TreeFlow Colorado Streamflow Reconstructions
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               World Data Center for Paleoclimatology, Boulder
                                  and
                     NOAA Paleoclimatology Program
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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. 2004.
A network of tree-ring reconstructions of streamflow for the 
South Platte and Upper Colorado River basins.
Submitted to Climatic Change.


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://www.ncdc.noaa.gov/paleo/streamflow/index.html


DATA:
St. Vrain River at Lyons
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 = undepleted flow gage record from Northern Colorado Water Conservancy District and City of Longmont

*see TreeFlow Case Study web page for description 


Year	Rec'n	95%CI-	95%CI+	Gage 
1571	138854	122343	155365	
1572	135998	119487	152509	
1573	118224	101713	134734	
1574	108610	92099	125121	
1575	118630	102120	135141	
1576	72489	55978	88999	
1577	127948	111437	144459	
1578	164642	148131	181153	
1579	101950	85439	118461	
1580	92511	76001	109022	
1581	96410	79899	112920	
1582	135792	119282	152303	
1583	125026	108515	141537	
1584	60126	43615	76637	
1585	88876	72365	105386	
1586	117804	101293	134315	
1587	89591	73080	106102	
1588	125484	108973	141995	
1589	134713	118202	151223	
1590	79803	63292	96314	
1591	67232	50721	83742	
1592	118014	101504	134525	
1593	135417	118906	151928	
1594	153174	136663	169685	
1595	128242	111731	144753	
1596	142576	126065	159086	
1597	69764	53254	86275	
1598	64597	48086	81107	
1599	127557	111046	144067	
1600	103054	86544	119565	
1601	76378	59868	92889	
1602	122616	106106	139127	
1603	154117	137606	170628	
1604	144587	128076	161097	
1605	152514	136003	169024	
1606	123380	106869	139890	
1607	81060	64549	97570	
1608	137114	120604	153625	
1609	127859	111348	144370	
1610	181094	164583	197605	
1611	127578	111067	144089	
1612	127679	111169	144190	
1613	158769	142258	175280	
1614	146802	130292	163313	
1615	186407	169896	202918	
1616	113814	97303	130325	
1617	196264	179753	212774	
1618	180365	163855	196876	
1619	175606	159096	192117	
1620	73199	56688	89710	
1621	225519	209008	242030	
1622	58632	42121	75143	
1623	130070	113560	146581	
1624	142669	126159	159180	
1625	73348	56837	89859	
1626	129103	112592	145614	
1627	91086	74575	107597	
1628	152256	135745	168767	
1629	122020	105509	138531	
1630	122655	106144	139165	
1631	113304	96793	129815	
1632	136697	120186	153207	
1633	182885	166374	199396	
1634	103628	87117	120139	
1635	129258	112747	145769	
1636	104581	88070	121091	
1637	104883	88372	121393	
1638	120974	104463	137484	
1639	134910	118399	151420	
1640	150353	133843	166864	
1641	105737	89226	122247	
1642	149278	132768	165789	
1643	133816	117306	150327	
1644	130964	114453	147475	
1645	66299	49789	82810	
1646	78588	62077	95099	
1647	144890	128379	161401	
1648	88748	72238	105259	
1649	126031	109520	142542	
1650	145448	128937	161959	
1651	144954	128443	161465	
1652	116363	99853	132874	
1653	68900	52389	85410	
1654	41800	25290	58311	
1655	172066	155555	188576	
1656	140116	123606	156627	
1657	149113	132602	165623	
1658	111527	95016	128038	
1659	133868	117357	150379	
1660	157806	141295	174317	
1661	156314	139804	172825	
1662	94540	78029	111051	
1663	132396	115885	148906	
1664	84282	67771	100792	
1665	109089	92578	125599	
1666	101287	84776	117798	
1667	59363	42853	75874	
1668	82184	65673	98695	
1669	127425	110914	143936	
1670	122310	105799	138820	
1671	88657	72146	105168	
1672	133069	116558	149580	
1673	164075	147565	180586	
1674	147192	130681	163703	
1675	99236	82726	115747	
1676	180002	163491	196513	
1677	149285	132775	165796	
1678	182579	166069	199090	
1679	83707	67197	100218	
1680	187295	170784	203806	
1681	128057	111546	144567	
1682	78965	62454	95476	
1683	167659	151148	184170	
1684	88164	71653	104674	
1685	40855	24344	57366	
1686	83683	67172	100193	
1687	136232	119722	152743	
1688	144629	128118	161140	
1689	127727	111216	144238	
1690	150363	133852	166873	
1691	147486	130975	163996	
1692	113945	97434	130456	
1693	127144	110633	143654	
1694	163057	146547	179568	
1695	139478	122967	155988	
1696	163271	146761	179782	
1697	140893	124382	157404	
1698	110528	94017	127039	
1699	112866	96355	129376	
1700	135972	119462	152483	
1701	161004	144493	177515	
1702	175164	158653	191674	
1703	73968	57457	90479	
1704	78215	61704	94726	
1705	141632	125121	158143	
1706	125904	109393	142415	
1707	123741	107231	140252	
1708	104675	88165	121186	
1709	63047	46536	79557	
1710	152848	136337	169359	
1711	88915	72404	105425	
1712	119064	102554	135575	
1713	103034	86524	119545	
1714	96285	79774	112796	
1715	126741	110230	143252	
1716	111189	94679	127700	
1717	100745	84235	117256	
1718	118599	102088	135109	
1719	165816	149305	182326	
1720	178846	162335	195356	
1721	99616	83105	116126	
1722	107221	90710	123731	
1723	89424	72914	105935	
1724	107375	90864	123886	
1725	139753	123242	156264	
1726	179055	162545	195566	
1727	121268	104758	137779	
1728	121654	105144	138165	
1729	81759	65248	98270	
1730	85088	68578	101599	
1731	147844	131333	164355	
1732	133238	116727	149748	
1733	126475	109965	142986	
1734	178983	162472	195493	
1735	106370	89859	122880	
1736	67329	50819	83840	
1737	114803	98293	131314	
1738	142822	126311	159333	
1739	134796	118285	151306	
1740	91963	75453	108474	
1741	151729	135219	168240	
1742	100652	84141	117163	
1743	143239	126729	159750	
1744	106222	89711	122733	
1745	122596	106085	139106	
1746	162321	145810	178831	
1747	163308	146797	179818	
1748	100035	83524	116545	
1749	155287	138776	171798	
1750	78183	61673	94694	
1751	150146	133635	166656	
1752	135838	119327	152348	
1753	148495	131984	165006	
1754	131980	115469	148491	
1755	127426	110915	143937	
1756	76943	60432	93453	
1757	89507	72996	106017	
1758	109852	93341	126363	
1759	89343	72832	105854	
1760	123561	107050	140071	
1761	160920	144409	177431	
1762	153381	136870	169891	
1763	105527	89016	122038	
1764	177294	160784	193805	
1765	107669	91158	124179	
1766	150603	134092	167114	
1767	108217	91707	124728	
1768	169823	153312	186333	
1769	152047	135536	168557	
1770	101337	84826	117848	
1771	130721	114210	147232	
1772	104590	88079	121100	
1773	116502	99991	133013	
1774	132145	115635	148656	
1775	140443	123932	156954	
1776	119077	102567	135588	
1777	89636	73125	106147	
1778	161665	145154	178176	
1779	135777	119267	152288	
1780	76563	60052	93074	
1781	105513	89003	122024	
1782	114464	97953	130975	
1783	130374	113864	146885	
1784	148199	131688	164710	
1785	160904	144393	177415	
1786	110066	93555	126577	
1787	180619	164109	197130	
1788	114454	97943	130965	
1789	59956	43445	76467	
1790	191180	174669	207691	
1791	132712	116201	149222	
1792	183982	167471	200492	
1793	103904	87393	120415	
1794	144694	128183	161204	
1795	123086	106576	139597	
1796	126976	110465	143487	
1797	170464	153954	186975	
1798	48386	31875	64897	
1799	156876	140365	173387	
1800	127657	111146	144167	
1801	92225	75715	108736	
1802	129284	112774	145795	
1803	153093	136583	169604	
1804	90945	74435	107456	
1805	83924	67413	100435	
1806	143454	126944	159965	
1807	83103	66592	99614	
1808	130952	114441	147462	
1809	85829	69318	102340	
1810	121587	105076	138097	
1811	141531	125020	158042	
1812	140714	124203	157225	
1813	123786	107276	140297	
1814	119918	103408	136429	
1815	130178	113668	146689	
1816	124469	107958	140979	
1817	121064	104553	137574	
1818	104825	88314	121335	
1819	113713	97203	130224	
1820	78197	61686	94708	
1821	148802	132291	165313	
1822	131103	114593	147614	
1823	133405	116894	149916	
1824	70547	54036	87058	
1825	116145	99634	132656	
1826	136723	120212	153233	
1827	140784	124273	157294	
1828	163216	146706	179727	
1829	121251	104740	137761	
1830	100406	83895	116917	
1831	137303	120793	153814	
1832	130034	113523	146545	
1833	133515	117005	150026	
1834	98395	81885	114906	
1835	134829	118319	151340	
1836	166228	149717	182739	
1837	190340	173829	206850	
1838	166294	149783	182805	
1839	215705	199194	232216	
1840	135316	118806	151827	
1841	165683	149173	182194	
1842	58085	41574	74596	
1843	215454	198943	231965	
1844	141075	124564	157586	
1845	69393	52883	85904	
1846	79408	62898	95919	
1847	61729	45218	78239	
1848	106715	90204	123226	
1849	174714	158203	191225	
1850	149851	133340	166361	
1851	31742	15232	48253	
1852	154810	138299	171321	
1853	156278	139768	172789	
1854	112253	95742	128764	
1855	58302	41791	74813	
1856	141151	124640	157661	
1857	114667	98156	131178	
1858	151403	134892	167914	
1859	126496	109985	143007	
1860	132967	116456	149478	
1861	58486	41975	74997	
1862	135953	119442	152463	
1863	84312	67801	100823	
1864	141293	124783	157804	
1865	111103	94592	127613	
1866	170478	153967	186989	
1867	159448	142937	175959	
1868	132110	115600	148621	
1869	156069	139558	172579	
1870	128101	111590	144611	
1871	53654	37143	70165	
1872	167910	151399	184420	
1873	133624	117113	150134	
1874	78969	62459	95480	
1875	98108	81598	114619	
1876	162005	145494	178516	
1877	106715	90204	123226	
1878	147426	130915	163937	
1879	56960	40449	73471	
1880	96334	79824	112845	
1881	132290	115779	148800	
1882	117396	100885	133907	
1883	134749	118238	151260	
1884	147830	131320	164341	
1885	146416	129905	162927	
1886	98933	82422	115444	
1887	73207	56696	89718	
1888	97467	80956	113977	
1889	133371	116860	149881	
1890	118517	102006	135028	
1891	120891	104380	137401	
1892	130322	113812	146833	
1893	90598	74087	107109	
1894	133981	117470	150492	
1895	160097	143587	176608	
1896	70749	54238	87260	113400
1897	158805	142294	175316	189600
1898	117001	100490	133512	111600
1899	112035	95524	128545	182600
1900	140882	124371	157393	162300
1901	111821	95310	128331	128000
1902	62876	46365	79387	69200
1903	153959	137448	170469	158600
1904	135160	118650	151671	162200
1905	137230	120719	153741	163100
1906	144849	128338	161360	145200
1907	172809	156298	189319	206800
1908	91277	74766	107787	86600
1909	148192	131681	164702	173600
1910	90277	73766	106787	74000
1911	94357	77846	110867	97300
1912	161457	144946	177968	154500
1913	117662	101151	134173	99500
1914	163735	147224	180245	194600
1915	136636	120125	153147	147100
1916	127254	110743	143765	125200
1917	151054	134543	167565	169000
1918	130909	114398	147419	133100
1919	65190	48679	81701	91300
1920	155709	139198	172220	139500
1921	180809	164298	197320	188000
1922	89355	72844	105866	81100
1923	161180	144669	177691	177500
1924	158968	142458	175479	182900
1925	66424	49914	82935	73000
1926	167961	151451	184472	179400
1927	129526	113015	146037	122600
1928	160450	143939	176961	134000
1929	98535	82024	115046	120800
1930	120179	103668	136690	104500
1931	124453	107943	140964	87100
1932	93590	77079	110100	87000
1933	122322	105811	138833	130800
1934	96572	80061	113082	77400
1935	123429	106918	139940	118400
1936	104597	88086	121108	140800
1937	109114	92603	125625	102900
1938	140776	124265	157286	151500
1939	102922	86411	119433	81100
1940	88053	71542	104564	70800
1941	158888	142377	175399	115000
1942	148643	132133	165154	164300
1943	147401	130891	163912	136200
1944	98877	82366	115388	110800
1945	137118	120607	153629	120400
1946	81356	64845	97867	75900
1947	165345	148834	181856	173300
1948	108353	91842	124863	98400
1949	148518	132007	165028	158300
1950	102081	85570	118591	85500
1951	150658	134147	167169	143800
1952	149513	133002	166023	167300
1953	113180	96669	129690	91700
1954	32158	15647	48669	47200
1955	124183	107672	140693	71000
1956	120920	104410	137431	89700
1957	163795	147285	180306	198000
1958	137472	120961	153982	112300
1959	114582	98071	131093	102400
1960	120226	103715	136736	104000
1961	101244	84733	117755	127400
1962	157847	141336	174357	106000
1963	91894	75384	108405	84800
1964	77715	61204	94226	72900
1965	157814	141303	174325	147800
1966	66771	50261	83282	57000
1967	139537	123027	156048	105700
1968	99265	82754	115776	95900
1969	145751	129240	162262	178200
1970	136331	119820	152841	133500
1971	128085	111575	144596	137000
1972	118637	102126	135148	95100
1973	159695	143184	176205	141300
1974	109929	93418	126440	92300
1975	150683	134173	167194	127500
1976	71541	55030	88052	76700
1977	69066	52555	85576	56100
1978	166328	149817	182839	138700
1979	170864	154353	187375	159100
1980	118460	101950	134971	184300
1981	83800	67289	100310	59600
1982	129618	113107	146129	121800
1983	187565	171054	204076	180779
1984	158032	141521	174543	172429
1985	141518	125007	158029	111869
1986	143137	126627	159648	143651
1987	132787	116276	149298	106642
1988	83224	66713	99735	86072.1
1989	128604	112094	145115	76340
1990	134275	117765	150786	111047
1991	133563	117052	150073	105809
1992	102208	85697	118719	88294.9
1993	137910	121399	154421	114129
1994	104749	88238	121260	88936.2
1995	168365	151854	184876	192144
1996	133006	116495	149516	141484
1997	156158	139647	172669	189879
1998	147420	130910	163931	130418
1999	151802	135291	168312	149532