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"" , STREA.l\1FLOW Stream flow for the Colorado River, Green River and San Juan River stations for December 31 are shown in Table 2. Data presented in the following table were 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 varying year periods from as long as 1914 to 2002 is presented for each following Table 2. T~hh~ 7 - ~tre~m flow for the rolor~cio River (Treen R iver ~nci ~~n Tll~n R iver ne~emher 7001 ~ , MONTHLY (MISC-2002) DECEMBER % LONG TERM (OCT03-DEC03) CUMULATIVE DISCHARGE DECEMBER DISCHARGE DISCHARGE (1000 a.f.) DISCHARGE (1000 A.F.) (OCT03-DEC03 ) Colorado River near Cisco, Ut 145 516.4 Adjusted (a) 150 72% 509.4 75% Green River at Green River, Ut 103 287.0 Adjusted (b) 76 51% 199.7 39% San Juan River near Bluff, Ut 34 127.0 Adjusted (e) ..,.., 49% 113.0 48% .).J Total 282 Adjusted Total 259 61% Colorado River at Lees Ferry (d) 615 (a) Adjusted for change in storage in Blue Mesa Reservoir. Storage began in Blue Mesa Reservoir on October 27, 1965 (b) Adjusted for change in storage in Flaming Gorge and Fontenelle Reservoirs. Storage began in Flaming Gorge Reservoir on December 1, 1962 and Fontenelle Reservoir in October of 1964. (e) Adjusted for change in storage in Navajo Reservoir. Storage began on June 27, 1962. Not adjusted for San Juan- Chama diversions (d) Including the Paria River Discharge. Colorado River near Cisco. Utah 1400 ::: 1200 <o 1000 o ~ 800 ~ 600 e;:: ~ 400 ~ en 200 o ------~._---------_._._--------_._-_._--_._~._--- ,ttJ!LiLLJ_l LL Oct Nov Dee Jan Feb Mar Apr May Jun Jul Aug Sep . aO-year monthly average i (~":'1 2003-2004 adjusted flow 2