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STREAMFLOW Stream flow for the Colorado River, Green River and San Juan River stations for December 2002 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. Table 2. Stream flow for the Colorado River. Green River and San Juan River. December 2002 CUMULATIVE % OF 86 YEAR % OF 86 YEAR MONTHL Y (1914-1999) DECEMBER (1914-1999) (OCT02-NOV02) CUMULATIVE DISCHARGE NOVEMBER DISCHARGE DISCHARGE (1000 a.f.) DISCHARGE (1000 A.F.) (OCT02-NOV02) Colorado River near Cisco, Ut 128 461. 8 Adjusted (a) 134 39% 470.4 84% Green River at Green River, Ut 84 285.3 Adjusted (b) 53 31% 208.6 58% San Juan River near Bluff, Ut 41 131.4 Adjusted ( c) 28 38% 98.3 58% Total 253 Adjusted Total 215 37% Colorado River at Lees Ferry (d) 608 (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 in Fontenelle Reservoir in October of 1964. (c) 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 1200 q 1000 co g 800 o ~ ~ 600 o E 400 co (I) c75 200 o Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug I . B6-year monthly average !~~ 2002-2003 adjusted flow 2