Laserfiche WebLink
<br />001213 <br /> <br />. <br /> <br />. <br /> <br />Auaust 15. 2000 Forecast of O:llorado River Flow into <br />lake Powell{l) (Million Acre-feet) <br /> <br />USBR and National Weather Service <br />ADril-Julv Water Year 2000 <br /> <br />Change Frean Last <br />Month I s Foreca5l; <br />ADril-Julv Wat Yr 2000 <br /> <br />Maximum (2) <br /> <br />Mean <br /> <br />4.352 * <br /> <br />7.248 ** <br /> <br />+0.002 <br /> <br />-0.098 <br />-0.098 <br /> <br />4.352 <br /> <br />7.548 <br /> <br />+0.002 <br /> <br />Minino.Jm (2) <br /> <br />4.352 <br /> <br />6.948 <br /> <br />+0.002 <br /> <br />-0.098 <br /> <br />* 'lb:is month I s A-J forecast is 56% of 30-year A-J average shown below. <br />** 'lb:is month's WY forecast is 62% of 30-year WY average shown below. <br /> <br />Comoarison with oast records <br />of O:llorado River <br />inflow into lake Powell <br />(at lee Feny prior to 1962) <br /> <br /> ADril-,Jul v Flow Water Year Flow <br />IDng-Time Average (1922-99) 8.065 11.927 <br />30-yr. Average (1961-90) 7.735 11.724 <br />10-yr . Average (1990-99) 7.321 11. 238 <br />Max. of Record 15.404 (1984) 21. 873 (1984) <br />Min. of Record 1. 286 (1977) 3.663 (1977) <br />Last Year (1999) 7.621 12.712 <br /> <br />(1) Under =rrlitions of no other Upper Basin reseJ:Voirs. <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 mininu.mt value. <br /> <br />-5- <br />