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<br />EXPLANATION <br /> <br /> <br />212 National Water Summary 1988-89-Floods and Droughts: STATE SUMMARIES <br /> <br /> <br /> <br />Areal Extent of Droughts <br /> <br />\) <br /> <br />o <br /> <br />1930-42 <br /> <br /> <br />1958-70 <br /> <br />Annual Departure <br /> <br />100 <br /> <br />1. BEAR CREEK AT MORRISON <br /> <br />" <br /> <br />,,, <br /> <br />,'00 <br /> <br />a <br />z <br />a <br />" <br />w <br />'" <br />~ <br />w <br />~ <br />I;i <br />w <br />~ <br />" <br />ffi <br />" <br />u <br />~ <br />ul <br />" <br />~ <br />" <br />:r <br />" <br />'" <br />is <br />w <br />~ <br />~ <br />" <br />a <br />~ <br />~ <br />w <br />~ <br />" <br />~ <br />~ <br />~ <br />" <br />" <br />z <br />z <br />" <br /> <br />eoo <br />400 <br /> <br />.4(1) <br /> <br />-800 <br /> <br />eoo <br />3<10 <br /> <br />,300 <br />,600 <br /> <br />6,000 <br />2,500 <br /> <br />4. COLORADO RIVER NEAR CAMEO <br /> <br />_2,600 <br />.5.000 <br /> <br />eo, <br />so, <br /> <br />-300 <br />.aoo <br /> <br />1,000 <br />6eo <br />, <br /> <br />.BOO <br /> <br /> <br />1949.57 <br /> <br /> <br />1976-82 <br /> <br />-1,000 <br />1800 1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 <br />WATER YEAR <br /> <br />Areal extent of major drought <br />Recurrence interval, <br />inyellr5 <br />10 More <br />to than <br />25 25 <br />I I 1930-42 <br />lB.iffl 1949-57 <br />I ,I 1958-70 <br />L')~Si:i1 1976-82 <br /> <br />Annual departure from average <br />stream discharge <br /> <br />'~" <br />Departure <br /> <br />Mapped drought. Color <br />corresponds to <br />drought date <br />1980 1990 <br /> <br /> <br />lOOMILES <br />I I <br />o 100 KilOMETERS <br /> <br />U.S. Geological Survey streamflow-gaging stations <br />and corresponding drainage basins- Numbers <br />refer to graphs <br /> <br />Figure 4. Areal extent of major droughts with a <br />recurrence interval of 10 years or more in Colo- <br />rado, and annual departure from average stream <br />discharge for selected sites for water years 1889- <br />1988. (Source; Data from U.S, Geological Survey files,) <br />