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<br />, ' <br /> <br />. <br /> <br />.' <br />. <br /> <br />001443 <br /> <br />. <br /> <br />June 3. 2004 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 2004 <br /> <br />Change From Last <br />Month's Proiected <br />Aoril-Julv Wat Yr 2004 <br /> <br />Maximum (2) <br /> <br />5.400 <br /> <br />Mean <br /> <br />3.400 . <br /> <br />Minimum (2) <br /> <br />1.400 <br /> <br />8,345 <br /> <br />-0,900 <br /> <br />-0,900 <br /> <br />5,945 .. <br /> <br />-0,600 <br />-0.400 <br /> <br />-0,600 <br />-0,400 <br /> <br />3,545 <br /> <br />. This month's A-J observed is 43% of the 30-year A-J average shown below, <br />.. This month's W- Y observed is 49% of the 30-year W- Y average shown below, <br /> <br />Comoarison with oast records <br />of Colorado River <br />inflow into Lake Powell <br />(at Lee Ferry prior to 1962) <br /> <br />Long-Time Average (1922-2003) <br />30-yr, Average (1961-90) <br />10-yr. Average (1994-2003) <br />Max, of Record <br /> <br />Min, of Record <br /> <br />Last Year (2003) <br /> <br />Aoril-Julv 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 />3,918 <br /> <br />11,699 <br />11,724 <br />11,260 <br />21,873 (1984) <br />3,058 (2002) <br />6,358 <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 />