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<br />001377 <br /> <br />. <br /> <br />. <br /> <br />March 14.2003 Forecast of Colorado River Flow into <br />Lake Powell (1) (Million Acre-feet) <br /> <br />USBR and National Weather Service <br />Aoril-Julv Water Year 2003 <br /> <br />Change From Last <br />Month's Projected <br />April-Julv Wat Yr 2003 <br /> <br />Maximum (2) <br /> <br />7.600 <br /> <br />Mean <br /> <br />4,800 . <br />2,300 <br /> <br />Minimum (2) <br /> <br />10.548 <br /> <br />-0,300 <br /> <br />-0.375 <br /> <br />7.448 .. <br />4,548 <br /> <br />0.200 <br />0,500 <br /> <br />0.225 <br />0.525 <br /> <br />. This month's A-J projected is 61 % of the 3D-year A-J average shown below. <br />.. This month's WY projected is 62 % of the 3D-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-Julv Flow <br /> <br />Water Year Flow <br /> <br />7,887 <br />7,135 <br />7,027 <br />15.404 (1984) <br />1,1 15 (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 />