St. Vrain River at Lyons, CO Platte River Basin Annual (Water Year, Oct-Sep) streamflow reconstruction Values in acre-feet Recon = reconstruction Observed = undepleted flow record from Northern Colorado Water Conservancy District and City of Longmont Recon Interval: 1571-1999 Observed Interval: 1896-1999 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/platte/stvrain.html ========== Year Recon Observed 1571 138854 -9999 1572 135998 -9999 1573 118224 -9999 1574 108610 -9999 1575 118630 -9999 1576 72489 -9999 1577 127948 -9999 1578 164642 -9999 1579 101950 -9999 1580 92511 -9999 1581 96410 -9999 1582 135792 -9999 1583 125026 -9999 1584 60126 -9999 1585 88876 -9999 1586 117804 -9999 1587 89591 -9999 1588 125484 -9999 1589 134713 -9999 1590 79803 -9999 1591 67232 -9999 1592 118014 -9999 1593 135417 -9999 1594 153174 -9999 1595 128242 -9999 1596 142576 -9999 1597 69764 -9999 1598 64597 -9999 1599 127557 -9999 1600 103054 -9999 1601 76378 -9999 1602 122616 -9999 1603 154117 -9999 1604 144587 -9999 1605 152514 -9999 1606 123380 -9999 1607 81060 -9999 1608 137114 -9999 1609 127859 -9999 1610 181094 -9999 1611 127578 -9999 1612 127679 -9999 1613 158769 -9999 1614 146802 -9999 1615 186407 -9999 1616 113814 -9999 1617 196264 -9999 1618 180365 -9999 1619 175606 -9999 1620 73199 -9999 1621 225519 -9999 1622 58632 -9999 1623 130070 -9999 1624 142669 -9999 1625 73348 -9999 1626 129103 -9999 1627 91086 -9999 1628 152256 -9999 1629 122020 -9999 1630 122655 -9999 1631 113304 -9999 1632 136697 -9999 1633 182885 -9999 1634 103628 -9999 1635 129258 -9999 1636 104581 -9999 1637 104883 -9999 1638 120974 -9999 1639 134910 -9999 1640 150353 -9999 1641 105737 -9999 1642 149278 -9999 1643 133816 -9999 1644 130964 -9999 1645 66299 -9999 1646 78588 -9999 1647 144890 -9999 1648 88748 -9999 1649 126031 -9999 1650 145448 -9999 1651 144954 -9999 1652 116363 -9999 1653 68900 -9999 1654 41800 -9999 1655 172066 -9999 1656 140116 -9999 1657 149113 -9999 1658 111527 -9999 1659 133868 -9999 1660 157806 -9999 1661 156314 -9999 1662 94540 -9999 1663 132396 -9999 1664 84282 -9999 1665 109089 -9999 1666 101287 -9999 1667 59363 -9999 1668 82184 -9999 1669 127425 -9999 1670 122310 -9999 1671 88657 -9999 1672 133069 -9999 1673 164075 -9999 1674 147192 -9999 1675 99236 -9999 1676 180002 -9999 1677 149285 -9999 1678 182579 -9999 1679 83707 -9999 1680 187295 -9999 1681 128057 -9999 1682 78965 -9999 1683 167659 -9999 1684 88164 -9999 1685 40855 -9999 1686 83683 -9999 1687 136232 -9999 1688 144629 -9999 1689 127727 -9999 1690 150363 -9999 1691 147486 -9999 1692 113945 -9999 1693 127144 -9999 1694 163057 -9999 1695 139478 -9999 1696 163271 -9999 1697 140893 -9999 1698 110528 -9999 1699 112866 -9999 1700 135972 -9999 1701 161004 -9999 1702 175164 -9999 1703 73968 -9999 1704 78215 -9999 1705 141632 -9999 1706 125904 -9999 1707 123741 -9999 1708 104675 -9999 1709 63047 -9999 1710 152848 -9999 1711 88915 -9999 1712 119064 -9999 1713 103034 -9999 1714 96285 -9999 1715 126741 -9999 1716 111189 -9999 1717 100745 -9999 1718 118599 -9999 1719 165816 -9999 1720 178846 -9999 1721 99616 -9999 1722 107221 -9999 1723 89424 -9999 1724 107375 -9999 1725 139753 -9999 1726 179055 -9999 1727 121268 -9999 1728 121654 -9999 1729 81759 -9999 1730 85088 -9999 1731 147844 -9999 1732 133238 -9999 1733 126475 -9999 1734 178983 -9999 1735 106370 -9999 1736 67329 -9999 1737 114803 -9999 1738 142822 -9999 1739 134796 -9999 1740 91963 -9999 1741 151729 -9999 1742 100652 -9999 1743 143239 -9999 1744 106222 -9999 1745 122596 -9999 1746 162321 -9999 1747 163308 -9999 1748 100035 -9999 1749 155287 -9999 1750 78183 -9999 1751 150146 -9999 1752 135838 -9999 1753 148495 -9999 1754 131980 -9999 1755 127426 -9999 1756 76943 -9999 1757 89507 -9999 1758 109852 -9999 1759 89343 -9999 1760 123561 -9999 1761 160920 -9999 1762 153381 -9999 1763 105527 -9999 1764 177294 -9999 1765 107669 -9999 1766 150603 -9999 1767 108217 -9999 1768 169823 -9999 1769 152047 -9999 1770 101337 -9999 1771 130721 -9999 1772 104590 -9999 1773 116502 -9999 1774 132145 -9999 1775 140443 -9999 1776 119077 -9999 1777 89636 -9999 1778 161665 -9999 1779 135777 -9999 1780 76563 -9999 1781 105513 -9999 1782 114464 -9999 1783 130374 -9999 1784 148199 -9999 1785 160904 -9999 1786 110066 -9999 1787 180619 -9999 1788 114454 -9999 1789 59956 -9999 1790 191180 -9999 1791 132712 -9999 1792 183982 -9999 1793 103904 -9999 1794 144694 -9999 1795 123086 -9999 1796 126976 -9999 1797 170464 -9999 1798 48386 -9999 1799 156876 -9999 1800 127657 -9999 1801 92225 -9999 1802 129284 -9999 1803 153093 -9999 1804 90945 -9999 1805 83924 -9999 1806 143454 -9999 1807 83103 -9999 1808 130952 -9999 1809 85829 -9999 1810 121587 -9999 1811 141531 -9999 1812 140714 -9999 1813 123786 -9999 1814 119918 -9999 1815 130178 -9999 1816 124469 -9999 1817 121064 -9999 1818 104825 -9999 1819 113713 -9999 1820 78197 -9999 1821 148802 -9999 1822 131103 -9999 1823 133405 -9999 1824 70547 -9999 1825 116145 -9999 1826 136723 -9999 1827 140784 -9999 1828 163216 -9999 1829 121251 -9999 1830 100406 -9999 1831 137303 -9999 1832 130034 -9999 1833 133515 -9999 1834 98395 -9999 1835 134829 -9999 1836 166228 -9999 1837 190340 -9999 1838 166294 -9999 1839 215705 -9999 1840 135316 -9999 1841 165683 -9999 1842 58085 -9999 1843 215454 -9999 1844 141075 -9999 1845 69393 -9999 1846 79408 -9999 1847 61729 -9999 1848 106715 -9999 1849 174714 -9999 1850 149851 -9999 1851 31742 -9999 1852 154810 -9999 1853 156278 -9999 1854 112253 -9999 1855 58302 -9999 1856 141151 -9999 1857 114667 -9999 1858 151403 -9999 1859 126496 -9999 1860 132967 -9999 1861 58486 -9999 1862 135953 -9999 1863 84312 -9999 1864 141293 -9999 1865 111103 -9999 1866 170478 -9999 1867 159448 -9999 1868 132110 -9999 1869 156069 -9999 1870 128101 -9999 1871 53654 -9999 1872 167910 -9999 1873 133624 -9999 1874 78969 -9999 1875 98108 -9999 1876 162005 -9999 1877 106715 -9999 1878 147426 -9999 1879 56960 -9999 1880 96334 -9999 1881 132290 -9999 1882 117396 -9999 1883 134749 -9999 1884 147830 -9999 1885 146416 -9999 1886 98933 -9999 1887 73207 -9999 1888 97467 -9999 1889 133371 -9999 1890 118517 -9999 1891 120891 -9999 1892 130322 -9999 1893 90598 -9999 1894 133981 -9999 1895 160097 -9999 1896 70749 113400 1897 158805 189600 1898 117001 111600 1899 112035 182600 1900 140882 162300 1901 111821 128000 1902 62876 69200 1903 153959 158600 1904 135160 162200 1905 137230 163100 1906 144849 145200 1907 172809 206800 1908 91277 86600 1909 148192 173600 1910 90277 74000 1911 94357 97300 1912 161457 154500 1913 117662 99500 1914 163735 194600 1915 136636 147100 1916 127254 125200 1917 151054 169000 1918 130909 133100 1919 65190 91300 1920 155709 139500 1921 180809 188000 1922 89355 81100 1923 161180 177500 1924 158968 182900 1925 66424 73000 1926 167961 179400 1927 129526 122600 1928 160450 134000 1929 98535 120800 1930 120179 104500 1931 124453 87100 1932 93590 87000 1933 122322 130800 1934 96572 77400 1935 123429 118400 1936 104597 140800 1937 109114 102900 1938 140776 151500 1939 102922 81100 1940 88053 70800 1941 158888 115000 1942 148643 164300 1943 147401 136200 1944 98877 110800 1945 137118 120400 1946 81356 75900 1947 165345 173300 1948 108353 98400 1949 148518 158300 1950 102081 85500 1951 150658 143800 1952 149513 167300 1953 113180 91700 1954 32158 47200 1955 124183 71000 1956 120920 89700 1957 163795 198000 1958 137472 112300 1959 114582 102400 1960 120226 104000 1961 101244 127400 1962 157847 106000 1963 91894 84800 1964 77715 72900 1965 157814 147800 1966 66771 57000 1967 139537 105700 1968 99265 95900 1969 145751 178200 1970 136331 133500 1971 128085 137000 1972 118637 95100 1973 159695 141300 1974 109929 92300 1975 150683 127500 1976 71541 76700 1977 69066 56100 1978 166328 138700 1979 170864 159100 1980 118460 184300 1981 83800 59600 1982 129618 121800 1983 187565 180779 1984 158032 172429 1985 141518 111869 1986 143137 143651 1987 132787 106642 1988 83224 86072 1989 128604 76340 1990 134275 111047 1991 133563 105809 1992 102208 88295 1993 137910 114129 1994 104749 88936 1995 168365 192144 1996 133006 141484 1997 156158 189879 1998 147420 130418 1999 151802 149532