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:
South Platte River below Cheesman Reservoir
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

1685	29746	-3974	63466	
1686	137502	103782	171222	
1687	160759	127039	194479	
1688	206799	173079	240519	
1689	201276	167556	234996	
1690	93329	59609	127049	
1691	133902	100182	167622	
1692	194325	160605	228045	
1693	147002	113282	180722	
1694	164772	131052	198492	
1695	146459	112739	180179	
1696	150352	116632	184072	
1697	158371	124651	192091	
1698	241676	207956	275396	
1699	192518	158798	226238	
1700	135777	102057	169497	
1701	208089	174369	241809	
1702	115444	81724	149164	
1703	148396	114676	182116	
1704	111876	78156	145596	
1705	221362	187642	255082	
1706	167350	133630	201070	
1707	22813	-10907	56533	
1708	125785	92065	159505	
1709	95799	62079	129519	
1710	247209	213489	280929	
1711	143092	109372	176812	
1712	223732	190012	257452	
1713	159459	125739	193179	
1714	183604	149884	217324	
1715	138656	104936	172376	
1716	147027	113307	180747	
1717	189034	155314	222754	
1718	195983	162263	229703	
1719	206367	172647	240087	
1720	293362	259642	327082	
1721	219333	185613	253053	
1722	171820	138100	205540	
1723	80484	46764	114204	
1724	179829	146109	213549	
1725	155954	122234	189674	
1726	237845	204125	271565	
1727	159871	126151	193591	
1728	235416	201696	269136	
1729	72372	38652	106092	
1730	154692	120972	188412	
1731	170291	136571	204011	
1732	124546	90826	158266	
1733	141069	107349	174789	
1734	167587	133867	201307	
1735	116430	82710	150150	
1736	140973	107253	174693	
1737	102294	68574	136014	
1738	134608	100888	168328	
1739	167219	133499	200939	
1740	118029	84309	151749	
1741	143004	109284	176724	
1742	133732	100012	167452	
1743	213061	179341	246781	
1744	158459	124739	192179	
1745	135111	101391	168831	
1746	227439	193719	261159	
1747	216574	182854	250294	
1748	54989	21269	88709	
1749	234508	200788	268228	
1750	144153	110433	177873	
1751	191903	158183	225623	
1752	114984	81264	148704	
1753	189486	155766	223206	
1754	188158	154438	221878	
1755	146689	112969	180409	
1756	60655	26935	94375	
1757	157418	123698	191138	
1758	166402	132682	200122	
1759	188926	155206	222646	
1760	169203	135483	202923	
1761	282514	248794	316234	
1762	188269	154549	221989	
1763	104967	71247	138687	
1764	126836	93116	160556	
1765	151354	117634	185074	
1766	228980	195260	262700	
1767	133409	99689	167129	
1768	257976	224256	291696	
1769	185231	151511	218951	
1770	72134	38414	105854	
1771	237101	203381	270821	
1772	137688	103968	171408	
1773	129095	95375	162815	
1774	177964	144244	211684	
1775	113761	80041	147481	
1776	147613	113893	181333	
1777	124963	91243	158683	
1778	133458	99738	167178	
1779	114670	80950	148390	
1780	160971	127251	194691	
1781	140794	107074	174514	
1782	130709	96989	164429	
1783	226629	192909	260349	
1784	173918	140198	207638	
1785	212473	178753	246193	
1786	101395	67675	135115	
1787	224349	190629	258069	
1788	124663	90943	158383	
1789	50347	16627	84067	
1790	238276	204556	271996	
1791	163488	129768	197208	
1792	234620	200900	268340	
1793	181846	148126	215566	
1794	186693	152973	220413	
1795	112355	78635	146075	
1796	187064	153344	220784	
1797	191868	158148	225588	
1798	97119	63399	130839	
1799	190171	156451	223891	
1800	236859	203139	270579	
1801	156890	123170	190610	
1802	217885	184165	251605	
1803	168117	134397	201837	
1804	150528	116808	184248	
1805	115141	81421	148861	
1806	132159	98439	165879	
1807	137554	103834	171274	
1808	142993	109273	176713	
1809	134076	100356	167796	
1810	146520	112800	180240	
1811	148988	115268	182708	
1812	182203	148483	215923	
1813	141626	107906	175346	
1814	188420	154700	222140	
1815	182278	148558	215998	
1816	188475	154755	222195	
1817	206544	172824	240264	
1818	109586	75866	143306	
1819	138262	104542	171982	
1820	105963	72243	139683	
1821	145555	111835	179275	
1822	154096	120376	187816	
1823	194624	160904	228344	
1824	67045	33325	100765	
1825	188632	154912	222352	
1826	194208	160488	227928	
1827	164723	131003	198443	
1828	256670	222950	290390	
1829	158946	125226	192666	
1830	144415	110695	178135	
1831	251917	218197	285637	
1832	186613	152893	220333	
1833	126217	92497	159937	
1834	102191	68471	135911	
1835	220710	186990	254430	
1836	169454	135734	203174	
1837	184067	150347	217787	
1838	236362	202642	270082	
1839	208700	174980	242420	
1840	141249	107529	174969	
1841	151022	117302	184742	
1842	26199	-7521	59919	
1843	255423	221703	289143	
1844	166291	132571	200011	
1845	76550	42830	110270	
1846	125027	91307	158747	
1847	55836	22116	89556	
1848	121021	87301	154741	
1849	171792	138072	205512	
1850	162463	128743	196183	
1851	33753	33	67473	
1852	115039	81319	148759	
1853	203612	169892	237332	
1854	167648	133928	201368	
1855	120967	87247	154687	
1856	129838	96118	163558	
1857	181546	147826	215266	
1858	203274	169554	236994	
1859	140024	106304	173744	
1860	246352	212632	280072	
1861	120841	87121	154561	
1862	150805	117085	184525	
1863	86534	52814	120254	
1864	229552	195832	263272	
1865	165952	132232	199672	
1866	223057	189337	256777	
1867	191959	158239	225679	
1868	153117	119397	186837	
1869	249906	216186	283626	
1870	91215	57495	124935	
1871	101106	67386	134826	
1872	182332	148612	216052	
1873	154134	120414	187854	
1874	111982	78262	145702	
1875	163340	129620	197060	
1876	164690	130970	198410	
1877	129664	95944	163384	
1878	143756	110036	177476	
1879	114821	81101	148541	
1880	28481	-5239	62201	
1881	153772	120052	187492	
1882	191590	157870	225310	
1883	124293	90573	158013	
1884	188397	154677	222117	
1885	120975	87255	154695	
1886	134896	101176	168616	
1887	80120	46400	113840	
1888	147829	114109	181549	
1889	129734	96014	163454	
1890	126473	92753	160193	
1891	179052	145332	212772	
1892	163681	129961	197401	
1893	118740	85020	152460	
1894	171375	137655	205095	
1895	206661	172941	240381	
1896	101887	68167	135607	
1897	175852	142132	209572	
1898	126209	92489	159929	
1899	111685	77965	145405	
1900	195133	161413	228853	
1901	139230	105510	172950	
1902	79777	46057	113497	
1903	194199	160479	227919	
1904	144578	110858	178298	
1905	189525	155805	223245	
1906	140409	106689	174129	
1907	212806	179086	246526	
1908	61864	28144	95584	
1909	221088	187368	254808	
1910	156248	122528	189968	
1911	155458	121738	189178	
1912	228034	194314	261754	
1913	137882	104162	171602	
1914	220045	186325	253765	
1915	182087	148367	215807	
1916	156329	122609	190049	150161
1917	212679	178959	246399	184947
1918	160958	127238	194678	188481
1919	150109	116389	183829	182775
1920	131439	97719	165159	182773
1921	277565	243845	311285	326361
1922	108844	75124	142564	131635
1923	181943	148223	215663	223658
1924	209903	176183	243623	195849
1925	83309	49589	117029	101010
1926	245410	211690	279130	214617
1927	140215	106495	173935	141112
1928	235909	202189	269629	153959
1929	94879	61159	128599	166859
1930	169948	136228	203668	186001
1931	167043	133323	200763	125214
1932	91156	57436	124876	81374
1933	192168	158448	225888	135631
1934	136220	102500	169940	72790
1935	116466	82746	150186	113135
1936	133026	99306	166746	189111
1937	171520	137800	205240	103966
1938	205666	171946	239386	170382
1939	147665	113945	181385	143665
1940	88058	54338	121778	64281
1941	222168	188448	255888	168685
1942	242707	208987	276427	300434
1943	162181	128461	195901	122287
1944	176602	142882	210322	132542
1945	144859	111139	178579	153059
1946	102772	69052	136492	111205
1947	274719	240999	308439	252479
1948	222836	189116	256556	260500
1949	211614	177894	245334	274446
1950	55806	22086	89526	98793
1951	127588	93868	161308	127878
1952	181766	148046	215486	184168
1953	114446	80726	148166	127128
1954	32053	-1667	65773	64375
1955	124708	90988	158428	84962
1956	141327	107607	175047	93099
1957	204390	170670	238110	292879
1958	202005	168285	235725	162879
1959	108508	74788	142228	110441
1960	181356	147636	215076	138720
1961	129752	96032	163472	133377
1962	178734	145014	212454	168048
1963	46445	12725	80165	59638
1964	137936	104216	171656	86169
1965	250751	217031	284471	260301
1966	92557	58837	126277	78860
1967	136489	102769	170209	98161
1968	156166	122446	189886	125502
1969	213573	179853	247293	200283
1970	234886	201166	268606	392891
1971	171332	137612	205052	166773
1972	101289	67569	135009	127510
1973	201249	167529	234969	269898
1974	134947	101227	168667	113770
1975	176047	142327	209767	167530
1976	118284	84564	152004	124788
1977	121597	87877	155317	67416
1978	130605	96885	164325	82789
1979	210176	176456	243896	184216
1980	168017	134297	201737	245930
1981	70357	36637	104077	67625
1982	163675	129955	197395	145359
1983	293451	259731	327171	266207
1984	208483	174763	242203	288824
1985	234559	200839	268279	249420
1986	192138	158418	225858	157633
1987	246180	212460	279900	242891