TreeFlow Colorado Streamflow Reconstructions ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE CONTRIBUTORS WHEN USING THIS DATA!!!!! NAME OF DATA SET: TreeFlow Colorado Streamflow Reconstructions LAST UPDATE: 5/2004 (Seven gage station reconstructions updated to 2002) CONTRIBUTORS: Connie Woodhouse and Robin Webb, NOAA, Jeff Lukas, University of Colorado IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2004-029 SUGGESTED DATA CITATION: Woodhouse, C.A., et al. 2004. TreeFlow Colorado Streamflow Reconstructions. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2004-029. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Woodhouse, C.A. and J.J. Lukas. 2006. Multi-Century Tree-Ring Reconstructions of Colorado Streamflow for Water Resource Planning. Climatic Change, Vol. 78, No 2-4, pp. 293-315, October 2006. DOI: 10.1007/s10584-006-9055-0 GEOGRAPHIC REGION: North-central Colorado, USA, South Platte and Colorado River Basins PERIOD OF RECORD: 1383-2002 AD DESCRIPTION: Tree-ring-based reconstructions of streamflow at 15 gaging stations in the South Platte and Colorado River Basins of north-central Colorado, USA. For details see the TreeFlow website at: http://treeflow.info/ DATA: Big Thompson River at Canyon Mouth Annual (Water Year, Oct-Sep) streamflow reconstruction Values in 1000 acre-feet Rec'n = reconstruction 95%CI- = lower 95% confidence interval* 95%CI+ = upper 95% confidence interval* Gage = undepleted flow gage record from Northern Colorado Water Conservancy District *see TreeFlow Case Study web page for description Year Rec'n 95%CI- 95%CI+ Gage 1569 157.279 133.630 180.928 1570 147.996 124.347 171.645 1571 129.381 105.732 153.030 1572 181.261 157.612 204.910 1573 115.584 91.935 139.233 1574 109.052 85.403 132.701 1575 92.384 68.735 116.033 1576 74.874 51.225 98.523 1577 169.891 146.242 193.540 1578 199.617 175.968 223.266 1579 74.995 51.346 98.644 1580 83.329 59.680 106.978 1581 96.111 72.462 119.760 1582 132.876 109.227 156.525 1583 115.664 92.015 139.313 1584 45.819 22.170 69.468 1585 93.971 70.322 117.620 1586 111.117 87.468 134.766 1587 118.106 94.457 141.755 1588 168.743 145.094 192.392 1589 163.594 139.945 187.243 1590 63.305 39.656 86.954 1591 72.308 48.659 95.957 1592 113.127 89.478 136.776 1593 123.399 99.750 147.048 1594 201.165 177.516 224.814 1595 161.086 137.437 184.735 1596 170.441 146.792 194.090 1597 61.133 37.484 84.782 1598 52.866 29.217 76.515 1599 151.178 127.529 174.827 1600 92.679 69.030 116.328 1601 116.316 92.667 139.965 1602 169.908 146.259 193.557 1603 189.098 165.449 212.747 1604 141.192 117.543 164.841 1605 185.655 162.006 209.304 1606 132.153 108.504 155.802 1607 112.916 89.267 136.565 1608 143.751 120.102 167.400 1609 131.816 108.167 155.465 1610 200.344 176.695 223.993 1611 108.215 84.566 131.864 1612 94.724 71.075 118.373 1613 173.089 149.440 196.738 1614 145.165 121.516 168.814 1615 158.267 134.618 181.916 1616 81.514 57.865 105.163 1617 163.135 139.486 186.784 1618 160.826 137.177 184.475 1619 170.501 146.852 194.150 1620 79.490 55.841 103.139 1621 217.143 193.494 240.792 1622 39.368 15.719 63.017 1623 107.511 83.862 131.160 1624 82.903 59.254 106.552 1625 70.286 46.637 93.935 1626 83.130 59.481 106.779 1627 100.796 77.147 124.445 1628 117.477 93.828 141.126 1629 122.854 99.205 146.503 1630 93.522 69.873 117.171 1631 105.407 81.758 129.056 1632 124.146 100.497 147.795 1633 159.960 136.311 183.609 1634 124.754 101.105 148.403 1635 104.289 80.640 127.938 1636 110.469 86.820 134.118 1637 89.991 66.342 113.640 1638 83.014 59.365 106.663 1639 130.651 107.002 154.300 1640 119.783 96.134 143.432 1641 112.434 88.785 136.083 1642 153.545 129.896 177.194 1643 123.977 100.328 147.626 1644 106.695 83.046 130.344 1645 43.417 19.768 67.066 1646 77.409 53.760 101.058 1647 156.137 132.488 179.786 1648 110.554 86.905 134.203 1649 123.191 99.542 146.840 1650 143.977 120.328 167.626 1651 140.191 116.542 163.840 1652 63.480 39.831 87.129 1653 65.783 42.134 89.432 1654 46.815 23.166 70.464 1655 186.199 162.550 209.848 1656 117.954 94.305 141.603 1657 139.303 115.654 162.952 1658 115.512 91.863 139.161 1659 132.349 108.700 155.998 1660 123.159 99.510 146.808 1661 149.005 125.356 172.654 1662 105.916 82.267 129.565 1663 123.118 99.469 146.767 1664 70.156 46.507 93.805 1665 93.420 69.771 117.069 1666 107.839 84.190 131.488 1667 92.029 68.380 115.678 1668 47.955 24.306 71.604 1669 102.689 79.040 126.338 1670 96.344 72.695 119.993 1671 103.628 79.979 127.277 1672 146.052 122.403 169.701 1673 150.414 126.765 174.063 1674 146.282 122.633 169.931 1675 100.594 76.945 124.243 1676 162.222 138.573 185.871 1677 149.876 126.227 173.525 1678 183.905 160.256 207.554 1679 90.146 66.497 113.795 1680 206.365 182.716 230.014 1681 117.324 93.675 140.973 1682 70.564 46.915 94.213 1683 154.807 131.158 178.456 1684 48.969 25.320 72.618 1685 30.031 6.382 53.680 1686 124.955 101.306 148.604 1687 130.253 106.604 153.902 1688 150.638 126.989 174.287 1689 170.016 146.367 193.665 1690 146.055 122.406 169.704 1691 138.481 114.832 162.130 1692 138.761 115.112 162.410 1693 147.760 124.111 171.409 1694 138.571 114.922 162.220 1695 132.366 108.717 156.015 1696 129.403 105.754 153.052 1697 98.635 74.986 122.284 1698 137.165 113.516 160.814 1699 143.589 119.940 167.238 1700 113.881 90.232 137.530 1701 165.096 141.447 188.745 1702 157.881 134.232 181.530 1703 101.181 77.532 124.830 1704 90.277 66.628 113.926 1705 216.474 192.825 240.123 1706 130.450 106.801 154.099 1707 110.533 86.884 134.182 1708 80.915 57.266 104.564 1709 70.423 46.774 94.072 1710 135.067 111.418 158.716 1711 116.133 92.484 139.782 1712 142.158 118.509 165.807 1713 149.172 125.523 172.821 1714 99.277 75.628 122.926 1715 123.695 100.046 147.344 1716 135.157 111.508 158.806 1717 99.806 76.157 123.455 1718 139.216 115.567 162.865 1719 164.600 140.951 188.249 1720 214.861 191.212 238.510 1721 143.237 119.588 166.886 1722 66.545 42.896 90.194 1723 67.773 44.124 91.422 1724 102.817 79.168 126.466 1725 150.727 127.078 174.376 1726 176.352 152.703 200.001 1727 126.376 102.727 150.025 1728 115.979 92.330 139.628 1729 77.127 53.478 100.776 1730 91.994 68.345 115.643 1731 165.672 142.023 189.321 1732 152.016 128.367 175.665 1733 129.520 105.871 153.169 1734 193.332 169.683 216.981 1735 79.781 56.132 103.430 1736 100.887 77.238 124.536 1737 108.554 84.905 132.203 1738 139.159 115.510 162.808 1739 113.465 89.816 137.114 1740 71.815 48.166 95.464 1741 138.122 114.473 161.771 1742 95.583 71.934 119.232 1743 140.224 116.575 163.873 1744 95.529 71.880 119.178 1745 119.544 95.895 143.193 1746 164.103 140.454 187.752 1747 163.181 139.532 186.830 1748 46.836 23.187 70.485 1749 170.371 146.722 194.020 1750 89.879 66.230 113.528 1751 129.776 106.127 153.425 1752 110.501 86.852 134.150 1753 132.161 108.512 155.810 1754 111.286 87.637 134.935 1755 108.971 85.322 132.620 1756 79.006 55.357 102.655 1757 80.251 56.602 103.900 1758 135.318 111.669 158.967 1759 120.057 96.408 143.706 1760 119.927 96.278 143.576 1761 177.384 153.735 201.033 1762 141.311 117.662 164.960 1763 93.878 70.229 117.527 1764 149.912 126.263 173.561 1765 84.695 61.046 108.344 1766 154.060 130.411 177.709 1767 110.756 87.107 134.405 1768 180.793 157.144 204.442 1769 136.587 112.938 160.236 1770 85.280 61.631 108.929 1771 154.388 130.739 178.037 1772 109.022 85.373 132.671 1773 79.316 55.667 102.965 1774 130.491 106.842 154.140 1775 133.200 109.551 156.849 1776 142.745 119.096 166.394 1777 97.804 74.155 121.453 1778 137.161 113.512 160.810 1779 134.946 111.297 158.595 1780 84.364 60.715 108.013 1781 121.476 97.827 145.125 1782 129.917 106.268 153.566 1783 136.323 112.674 159.972 1784 165.498 141.849 189.147 1785 159.405 135.756 183.054 1786 84.312 60.663 107.961 1787 176.098 152.449 199.747 1788 68.825 45.176 92.474 1789 57.210 33.561 80.859 1790 158.693 135.044 182.342 1791 132.365 108.716 156.014 1792 180.451 156.802 204.100 1793 149.881 126.232 173.530 1794 166.108 142.459 189.757 1795 100.886 77.237 124.535 1796 119.728 96.079 143.377 1797 144.231 120.582 167.880 1798 47.281 23.632 70.930 1799 182.079 158.430 205.728 1800 133.146 109.497 156.795 1801 96.694 73.045 120.343 1802 122.913 99.264 146.562 1803 119.516 95.867 143.165 1804 114.884 91.235 138.533 1805 61.213 37.564 84.862 1806 128.739 105.090 152.388 1807 121.716 98.067 145.365 1808 96.544 72.895 120.193 1809 92.005 68.356 115.654 1810 127.738 104.089 151.387 1811 126.577 102.928 150.226 1812 111.236 87.587 134.885 1813 87.515 63.866 111.164 1814 130.804 107.155 154.453 1815 120.591 96.942 144.240 1816 146.564 122.915 170.213 1817 143.849 120.200 167.498 1818 84.891 61.242 108.540 1819 112.917 89.268 136.566 1820 58.029 34.380 81.678 1821 150.016 126.367 173.665 1822 128.200 104.551 151.849 1823 138.434 114.785 162.083 1824 62.125 38.476 85.774 1825 146.252 122.603 169.901 1826 133.894 110.245 157.543 1827 117.067 93.418 140.716 1828 190.547 166.898 214.196 1829 113.869 90.220 137.518 1830 118.742 95.093 142.391 1831 144.285 120.636 167.934 1832 157.668 134.019 181.317 1833 120.101 96.452 143.750 1834 107.645 83.996 131.294 1835 132.907 109.258 156.556 1836 195.096 171.447 218.745 1837 168.767 145.118 192.416 1838 179.144 155.495 202.793 1839 174.309 150.660 197.958 1840 79.747 56.098 103.396 1841 135.565 111.916 159.214 1842 50.813 27.164 74.462 1843 189.687 166.038 213.336 1844 144.880 121.231 168.529 1845 41.471 17.822 65.120 1846 88.657 65.008 112.306 1847 42.893 19.244 66.542 1848 112.807 89.158 136.456 1849 181.437 157.788 205.086 1850 127.343 103.694 150.992 1851 47.896 24.247 71.545 1852 120.669 97.020 144.318 1853 158.226 134.577 181.875 1854 88.001 64.352 111.650 1855 59.243 35.594 82.892 1856 119.773 96.124 143.422 1857 125.638 101.989 149.287 1858 144.803 121.154 168.452 1859 135.300 111.651 158.949 1860 145.250 121.601 168.899 1861 37.415 13.766 61.064 1862 188.960 165.311 212.609 1863 55.245 31.596 78.894 1864 139.579 115.930 163.228 1865 127.015 103.366 150.664 1866 174.215 150.566 197.864 1867 161.872 138.223 185.521 1868 99.514 75.865 123.163 1869 154.697 131.048 178.346 1870 84.538 60.889 108.187 1871 54.209 30.560 77.858 1872 153.527 129.878 177.176 1873 85.095 61.446 108.744 1874 91.437 67.788 115.086 1875 121.063 97.414 144.712 1876 130.556 106.907 154.205 1877 133.728 110.079 157.377 1878 148.774 125.125 172.423 1879 33.163 9.514 56.812 1880 48.291 24.642 71.940 1881 115.600 91.951 139.249 1882 111.772 88.123 135.421 1883 100.505 76.856 124.154 1884 139.773 116.124 163.422 1885 149.917 126.268 173.566 1886 121.780 98.131 145.429 1887 49.255 25.606 72.904 1888 112.505 88.856 136.154 1889 127.041 103.392 150.690 1890 146.395 122.746 170.044 1891 150.510 126.861 174.159 1892 154.076 130.427 177.725 1893 62.026 38.377 85.675 1894 111.277 87.628 134.926 1895 163.599 139.950 187.248 1896 67.220 43.571 90.869 1897 175.265 151.616 198.914 1898 95.902 72.253 119.551 1899 93.926 70.277 117.575 1900 148.136 124.487 171.785 1901 121.369 97.720 145.018 1902 78.722 55.073 102.371 1903 170.491 146.842 194.140 1904 90.060 66.411 113.709 1905 156.010 132.361 179.659 1906 137.387 113.738 161.036 1907 151.436 127.787 175.085 1908 91.295 67.646 114.944 1909 172.633 148.984 196.282 1910 88.382 64.733 112.031 1911 130.460 106.811 154.109 1912 190.157 166.508 213.806 1913 136.395 112.746 160.044 1914 181.399 157.750 205.048 1915 126.115 102.466 149.764 1916 127.637 103.988 151.286 1917 158.470 134.821 182.119 1918 151.296 127.647 174.945 1919 70.068 46.419 93.717 1920 171.750 148.101 195.399 1921 178.139 154.490 201.788 1922 52.785 29.136 76.434 1923 161.337 137.688 184.986 1924 152.210 128.561 175.859 1925 45.203 21.554 68.852 1926 185.557 161.908 209.206 1927 149.902 126.253 173.551 1928 145.333 121.684 168.982 1929 102.360 78.711 126.009 1930 160.320 136.671 183.969 1931 100.812 77.163 124.461 1932 74.847 51.198 98.496 1933 109.872 86.223 133.521 1934 103.996 80.347 127.645 1935 101.804 78.155 125.453 1936 104.112 80.463 127.761 1937 117.899 94.250 141.548 1938 157.900 134.251 181.549 1939 126.816 103.167 150.465 1940 58.539 34.890 82.188 1941 200.260 176.611 223.909 1942 165.097 141.448 188.746 1943 132.899 109.250 156.548 1944 118.108 94.459 141.757 1945 115.109 91.460 138.758 1946 72.762 49.113 96.411 1947 176.414 152.765 200.063 185.231 1948 115.614 91.965 139.263 105.623 1949 156.708 133.059 180.357 172.152 1950 83.902 60.253 107.551 29.784 1951 124.767 101.118 148.416 150.348 1952 151.800 128.151 175.449 142.676 1953 83.786 60.137 107.435 94.669 1954 28.601 4.952 52.250 54.333 1955 96.635 72.986 120.284 74.360 1956 123.739 100.090 147.388 103.862 1957 166.103 142.454 189.752 191.068 1958 148.414 124.765 172.063 129.798 1959 84.966 61.317 108.615 107.163 1960 129.761 106.112 153.410 110.975 1961 101.202 77.553 124.851 139.154 1962 147.669 124.020 171.318 136.103 1963 80.605 56.956 104.254 91.868 1964 85.281 61.632 108.930 85.187 1965 173.880 150.231 197.529 162.457 1966 75.669 52.020 99.318 77.010 1967 105.217 81.568 128.866 107.258 1968 121.955 98.306 145.604 108.555 1969 149.171 125.522 172.820 149.057 1970 144.569 120.920 168.218 149.613 1971 134.412 110.763 158.061 142.969 1972 89.953 66.304 113.602 98.414 1973 156.197 132.548 179.846 151.857 1974 104.450 80.801 128.099 109.019 1975 157.140 133.491 180.789 133.093 1976 110.669 87.020 134.318 100.765 1977 77.525 53.876 101.174 71.804 1978 144.137 120.488 167.786 163.485 1979 182.566 158.917 206.215 170.646 1980 146.056 122.407 169.705 233.810 1981 70.011 46.362 93.660 77.678 1982 142.495 118.846 166.144 125.937 1983 206.025 182.376 229.674 221.272 1984 168.716 145.067 192.365 166.575 1985 110.722 87.073 134.371 124.533 1986 139.326 115.677 162.975 158.971 1987 135.094 111.445 158.743 112.541 1988 103.235 79.586 126.884 92.443 1989 108.950 85.301 132.599 84.681 1990 138.048 114.399 161.697 118.158 1991 146.709 123.060 170.358 107.143 1992 128.841 105.192 152.490 92.250 1993 134.084 110.435 157.733 120.335 1994 87.522 63.873 111.171 95.281 1995 186.902 163.253 210.551 195.471 1996 126.252 102.603 149.901 131.460 1997 162.151 138.502 185.800 172.233 1998 144.223 120.574 167.872 144.371 1999 166.695 143.046 190.344 190.010