Laserfiche WebLink
<br />STREAMFLOW <br />Streamflow for the Colorado River, Green River and San Juan River stations for January 1999 are <br />shown in Table 2. Data presented in the following table was obtained from the monthly report of <br />streamflow and reservoir contents in the Upper Coiorado River Basin, as provided by the U.S. <br />Geological Survey Water Resources Division, Utah District. A comparison of monthly <br />streamflow to average monthly streamflow during an 84 year period from 1914 to 1997 is <br />presented for each in figure 2 on page 4. <br /> <br />Table 2, <br /> <br />JANUARY <br />DISCHARGE <br />(1000 a.f.) <br /> <br />Streamtlow for the Colorado River. Green River and San Juan River, January 1999 <br />CUMULATIVE % OF 84 YEAR <br />MONTHL Y (1914-1997) <br />(IAN 99) CUMULA TlVE <br />DISCHARGE DISCHARGE <br />(1000 A.F,) (IAN 99) <br /> <br />% OF 83 YEAR <br />(1914-1996) <br />JANUARY <br />DISCHARGE <br /> <br />Colorado River <br /> <br />near Cisco, LIt <br /> <br />Adjusled (a) <br /> <br />Green River <br /> <br />al Green River, Ul <br /> <br />Adjusted (b) <br /> <br />San Juan River <br /> <br />near Bluff, Ul <br /> <br />Adjusted (c) <br /> <br />Total <br /> <br />Adiusted Tolal <br /> <br />Colorado River <br /> <br />at Lees Ferry (d) 908.8 <br /> <br />(a) Adjusted for change in storage in Blue Mesa Reservoir. Storage began in Blue Mesa Reservoir on October 27, 1965. <br />(b) Adjusted for change in storage in Aaming Gorge and Fontcnelle Reservoirs. Storage began in Flaming Gorge Reservoir <br />on November I, 1962. and in Fontenelle Reservoir in October of 1964. <br />(c) Adjusted for change in Navajo Reservo\r. Storage began on June 27, 1962. Not adjusted for San Juan-Chama <br />diversions. <br />(d) Including the Paria River discharge. <br /> <br />213.8 <br /> <br />r025.3 <br /> <br />202.1 <br /> <br />74% <br /> <br />967.7 <br /> <br />85% <br /> <br />189,1 <br />88.8 <br /> <br />62% <br /> <br />1045,3 <br />682,5 <br /> <br />106% <br /> <br />58.8 <br />41.1 <br />332 <br /> <br />59% <br /> <br />352.1 <br />368.5 <br /> <br />120% <br /> <br />FORECAST <br />January inflov...:; rangi;;d fi.oai 9110-124%, ofu.'...crage. Th~ April thrGugh Ju]y f0rCitst fi:lnges frOtal <br />85%-94% of average according to the February 4th final forcast. <br /> <br />Table 3. Flow comparisons of the Upper Colorado Ba<in Reservoirs <br /> F orcasl Outlook <br /> January Flow Percen1 of Feb-Apr 1999 Percenl of Apr-Ju! \999 Percenlof <br /> (1000 aJ) Average (1000 aJ.) Average (1000 a.f.) Average <br />Fontenelle 36 117,00% \70 98,80% 800 94.00% <br />Flaming Gorge 52 124.00% 310 98.10% 1130 94,00% <br />Blue Mesa 26 \06,00% \ \6 89,20% 595 85.00% <br />Navajo 2\ 91.00% 230 93.50% 670 87.00% <br />Lake powell 432 113,00% 1820 89,20% 6700 8700% <br />