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: Fraser River near Winter Park Annual (Water Year, Oct-Sep) streamflow reconstruction Values in acre-feet Rec'n = reconstruction 95%CI- = lower 95% confidence interval* 95%CI+ = upper 95% confidence interval* Gage = natural flow gage record from Denver Water *see TreeFlow Case Study web page for description Year Rec'n 95%CI- 95%CI+ Gage 1437 23733 21038 26428 1438 25246 22551 27940 1439 26079 23385 28774 1440 33147 30452 35841 1441 32286 29591 34980 1442 18680 15985 21374 1443 32831 30136 35525 1444 22456 19762 25151 1445 21317 18622 24012 1446 30873 28179 33568 1447 31217 28522 33911 1448 26171 23476 28865 1449 30413 27719 33108 1450 22229 19535 24924 1451 28037 25342 30731 1452 31352 28657 34047 1453 25367 22672 28061 1454 21368 18673 24062 1455 24501 21806 27195 1456 23935 21241 26630 1457 26075 23381 28770 1458 24235 21541 26930 1459 24399 21704 27093 1460 22690 19995 25385 1461 26208 23514 28903 1462 31077 28383 33772 1463 28237 25542 30931 1464 26725 24030 29420 1465 25030 22335 27724 1466 29467 26772 32161 1467 33152 30457 35847 1468 29152 26458 31847 1469 25551 22856 28245 1470 27567 24872 30261 1471 27484 24789 30179 1472 23823 21129 26518 1473 26782 24087 29476 1474 25323 22629 28018 1475 18649 15954 21343 1476 30533 27839 33228 1477 31936 29242 34631 1478 28537 25843 31232 1479 28220 25525 30914 1480 23466 20772 26161 1481 29860 27166 32555 1482 29562 26868 32257 1483 26002 23307 28697 1484 40288 37593 42983 1485 36308 33613 39003 1486 35469 32774 38164 1487 33487 30793 36182 1488 25581 22887 28276 1489 27440 24746 30135 1490 32606 29912 35301 1491 31501 28806 34196 1492 29048 26353 31742 1493 24953 22258 27648 1494 32625 29930 35319 1495 16627 13932 19321 1496 18685 15990 21379 1497 28641 25947 31336 1498 38553 35859 41248 1499 19995 17300 22689 1500 19894 17199 22588 1501 25926 23231 28621 1502 27528 24833 30223 1503 27556 24861 30251 1504 31338 28643 34032 1505 24140 21445 26834 1506 15805 13110 18499 1507 27917 25222 30611 1508 25335 22640 28030 1509 29357 26662 32051 1510 24616 21921 27310 1511 27430 24735 30125 1512 29877 27182 32571 1513 31728 29033 34423 1514 31626 28931 34320 1515 23022 20328 25717 1516 26176 23482 28871 1517 26787 24093 29482 1518 29108 26414 31803 1519 30933 28238 33628 1520 25223 22529 27918 1521 39117 36422 41811 1522 24013 21318 26708 1523 34717 32023 37412 1524 31492 28798 34187 1525 28936 26242 31631 1526 30647 27953 33342 1527 29700 27005 32394 1528 24801 22107 27496 1529 32646 29951 35340 1530 31459 28765 34154 1531 19739 17045 22434 1532 20328 17633 23022 1533 30248 27554 32943 1534 32357 29663 35052 1535 31565 28871 34260 1536 32706 30012 35401 1537 31828 29133 34522 1538 21504 18809 24198 1539 31023 28329 33718 1540 34241 31546 36935 1541 28216 25522 30911 1542 16377 13682 19071 1543 31038 28344 33733 1544 25403 22708 28098 1545 19067 16373 21762 1546 32777 30083 35472 1547 29492 26797 32187 1548 26466 23771 29160 1549 33187 30492 35881 1550 28529 25834 31223 1551 21206 18512 23901 1552 26694 23999 29388 1553 34669 31975 37364 1554 30078 27383 32772 1555 38482 35788 41177 1556 35011 32317 37706 1557 33611 30916 36305 1558 20583 17888 23277 1559 20015 17321 22710 1560 32641 29947 35336 1561 26868 24173 29562 1562 24752 22057 27447 1563 25066 22371 27760 1564 33454 30759 36148 1565 32770 30075 35464 1566 24827 22133 27522 1567 22240 19545 24934 1568 32022 29327 34716 1569 30629 27934 33323 1570 31786 29092 34481 1571 29056 26361 31751 1572 33253 30558 35947 1573 27667 24973 30362 1574 22816 20121 25510 1575 24970 22276 27665 1576 23588 20893 26283 1577 33662 30968 36357 1578 29542 26847 32237 1579 29413 26718 32107 1580 16617 13922 19311 1581 21545 18850 24240 1582 31437 28743 34132 1583 26024 23329 28719 1584 12968 10273 15662 1585 19262 16568 21957 1586 31460 28766 34155 1587 24212 21517 26907 1588 30281 27587 32976 1589 30071 27377 32766 1590 18374 15680 21069 1591 23142 20447 25836 1592 22068 19373 24762 1593 23171 20476 25865 1594 31435 28740 34130 1595 30575 27880 33270 1596 30680 27985 33374 1597 22635 19940 25329 1598 13396 10702 16091 1599 30316 27621 33011 1600 19953 17258 22648 1601 28737 26043 31432 1602 28510 25815 31205 1603 31335 28640 34029 1604 31911 29216 34605 1605 34161 31467 36856 1606 29962 27267 32656 1607 18097 15402 20791 1608 32762 30068 35457 1609 20185 17490 22879 1610 36213 33519 38908 1611 32712 30018 35407 1612 23551 20856 26245 1613 31293 28599 33988 1614 31275 28581 33970 1615 32803 30109 35498 1616 26871 24176 29565 1617 35461 32766 38155 1618 31027 28332 33721 1619 27126 24431 29821 1620 26464 23769 29158 1621 36128 33433 38822 1622 18057 15362 20751 1623 26635 23940 29329 1624 22531 19836 25225 1625 19770 17075 22464 1626 24666 21972 27361 1627 27794 25100 30489 1628 28590 25896 31285 1629 26697 24003 29392 1630 26036 23341 28730 1631 21439 18744 24133 1632 23381 20687 26076 1633 33901 31207 36596 1634 19925 17231 22620 1635 26711 24017 29406 1636 26398 23703 29093 1637 27776 25082 30471 1638 23421 20726 26116 1639 30229 27534 32923 1640 30172 27478 32867 1641 24904 22209 27598 1642 28216 25521 30910 1643 26390 23695 29085 1644 22752 20057 25446 1645 20260 17565 22954 1646 20772 18077 23466 1647 35416 32721 38110 1648 28855 26160 31549 1649 31539 28844 34234 1650 30086 27391 32781 1651 29507 26813 32202 1652 21219 18524 23913 1653 20928 18234 23623 1654 14362 11667 17056 1655 37283 34588 39977 1656 25547 22852 28242 1657 35731 33036 38425 1658 24140 21446 26835 1659 29449 26754 32143 1660 29286 26591 31981 1661 33741 31046 36436 1662 25379 22684 28073 1663 26471 23777 29166 1664 15203 12509 17898 1665 29422 26727 32116 1666 21915 19221 24610 1667 24357 21663 27052 1668 18843 16149 21538 1669 30261 27566 32956 1670 25512 22818 28207 1671 21480 18786 24175 1672 31929 29234 34624 1673 31868 29173 34562 1674 29620 26926 32315 1675 23339 20644 26033 1676 33235 30540 35930 1677 26903 24209 29598 1678 37091 34396 39786 1679 30944 28249 33639 1680 37762 35067 40457 1681 27593 24898 30288 1682 25490 22796 28185 1683 31304 28609 33998 1684 22381 19687 25076 1685 11538 8843 14232 1686 21493 18798 24188 1687 28039 25344 30733 1688 30235 27541 32930 1689 33820 31126 36515 1690 30075 27381 32770 1691 30990 28296 33685 1692 25843 23148 28537 1693 29151 26457 31846 1694 29991 27296 32685 1695 22234 19539 24928 1696 28221 25526 30915 1697 28799 26104 31494 1698 36851 34156 39545 1699 30180 27486 32875 1700 20767 18072 23461 1701 33471 30777 36166 1702 29616 26921 32311 1703 24225 21530 26920 1704 19123 16429 21818 1705 36228 33533 38923 1706 25267 22572 27961 1707 20967 18273 23662 1708 23573 20879 26268 1709 28041 25346 30735 1710 30868 28173 33562 1711 28060 25365 30754 1712 32252 29558 34947 1713 28100 25406 30795 1714 16027 13332 18721 1715 28094 25400 30789 1716 27460 24766 30155 1717 29832 27138 32527 1718 31729 29034 34423 1719 29461 26766 32155 1720 41463 38769 44158 1721 27599 24905 30294 1722 20316 17621 23010 1723 20837 18142 23531 1724 31229 28534 33923 1725 32847 30152 35541 1726 37217 34523 39912 1727 29102 26407 31796 1728 28544 25849 31238 1729 16563 13868 19257 1730 25825 23131 28520 1731 30135 27441 32830 1732 28438 25743 31132 1733 31733 29038 34427 1734 33785 31090 36479 1735 19876 17181 22570 1736 20437 17743 23132 1737 22465 19770 25159 1738 29564 26869 32258 1739 35511 32817 38206 1740 21894 19199 24588 1741 36767 34073 39462 1742 29175 26481 31870 1743 33245 30551 35940 1744 25903 23208 28597 1745 29471 26776 32165 1746 34003 31308 36698 1747 37077 34382 39771 1748 13894 11199 16589 1749 36962 34268 39657 1750 21710 19016 24405 1751 29624 26929 32319 1752 28221 25526 30915 1753 30116 27421 32810 1754 26939 24244 29634 1755 24276 21581 26970 1756 17598 14903 20292 1757 29655 26960 32349 1758 31250 28555 33944 1759 22675 19980 25369 1760 31484 28789 34178 1761 34897 32202 37591 1762 34688 31993 37383 1763 21098 18403 23793 1764 31063 28368 33757 1765 21002 18307 23697 1766 31967 29273 34662 1767 23694 21000 26389 1768 37109 34414 39804 1769 29610 26916 32305 1770 21825 19130 24519 1771 29967 27272 32662 1772 26873 24179 29568 1773 23713 21018 26407 1774 27775 25080 30470 1775 25521 22827 28216 1776 22892 20198 25587 1777 17310 14615 20004 1778 26026 23331 28721 1779 25828 23134 28523 1780 26011 23317 28706 1781 23272 20577 25966 1782 24418 21724 27113 1783 29065 26370 31760 1784 32328 29633 35022 1785 31948 29254 34643 1786 21348 18654 24043 1787 31917 29222 34611 1788 22106 19411 24801 1789 19918 17223 22613 1790 37291 34597 39986 1791 26020 23325 28715 1792 36067 33372 38761 1793 25291 22596 27985 1794 27036 24341 29730 1795 20402 17707 23097 1796 35436 32742 38131 1797 36440 33745 39134 1798 14956 12262 17651 1799 35435 32741 38130 1800 28440 25746 31135 1801 29941 27246 32635 1802 32546 29852 35241 1803 25552 22858 28247 1804 24751 22056 27445 1805 27751 25056 30445 1806 21123 18428 23817 1807 27085 24390 29780 1808 25575 22880 28270 1809 24832 22137 27526 1810 25941 23247 28636 1811 33708 31013 36403 1812 31171 28477 33866 1813 25336 22642 28031 1814 23779 21084 26473 1815 28583 25888 31277 1816 31582 28887 34276 1817 31203 28508 33897 1818 29021 26326 31715 1819 28108 25413 30802 1820 25433 22738 28127 1821 31855 29161 34550 1822 25097 22402 27791 1823 34398 31703 37093 1824 16694 13999 19388 1825 22514 19820 25209 1826 31844 29149 34538 1827 25224 22529 27918 1828 32771 30076 35465 1829 24506 21811 27201 1830 23292 20597 25986 1831 34684 31990 37379 1832 34561 31867 37256 1833 23502 20807 26196 1834 22290 19596 24985 1835 25579 22885 28274 1836 27949 25255 30644 1837 35029 32334 37723 1838 29090 26396 31785 1839 30504 27809 33199 1840 31604 28910 34299 1841 29550 26856 32245 1842 18859 16165 21554 1843 40956 38262 43651 1844 25219 22525 27914 1845 12472 9777 15166 1846 19771 17077 22466 1847 16911 14217 19606 1848 29366 26671 32060 1849 37503 34808 40198 1850 32817 30122 35511 1851 10807 8112 13502 1852 30591 27896 33285 1853 34562 31867 37256 1854 26625 23930 29319 1855 18537 15842 21231 1856 28747 26052 31441 1857 24940 22246 27635 1858 32373 29678 35067 1859 29942 27248 32637 1860 31183 28488 33877 1861 19276 16581 21970 1862 37383 34689 40078 1863 21969 19275 24664 1864 33739 31044 36433 1865 31282 28587 33977 1866 40723 38029 43418 1867 39338 36643 42033 1868 28100 25405 30794 1869 30200 27505 32894 1870 29021 26326 31716 1871 14959 12264 17653 1872 31499 28804 34194 1873 29569 26875 32264 1874 24053 21358 26747 1875 26237 23543 28932 1876 30251 27557 32946 1877 26303 23608 28997 1878 24078 21383 26773 1879 14610 11916 17305 1880 24116 21422 26811 1881 28003 25308 30698 1882 24333 21638 27027 1883 24423 21728 27117 1884 30895 28201 33590 1885 31239 28545 33934 1886 26554 23859 29248 1887 18671 15977 21366 1888 24941 22247 27636 1889 21611 18916 24306 1890 25020 22325 27714 1891 27906 25211 30600 1892 28542 25848 31237 1893 24396 21701 27090 1894 27649 24955 30344 1895 33292 30598 35987 1896 18841 16146 21535 1897 29676 26981 32370 1898 20137 17443 22832 1899 28888 26193 31582 1900 28259 25564 30953 1901 23593 20898 26287 1902 13453 10758 16147 1903 31658 28963 34352 1904 22517 19823 25212 1905 27724 25029 30418 1906 30662 27967 33357 1907 30371 27676 33066 1908 19671 16976 22365 1909 31257 28562 33951 1910 24108 21414 26803 1911 29390 26696 32085 1912 33061 30367 35756 1913 26779 24084 29474 1914 33058 30363 35753 1915 25565 22871 28260 1916 30445 27750 33139 31654 1917 33438 30744 36133 31926 1918 32071 29376 34765 44248 1919 24464 21769 27158 24260 1920 29307 26613 32002 30318 1921 38524 35830 41219 39469 1922 20866 18171 23560 25800 1923 33642 30947 36337 34069 1924 29914 27219 32608 31481 1925 26223 23529 28918 29486 1926 31717 29023 34412 39681 1927 29044 26349 31738 31906 1928 33616 30921 36311 41251 1929 27451 24756 30145 36355 1930 32320 29625 35015 33409 1931 25286 22591 27981 21446 1932 26838 24143 29532 25899 1933 31174 28479 33868 33669 1934 21965 19270 24659 21295 1935 25325 22631 28020 26977 1936 29254 26559 31948 33528 1937 29390 26695 32085 24164 1938 32554 29859 35248 34732 1939 29541 26847 32236 25547 1940 24920 22225 27614 22119 1941 33292 30598 35987 28330 1942 33893 31199 36588 30800 1943 28948 26253 31642 26202 1944 25011 22316 27705 22322 1945 27240 24545 29934 25107 1946 23465 20771 26160 24529 1947 35567 32873 38262 34221 1948 26057 23362 28752 29410 1949 33320 30626 36015 32541 1950 22190 19496 24885 22051 1951 30180 27486 32875 28805 1952 31449 28754 34143 32248 1953 25000 22305 27694 23094 1954 13527 10833 16222 13933 1955 25130 22436 27825 21028 1956 30400 27706 33095 25969 1957 33515 30820 36209 39729 1958 29542 26847 32236 26446 1959 20738 18044 23433 26205 1960 28741 26047 31436 27761 1961 19540 16846 22235 22724 1962 37851 35157 40546 29637 1963 23306 20611 26001 17318 1964 22602 19908 25297 22106 1965 36557 33862 39252 35701 1966 23597 20902 26292 20772 1967 22831 20137 25526 25160 1968 23750 21055 26444 25262 1969 32774 30080 35469 31608 1970 29184 26489 31878 33803 1971 29688 26993 32382 32997 1972 25986 23291 28680 26718 1973 33124 30430 35819 30040 1974 31898 29203 34592 30592 1975 28089 25394 30783 25873 1976 23386 20691 26081 19162 1977 19453 16759 22148 17973 1978 31234 28540 33929 30959 1979 32767 30072 35461 28322 1980 29102 26407 31796 27765 1981 20194 17500 22889 20301 1982 29847 27153 32542 30718 1983 37059 34365 39754 40935 1984 38900 36205 41594 46475 1985 34353 31659 37048 31186 1986 30821 28126 33515 29973 1987 27507 24812 30201 23031 1988 24224 21529 26918 31289 1989 25389 22694 28083 23863 1990 22799 20104 25493 23092 1991 30508 27814 33203 28553 1992 24589 21894 27283 23288 1993 33278 30583 35972 27273 1994 18529 15834 21223 19475 1995 37119 34425 39814 34865 1996 32209 29515 34904 33981 1997 32311 29616 35005 34508 1998 24583 21889 27278 25272 1999 30379 27684 33073 23375 2000 24643 21949 27338 25549 2001 25306 22612 28001 23156 2002 13757 11062 16451 11443