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<br />153 <br /> <br />::~~ <br /> <br />,) <br /> <br />t\) <br />~~. <br />~ <br />~i <br /> <br />TABLE 5.1(a) <br /> <br />Colorado River Basin Water Budget <br />for the Period 1941-1962 <br /> <br />(22 year totals in MAF) <br /> <br /> Measured Modeled <br />Colorado River (1) 115 115 <br />Green River (1) 94 94 <br />San Juan River (1) 38 38 <br />San Rafael River (1) 2 2 <br />Side inflows (2) 9 9 <br />TOTAL POWELL INFLOW 258 258 <br />- llS Powell (5) 0 0 <br />- Evap. Powell (5) 0 0 <br />Powell discharge (1) 258 258 <br />Side inflow (2) 13 13 <br />TOTAL MEAD INFLOW 271 271 <br />- lIS Mead (1) 2 1 (4) <br />- Evap. Mead (3) - 19 - 18 (4) <br />Mead discharge (1) 250 252 <br />Notes: <br /> <br /> <br />(1) USGS Water Supply Papers; inputs to model. <br />(2) Above Powell from Iorns et a1., (1965) p. 34; Above Mead from <br />USBR information (USBR, 1971a, pp. 32-33), and Feeny (1975). <br />Slightly higher estimates in (USBR, 1969, p. 3, Ch. 5). <br />(3) USGS Water Supply Papers <br />(4) Modeled evaporation from evaporation versus storage tables, <br />Change in storage modeled as llS = I - E - D. <br />(5) The period 1941-1962 precedes the filling of Lake Powell. <br />