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STREAMFLOW Stream flow for the Colorado River, Green River and San Juan River stations for June 2003 are shown in Table 2. Data presented in the following table was obtained from the monthly report of stream flow and reservoir contents in the Upper Colorado River Basin, as provided by the US Geological Survey Water Resources Division, Utah District. A comparison of monthly stream flow to average monthly stream flow during an 86 year period from 1914 to 1999 is presented for each following Table 2. T~hlp ') - Strpl'Im tlnw fnr thp rnlnr~n() Riv/"r, Gr/"pn Rivpr :Inn Sl'In TWin Riv/"r, Tlln/" ')001 % OF 86 YEAR MONTHLY (1914-1999) JUNE (1914-1999) OCT02-JUNE03 CUMULATIVE DISCHARGE JUNE DISCHARGE DISCHARGE (1000 a.f.) DISCHARGE (1000 A.F.) OCT02-JUNE03 Colorado River near Cisco, Ut 642 2191.3 Adjusted (a) 743 60% 2428.1 58% Green River at Green River, Ut 681 2145.7 Adjusted (b) 841 76% 2173.7 61% San Juan River near Bluff, Ut 70 425.0 Adjusted (c) 107 32% 532.7 40% Total 1,393 Adjusted Total 1,691 63% Colorado River at Lees Ferry (d) 662 ,) Adjusted for change in storage in Blue Mesa Reservoir. Storage began in Blue Mesa Reservoir on October 27, 1965 (a) Adjusted for change in storage in Flaming Gorge and Fontenelle Reservoirs. Storage began in Flaming Gorge Reservoir on December L 1962 and Fontenelle Reservoir in October of 1964. (b) Adjusted for change in storage in Navajo Reservioir. Storage began on June 27, 1962. Not adjusted for San Juan- Chama diversions ( c) Including the Paria River Discharge. Colorado River near Cisco, Utah 1400 ~ 1200 co o 1000 o s BOO ~ 600 q:: ~ 400 ~ U5 200 o Oct Nav Jan Feb Mar Apr ~~:~:: I:! ~::: :::-: i::i~~ :: r..... May t"..., f".:.-- Ill" r ii: ~i: Jun Jul Aug Sep Ittt:fl 86-year monthly average H>I 2002-2003 adjusted flow 2