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<br /> Table 4. <br />CLOUD SEEDING PROJECT AREA ESTIMATED INCREASED RUNOFF <br /> Average Increase in Increase in Runoff Increased <br />Project Areas Annua Runoff April 1 SWC. Runoff" Factor"" Runoff <br />"i~cre-feet\ "nercenO ;~~rcentl in-~rcent\ {acre.feet\ <br />Cache County 424,000 18.0 12.4 22.32 94,600 <br />West Box Elder 57,800 18.0 11.8 21.24 12,300 <br />Tooele County 43,300 20.0 11.3 22.60 9,800 <br />Sevier River 653.000 7.0 14.4 10.08 65,800 <br />Cedar-Beaver 135,000 7.0 12.9 9.03 12,200 <br />West Colorado 411,500 7.0 13.9 9.73 40,000 <br />Virgin River 192.400 7.0 11.0 7.70 14,800 <br />Total 1,917,000 249,600 <br />Northern Utah <br />Project 481.800 106,900 <br />Central and <br />Southern Utah <br />Project 1.435,200 142,600 <br />'April1 srowwalerconlenl <br />"lnCn:tase in annual runoff fOf a 10% increase in April 1 SWC. <br />"'Runoff Factor (percert) equals increase in Apnl1 SWC limes increase in runoff fOf a 10 percent increase in <br />April 1 SWC dIvided by 10. <br /> <br /> Table 5. <br />INCREASED RUNOFF AND COST FOR THE CLOUD SEEDING PROJECTS <br /> Increased Runoff Cost Cost <br />Project (acre-feet) ($) ($/acre-foot) <br />Northern Utah 106,900 87,800 082 <br />Central and Southern Utah 142,652 166.500 1.17 <br />Total 249.600 254.300 1.02 <br /> <br />of the state compared to the control stations. If data were available to include these two <br />factors, the cost per acre.foot would be less. <br /> <br />-9- <br />