Gunnison River near Grand Junction, CO Upper Colorado River Basin Annual (Water Year, Oct-Sep) streamflow reconstruction Values in acre-feet Recon = reconstruction Observed = natural flow record from Bureau of Reclamation Recon Interval: 1569-1997 Observed Interval: 1906-1995 PI: C. Woodhouse, S. Gray, D. Meko Reference: Woodhouse, C.A., S.T. Gray, and D.M. Meko. 2006. Updated streamflow reconstructions for the Upper Colorado River basin. Water Resources Research 42, W05415 URL: http://treeflow.info/upco/gunnisongrandjct.html Add'l Info: http://www.ncdc.noaa.gov/paleo/pubs/woodhouse2006/woodhouse2006.html Note: Reconstruction below is "Full-Pool" model ========== Year Recon Observed 1569 2046024 -9999 1570 2712935 -9999 1571 2427504 -9999 1572 2826620 -9999 1573 1563215 -9999 1574 1051118 -9999 1575 2834005 -9999 1576 1591235 -9999 1577 2867437 -9999 1578 2667469 -9999 1579 1653300 -9999 1580 1076589 -9999 1581 2250205 -9999 1582 2167230 -9999 1583 2024032 -9999 1584 438145 -9999 1585 1884270 -9999 1586 2785773 -9999 1587 2166977 -9999 1588 2960822 -9999 1589 2618669 -9999 1590 808925 -9999 1591 1848392 -9999 1592 1661278 -9999 1593 2392298 -9999 1594 2996484 -9999 1595 3014916 -9999 1596 3055995 -9999 1597 2032225 -9999 1598 487361 -9999 1599 3253079 -9999 1600 913131 -9999 1601 2874911 -9999 1602 2871681 -9999 1603 3151375 -9999 1604 3324907 -9999 1605 3159484 -9999 1606 2523177 -9999 1607 1156730 -9999 1608 3228873 -9999 1609 2360831 -9999 1610 2892760 -9999 1611 2674943 -9999 1612 2322974 -9999 1613 3121404 -9999 1614 2794348 -9999 1615 2770129 -9999 1616 2825369 -9999 1617 2998997 -9999 1618 3042448 -9999 1619 2448705 -9999 1620 2473212 -9999 1621 3516258 -9999 1622 1652832 -9999 1623 1875064 -9999 1624 1476486 -9999 1625 1519906 -9999 1626 1358639 -9999 1627 2587165 -9999 1628 2051071 -9999 1629 2294293 -9999 1630 2439261 -9999 1631 1523855 -9999 1632 1502079 -9999 1633 3362933 -9999 1634 1962553 -9999 1635 1963266 -9999 1636 2239032 -9999 1637 2063488 -9999 1638 1880519 -9999 1639 2606139 -9999 1640 2726627 -9999 1641 2230091 -9999 1642 2680641 -9999 1643 2073103 -9999 1644 2991881 -9999 1645 951296 -9999 1646 1533038 -9999 1647 2591602 -9999 1648 2134318 -9999 1649 3103240 -9999 1650 2809802 -9999 1651 2700412 -9999 1652 2219425 -9999 1653 1302762 -9999 1654 1088622 -9999 1655 3665954 -9999 1656 1584105 -9999 1657 1965181 -9999 1658 1513397 -9999 1659 2527837 -9999 1660 2726175 -9999 1661 2494901 -9999 1662 2775077 -9999 1663 2252774 -9999 1664 1867098 -9999 1665 2041329 -9999 1666 1706417 -9999 1667 1769422 -9999 1668 1734726 -9999 1669 3379231 -9999 1670 1649181 -9999 1671 1559559 -9999 1672 3220325 -9999 1673 2798198 -9999 1674 2866332 -9999 1675 1763607 -9999 1676 3062549 -9999 1677 2043916 -9999 1678 3599530 -9999 1679 2052000 -9999 1680 3595097 -9999 1681 2649253 -9999 1682 1888528 -9999 1683 3517637 -9999 1684 1489796 -9999 1685 230871 -9999 1686 1518667 -9999 1687 2628740 -9999 1688 3259034 -9999 1689 2627799 -9999 1690 2668344 -9999 1691 2789715 -9999 1692 2683440 -9999 1693 2933228 -9999 1694 2179536 -9999 1695 2178707 -9999 1696 2596529 -9999 1697 2345514 -9999 1698 3158714 -9999 1699 3065734 -9999 1700 1890234 -9999 1701 3463049 -9999 1702 2416989 -9999 1703 2023120 -9999 1704 1573498 -9999 1705 2783428 -9999 1706 1660265 -9999 1707 1720663 -9999 1708 1519399 -9999 1709 2984759 -9999 1710 2619366 -9999 1711 2351636 -9999 1712 2452218 -9999 1713 2030126 -9999 1714 1001104 -9999 1715 2817514 -9999 1716 2408353 -9999 1717 1753045 -9999 1718 2678817 -9999 1719 3229224 -9999 1720 3954377 -9999 1721 1885564 -9999 1722 942958 -9999 1723 2497668 -9999 1724 2428323 -9999 1725 3030220 -9999 1726 3643781 -9999 1727 2694630 -9999 1728 1914808 -9999 1729 1064170 -9999 1730 2078802 -9999 1731 2234594 -9999 1732 1897410 -9999 1733 2469034 -9999 1734 3050328 -9999 1735 615982 -9999 1736 1566942 -9999 1737 1989432 -9999 1738 2707023 -9999 1739 2424236 -9999 1740 1658835 -9999 1741 2739329 -9999 1742 2519512 -9999 1743 2914117 -9999 1744 1669219 -9999 1745 2641100 -9999 1746 2808714 -9999 1747 3297950 -9999 1748 1129285 -9999 1749 2940521 -9999 1750 1716452 -9999 1751 2509982 -9999 1752 1852582 -9999 1753 3140959 -9999 1754 2144302 -9999 1755 1656071 -9999 1756 1142265 -9999 1757 1898854 -9999 1758 2553047 -9999 1759 1814568 -9999 1760 2949740 -9999 1761 2817781 -9999 1762 3046171 -9999 1763 1459996 -9999 1764 3143946 -9999 1765 1237326 -9999 1766 2748874 -9999 1767 2122341 -9999 1768 3331396 -9999 1769 2981326 -9999 1770 2338646 -9999 1771 3073396 -9999 1772 1301527 -9999 1773 1016420 -9999 1774 2333607 -9999 1775 2390911 -9999 1776 1939444 -9999 1777 2055190 -9999 1778 1414215 -9999 1779 2313057 -9999 1780 1921244 -9999 1781 2208195 -9999 1782 1297694 -9999 1783 2517908 -9999 1784 3082431 -9999 1785 2494448 -9999 1786 1502332 -9999 1787 2886867 -9999 1788 2070173 -9999 1789 1838976 -9999 1790 3484062 -9999 1791 3052102 -9999 1792 3070272 -9999 1793 2184308 -9999 1794 2195786 -9999 1795 1688605 -9999 1796 2908114 -9999 1797 3110571 -9999 1798 613100 -9999 1799 3319864 -9999 1800 2450813 -9999 1801 1858190 -9999 1802 2804204 -9999 1803 1851488 -9999 1804 1761780 -9999 1805 1941640 -9999 1806 1767104 -9999 1807 2849351 -9999 1808 2501299 -9999 1809 1953345 -9999 1810 2662208 -9999 1811 3457631 -9999 1812 2394765 -9999 1813 1962527 -9999 1814 1538986 -9999 1815 2966428 -9999 1816 3201333 -9999 1817 2636013 -9999 1818 1985273 -9999 1819 2492320 -9999 1820 1884165 -9999 1821 2832207 -9999 1822 1863907 -9999 1823 2597755 -9999 1824 1018601 -9999 1825 2627229 -9999 1826 3095191 -9999 1827 2373937 -9999 1828 3686106 -9999 1829 1252440 -9999 1830 2517886 -9999 1831 2740238 -9999 1832 3332693 -9999 1833 2063111 -9999 1834 1606388 -9999 1835 2583297 -9999 1836 2549665 -9999 1837 3414595 -9999 1838 3363044 -9999 1839 3071328 -9999 1840 3334260 -9999 1841 3017628 -9999 1842 1386143 -9999 1843 2843837 -9999 1844 2465146 -9999 1845 747886 -9999 1846 1493448 -9999 1847 1276553 -9999 1848 2456087 -9999 1849 3999413 -9999 1850 2678613 -9999 1851 832701 -9999 1852 2750904 -9999 1853 3229233 -9999 1854 2686856 -9999 1855 1346515 -9999 1856 2567351 -9999 1857 2225258 -9999 1858 2808838 -9999 1859 2391857 -9999 1860 2845074 -9999 1861 534427 -9999 1862 3835209 -9999 1863 1889229 -9999 1864 2257810 -9999 1865 2643540 -9999 1866 4109899 -9999 1867 3483390 -9999 1868 2762975 -9999 1869 2421630 -9999 1870 2176999 -9999 1871 1182861 -9999 1872 2866059 -9999 1873 2181018 -9999 1874 1776487 -9999 1875 2282484 -9999 1876 2125364 -9999 1877 2077112 -9999 1878 2282470 -9999 1879 1220509 -9999 1880 1990534 -9999 1881 2242509 -9999 1882 1988579 -9999 1883 1825988 -9999 1884 3276979 -9999 1885 3092427 -9999 1886 2234460 -9999 1887 1265921 -9999 1888 2063640 -9999 1889 1395015 -9999 1890 2465957 -9999 1891 2619404 -9999 1892 2485948 -9999 1893 1900650 -9999 1894 2122466 -9999 1895 2583616 -9999 1896 1342603 -9999 1897 2997265 -9999 1898 2330394 -9999 1899 1872431 -9999 1900 1633703 -9999 1901 2264353 -9999 1902 826740 -9999 1903 2824305 -9999 1904 1865676 -9999 1905 2915819 -9999 1906 2970202 3185901 1907 2918892 2846692 1908 1868325 1756924 1909 2722990 3046804 1910 1974106 2291499 1911 2719834 2477501 1912 2750386 3178428 1913 2170346 2145502 1914 3523121 3075685 1915 2185545 2087022 1916 2548328 2848242 1917 3047361 3246981 1918 2166026 2467247 1919 2276443 2132025 1920 2855776 3461115 1921 3134922 3178404 1922 2148647 2809656 1923 2582795 2833586 1924 2212509 2434442 1925 1884215 2171178 1926 2576862 2450477 1927 2795441 2834739 1928 2530431 2920202 1929 2818218 3497455 1930 2516595 2531890 1931 1894949 1228828 1932 2945839 2718944 1933 2025661 1925146 1934 835367 1073892 1935 2372637 1865669 1936 1918404 2241663 1937 2358511 1951228 1938 2849999 2961929 1939 1885588 1882771 1940 2114550 1514364 1941 2865264 2792918 1942 3330147 3373483 1943 2255561 2213933 1944 2282683 2659884 1945 1902738 2301424 1946 1320774 1704455 1947 2709892 2329769 1948 2505699 2877115 1949 2974910 2600620 1950 1979261 1823802 1951 1670259 1670474 1952 3209541 3173990 1953 1797911 1793917 1954 970703 1143434 1955 2259491 1508109 1956 1671345 1592253 1957 3345211 3693918 1958 2423621 2834841 1959 1093945 1381881 1960 2404573 1855431 1961 1394999 1500348 1962 2928674 2658680 1963 1624840 1343031 1964 1990429 1785738 1965 2843369 3015591 1966 2049286 1799249 1967 1860395 1554922 1968 1918399 2138645 1969 2585563 2349896 1970 2681970 2848536 1971 2009887 2335469 1972 1691274 1624027 1973 3168327 2741974 1974 2318688 2020381 1975 2741909 2409973 1976 1887776 1626069 1977 579876 779000 1978 3060099 2323534 1979 2760776 2819462 1980 2268171 2740567 1981 1704102 1178243 1982 3010224 2566322 1983 3574478 3579503 1984 3457713 4292354 1985 3315325 3567799 1986 3513229 3364989 1987 2751563 2932765 1988 1973581 1696709 1989 1830557 1661817 1990 1595291 1359727 1991 2784522 2107930 1992 2474660 2008891 1993 2955624 3364633 1994 1810660 1934581 1995 3263329 3821887 1996 2496104 -9999 1997 2776117 -9999