -9999 1448 241387 -9999 1449 291396 -9999 1450 203592 -9999 1451 279467 -9999 1452 305794 -9999 1453 240007 -9999 1454 202580 -9999 1455 227393 -9999 1456 253253 -9999 1457 283402 -9999 1458 285670 -9999 1459 262743 -9999 1460 228032 -9999 1461 276520 -9999 1462 348177 -9999 1463 287147 -9999 1464 272396 -9999 1465 235681 -9999 1466 273832 -9999 1467 313381 -9999 1468 291562 -9999 1469 213746 -9999 1470 271100 -9999 1471 251478 -9999 1472 226799 -9999 1473 261943 -9999 1474 232500 -9999 1475 190997 -9999 1476 291632 -9999 1477 306718 -9999 1478 260222 -9999 1479 256008 -9999 1480 216595 -9999 1481 257221 -9999 1482 286221 -9999 1483 266843 -9999 1484 397704 -9999 1485 354230 -9999 1486 322204 -9999 1487 317104 -9999 1488 240484 -9999 1489 271552 -9999 1490 308282 -9999 1491 314427 -9999 1492 238946 -9999 1493 236781 -9999 1494 320305 -9999 1495 175602 -9999 1496 179311 -9999 1497 299981 -9999 1498 385815 -9999 1499 185138 -9999 1500 192924 -9999 1501 245046 -9999 1502 285710 -9999 1503 263900 -9999 1504 333235 -9999 1505 212933 -9999 1506 182342 -9999 1507 266740 -9999 1508 260850 -9999 1509 298053 -9999 1510 238117 -9999 1511 274719 -9999 1512 271305 -9999 1513 315234 -9999 1514 310580 -9999 1515 202929 -9999 1516 272658 -9999 1517 259564 -9999 1518 278268 -9999 1519 323849 -9999 1520 244975 -9999 1521 409315 -9999 1522 242312 -9999 1523 321274 -9999 1524 284184 -9999 1525 323275 -9999 1526 330980 -9999 1527 254122 -9999 1528 218103 -9999 1529 309667 -9999 1530 299104 -9999 1531 169571 -9999 1532 212633 -9999 1533 288193 -9999 1534 320261 -9999 1535 300049 -9999 1536 344733 -9999 1537 304419 -9999 1538 178793 -9999 1539 341078 -9999 1540 366605 -9999 1541 316310 -9999 1542 182638 -9999 1543 257628 -9999 1544 224017 -9999 1545 216081 -9999 1546 343473 -9999 1547 274771 -9999 1548 282327 -9999 1549 352869 -9999 1550 264350 -9999 1551 221604 -9999 1552 268639 -9999 1553 322235 -9999 1554 300523 -9999 1555 382800 -9999 1556 321006 -9999 1557 308098 -9999 1558 180983 -9999 1559 209352 -9999 1560 326262 -9999 1561 263246 -9999 1562 225798 -9999 1563 234358 -9999 1564 287701 -9999 1565 334625 -9999 1566 247891 -9999 1567 209671 -9999 1568 302887 -9999 1569 271061 -9999 1570 302986 -9999 1571 296389 -9999 1572 301257 -9999 1573 248244 -9999 1574 220000 -9999 1575 238424 -9999 1576 217984 -9999 1577 301054 -9999 1578 287598 -9999 1579 249062 -9999 1580 121600 -9999 1581 212541 -9999 1582 305667 -9999 1583 256267 -9999 1584 118508 -9999 1585 185297 -9999 1586 283350 -9999 1587 230653 -9999 1588 277790 -9999 1589 275896 -9999 1590 165251 -9999 1591 241632 -9999 1592 200638 -9999 1593 226012 -9999 1594 303062 -9999 1595 302263 -9999 1596 291054 -9999 1597 239206 -9999 1598 145958 -9999 1599 293209 -9999 1600 165404 -9999 1601 299563 -9999 1602 306633 -9999 1603 266275 -9999 1604 323465 -9999 1605 324064 -9999 1606 268288 -9999 1607 198960 -9999 1608 311549 -9999 1609 199972 -9999 1610 342188 -9999 1611 287485 -9999 1612 208105 -9999 1613 303303 -9999 1614 283104 -9999 1615 326839 -9999 1616 254517 -9999 1617 330733 -9999 1618 299678 -9999 1619 220385 -9999 1620 230941 -9999 1621 366374 -9999 1622 205200 -9999 1623 223380 -9999 1624 189883 -9999 1625 183488 -9999 1626 225443 -9999 1627 262082 -9999 1628 255437 -9999 1629 287742 -9999 1630 223537 -9999 1631 182843 -9999 1632 206980 -9999 1633 331709 -9999 1634 210882 -9999 1635 259528 -9999 1636 232131 -9999 1637 252468 -9999 1638 222872 -9999 1639 316032 -9999 1640 266719 -9999 1641 235455 -9999 1642 265428 -9999 1643 232049 -9999 1644 263755 -9999 1645 215260 -9999 1646 199318 -9999 1647 327279 -9999 1648 255237 -9999 1649 315095 -9999 1650 285080 -9999 1651 303970 -9999 1652 173207 -9999 1653 228781 -9999 1654 109511 -9999 1655 356627 -9999 1656 264221 -9999 1657 361527 -9999 1658 258642 -9999 1659 319698 -9999 1660 311879 -9999 1661 339069 -9999 1662 257457 -9999 1663 230111 -9999 1664 121075 -9999 1665 284554 -9999 1666 169308 -9999 1667 238324 -9999 1668 199637 -9999 1669 331195 -9999 1670 229163 -9999 1671 213707 -9999 1672 322613 -9999 1673 280064 -9999 1674 290431 -9999 1675 198170 -9999 1676 302128 -9999 1677 242610 -9999 1678 387183 -9999 1679 312658 -9999 1680 351960 -9999 1681 295677 -9999 1682 262990 -9999 1683 325275 -9999 1684 205468 -9999 1685 87668 -9999 1686 236510 -9999 1687 253915 -9999 1688 306126 -9999 1689 307181 -9999 1690 298609 -9999 1691 301297 -9999 1692 277115 -9999 1693 284582 -9999 1694 257586 -9999 1695 235885 -9999 1696 253201 -9999 1697 273149 -9999 1698 365069 -9999 1699 278522 -9999 1700 196336 -9999 1701 325811 -9999 1702 258225 -9999 1703 253114 -9999 1704 228588 -9999 1705 331259 -9999 1706 249067 -9999 1707 223301 -9999 1708 232011 -9999 1709 292822 -9999 1710 275530 -9999 1711 304156 -9999 1712 294655 -9999 1713 277821 -9999 1714 147073 -9999 1715 304757 -9999 1716 270155 -9999 1717 241722 -9999 1718 327213 -9999 1719 300924 -9999 1720 426210 -9999 1721 276636 -9999 1722 181578 -9999 1723 222314 -9999 1724 298645 -9999 1725 318536 -9999 1726 369970 -9999 1727 254129 -9999 1728 278593 -9999 1729 149449 -9999 1730 260044 -9999 1731 276175 -9999 1732 273681 -9999 1733 264915 -9999 1734 347433 -9999 1735 196103 -9999 1736 225279 -9999 1737 239231 -9999 1738 277672 -9999 1739 327818 -9999 1740 203934 -9999 1741 331034 -9999 1742 285911 -9999 1743 305949 -9999 1744 241724 -9999 1745 267804 -9999 1746 348664 -9999 1747 356200 -9999 1748 137716 -9999 1749 337622 -9999 1750 214111 -9999 1751 300734 -9999 1752 246498 -9999 1753 299127 -9999 1754 223031 -9999 1755 222494 -9999 1756 180866 -9999 1757 276826 -9999 1758 289309 -9999 1759 225786 -9999 1760 296750 -9999 1761 322813 -9999 1762 323563 -9999 1763 188514 -9999 1764 297601 -9999 1765 156982 -9999 1766 305571 -9999 1767 224998 -9999 1768 360465 -9999 1769 284298 -9999 1770 208250 -9999 1771 339962 -9999 1772 242471 -9999 1773 245548 -9999 1774 262256 -9999 1775 230871 -9999 1776 236865 -9999 1777 183466 -9999 1778 249023 -9999 1779 269394 -9999 1780 277022 -9999 1781 263277 -9999 1782 218329 -9999 1783 298912 -9999 1784 314472 -9999 1785 316701 -9999 1786 222976 -9999 1787 290267 -9999 1788 200528 -9999 1789 153189 -9999 1790 362509 -9999 1791 276796 -9999 1792 337992 -9999 1793 259803 -9999 1794 294465 -9999 1795 163387 -9999 1796 359092 -9999 1797 383113 -9999 1798 164059 -9999 1799 373057 -9999 1800 278897 -9999 1801 270009 -9999 1802 302002 -9999 1803 210750 -9999 1804 263154 -9999 1805 228546 -9999 1806 196618 -9999 1807 279224 -9999 1808 244731 -9999 1809 222009 -9999 1810 213947 -9999 1811 339075 -9999 1812 306557 -9999 1813 214424 -9999 1814 230471 -9999 1815 288770 -9999 1816 327441 -9999 1817 318194 -9999 1818 280334 -9999 1819 232806 -9999 1820 221661 -9999 1821 346264 -9999 1822 237615 -9999 1823 331916 -9999 1824 172247 -9999 1825 268665 -9999 1826 335295 -9999 1827 257267 -9999 1828 305917 -9999 1829 197925 -9999 1830 215040 -9999 1831 338427 -9999 1832 327633 -9999 1833 246508 -9999 1834 223943 -9999 1835 262612 -9999 1836 264581 -9999 1837 338723 -9999 1838 288200 -9999 1839 232461 -9999 1840 298876 -9999 1841 269866 -9999 1842 182315 -9999 1843 407056 -9999 1844 249694 -9999 1845 148998 -9999 1846 185184 -9999 1847 175901 -9999 1848 298797 -9999 1849 388617 -9999 1850 327449 -9999 1851 96184 -9999 1852 279261 -9999 1853 354475 -9999 1854 276292 -9999 1855 196647 -9999 1856 280174 -9999 1857 245247 -9999 1858 313589 -9999 1859 263274 -9999 1860 290237 -9999 1861 165973 -9999 1862 357248 -9999 1863 192605 -9999 1864 326957 -9999 1865 295315 -9999 1866 382786 -9999 1867 400938 -9999 1868 268874 -9999 1869 301463 -9999 1870 258525 -9999 1871 202582 -9999 1872 298210 -9999 1873 262781 -9999 1874 220913 -9999 1875 242431 -9999 1876 285845 -9999 1877 245325 -9999 1878 209016 -9999 1879 150142 -9999 1880 225019 -9999 1881 242078 -9999 1882 257121 -9999 1883 237362 -9999 1884 286992 -9999 1885 274966 -9999 1886 245763 -9999 1887 140255 -9999 1888 243802 -9999 1889 229002 -9999 1890 243014 -9999 1891 259925 -9999 1892 273158 -9999 1893 218510 -9999 1894 242076 -9999 1895 310243 -9999 1896 167041 -9999 1897 296093 -9999 1898 186513 -9999 1899 255739 -9999 1900 235506 -9999 1901 233857 -9999 1902 134746 -9999 1903 292402 -9999 1904 231630 -9999 1905 264753 -9999 1906 278352 -9999 1907 278006 -9999 1908 217164 -9999 1909 264984 -9999 1910 228448 -9999 1911 288794 -9999 1912 331295 -9999 1913 265279 -9999 1914 322499 -9999 1915 263463 -9999 1916 297470 -9999 1917 325933 -9999 1918 274958 -9999 1919 251870 -9999 1920 264275 -9999 1921 352984 -9999 1922 237800 -9999 1923 287219 -9999 1924 254278 -9999 1925 270490 -9999 1926 332704 -9999 1927 283586 -9999 1928 316572 -9999 1929 283881 -9999 1930 333473 -9999 1931 263048 -9999 1932 270895 -9999 1933 317177 -9999 1934 244813 -9999 1935 243390 -9999 1936 291956 -9999 1937 274802 -9999 1938 345176 -9999 1939 300007 -9999 1940 269260 -9999 1941 312179 -9999 1942 359204 -9999 1943 310623 -9999 1944 246146 -9999 1945 280899 -9999 1946 276806 -9999 1947 353861 -9999 1948 261251 -9999 1949 316266 -9999 1950 264104 -9999 1951 269526 264974 1952 299500 342501 1953 228622 220071 1954 116398 154677 1955 250612 204579 1956 277657 253845 1957 309501 394227 1958 316691 266281 1959 184044 232853 1960 294131 284338 1961 203409 243808 1962 349225 368879 1963 198625 200162 1964 232544 218672 1965 341538 331153 1966 214209 166872 1967 245496 252054 1968 209528 238249 1969 281903 288018 1970 290876 297711 1971 288394 308955 1972 231937 240611 1973 326698 312200 1974 331820 284876 1975 274745 259358 1976 209886 193217 1977 166979 156366 1978 296623 343181 1979 319657 301828 1980 297503 259116 1981 219347 152626 1982 290878 262781 1983 348068 405816 1984 364298 426514 1985 340976 272593 1986 324759 378907 1987 278623 176352 1988 235698 255922 1989 216276 191154 1990 211143 239037 1991 282192 246508 1992 263460 222404 1993 305338 320536 1994 193376 231064 1995 363694 374136 1996 312986 327906 1997 324472 392858 1998 212756 252631 1999 292242 274101