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<br />Ull1387 <br /> <br />. <br /> <br />) <br /> <br />. <br /> <br />June 5, 2003 Forcast of Colorado River Flow into <br />Lake Powell (1) (Million Acre-feet) <br /> <br />USBR and National Weather Service <br />April-July Water Year 2003 <br /> <br />Change From Last <br />Month's Proiected <br />April-July Wat Yr 2003 <br /> <br />Maximum (2) <br /> <br />6000 <br /> <br />Mean <br /> <br />4,000 . <br /> <br />Minimum (2) <br /> <br />2,000 <br /> <br />9,078 <br /> <br />-1 , 1 00 <br /> <br />-1,123 <br /> <br />6,678 .. <br /> <br />-0,800 <br />-0,600 <br /> <br />-0,823 <br />-0,623 <br /> <br />4,278 <br /> <br />. This month's A-J projected is 50 % of the 30-year A-J average shown below, <br />.. This month's WY projected is 56 % of the 30-year W-Y average shown below, <br /> <br />Comparison with past records <br />of Colorado River <br />inflow into Lake Powell <br />(at Lee Ferry prior to 1962) <br /> <br />Long-Time Average (1922-2002) <br />30-yr. Average (1961-90) <br />10-yr. Average (1993-2002) <br />Max, of Record <br /> <br />Min, of Record <br /> <br />Last Year (2002) <br /> <br />April-July Flow <br /> <br />Water Year Flow <br /> <br />7,887 <br />7,735 <br />7,027 <br />15.404 (1984) <br />1,115 (2002) <br />1,115 <br /> <br />11,699 <br />11,724 <br />11,260 <br />21,873 (1984) <br />3,058 (2002) <br />3,058 <br /> <br />(1) Under conditions of no other Upper Basin reservoirs, <br /> <br />(2) USBR and NWS forecasts indicate the probability of 19 chances out of <br />20 that the actual flow will not exceed the maximum value, and will not be <br />less than the minimum value, <br /> <br />-5- <br />