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Gunnison-Uncompahgre River Basins Yampa-White River Basins
<br /> Sufficient precipitation records are available in the Sufficient precipitation records in the Yampa-White
<br /> Gunnison-Uncompahgre River Basins from 1888. River Basins are available from 1894. Recent
<br /> Recent droughts in the Gunnison-Uncompahgre droughts in the Yampa-White River Basins
<br /> River Basins occurred in 1889-1890, 1894, 1899- occurred in 1894-1895, 1901-1904, 1911-1912,
<br /> 1905, 1950-1957, and 1975-1978. 1919-1920, 1934-1937, 1963-1964, 1972-1973, and
<br /> 1976-1978 (extreme).
<br /> Tree-ring Record for Central Western Colorado Tree-ring Record for Northwestern Colorado(Point 48),
<br /> (Point 49), 1700-1979 1700-1978
<br /> 60
<br /> Q. 40 0.
<br /> X
<br /> a .8
<br /> i gm" IIREPTE ..
<br /> 0 .01
<br /> a, .. . . . . . .7 - ll m.20 ' _. 1 . ''i I I Mien
<br /> O -2o O
<br /> o
<br /> o
<br /> it; 11
<br /> C .40 4.01,. . 7, .40 f .
<br /> ii 0.
<br /> a
<br /> 0.0
<br /> GO
<br /> Colorado River Mainstem Basin North Platte River Basin
<br /> Sufficient precipitation records in the Colorado No long-term precipitation data exists for the North
<br /> River Mainstem Basin are available from 1895. Platte River Basin. However a review of stream
<br /> Recent droughts in the Colorado River Mainstem gage records shows dry periods occurred in 1917-
<br /> Basin occurred in 1899-1905, 1950-1952, 1954, 1918, 1920-1923, 1926, 1928-1929, 1943, 1948-
<br /> 1956-57, 1963-1964, 1972-1973, and 1976-1978. 1949, 1957-1958, 1961, 1968, 1984, 1986, and
<br /> The most severe sustained drought in the tree-ring 1996-1997.
<br /> record for the Colorado River Mainstem Basin
<br /> occurred in 1579-1598.
<br /> Colorado first developed a statewide plan to
<br /> Colorado River at Lee's Ferry respond to drought in 1981. The purpose of the
<br /> 24 . . 1 , — state's plan is to "provide an effective and
<br /> 22- - systematic means for the State of Colorado to deal
<br /> - 20- - with emergency drought problems which may occur
<br /> i to- j�l ++ over the short or long term." The plan is intended
<br /> LL s_ i� �' ji ` I 1, �,,ij - to better coordinate the assessment of emerging
<br /> a 1+ ,l n� 1 i � I; d• ,�hL..l. I •.� � ., Il��lI.. impacts, the dissemination of
<br /> 112_. F 11, z)r. @r ,1 ' .1y., row!{ 'j ��vio , drought and its p s, t
<br /> 1 I� , 1 I I '11 I'I - information about drought and alternate response
<br /> Q 10 i '' - options available to local governments, and the
<br /> 8- I - decision when the state would request federal
<br /> - disaster assistance. While Colorado's plan is
<br /> 4- - nationally recognized as a model for state
<br /> 1500 1550 1800 1650 1700 1750 1800 1850 1900 1950
<br /> Year government to assess and respond to drought, it was
<br /> never intended to address local water supply and
<br /> demand management issues. Water resource
<br /> development and drought planning are clearly the
<br /> responsibility of individual, local water providers.
<br /> 5
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