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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1508 <br /> <br />acceptable irrigation shortages. Table D.lO indicates the number <br />of instances dur ing the 30-year study per iod in which the shortage in <br />irrigation supply for the various portions of the new PIA lands <br /> <br />exceeded the adopted acceptable shortage criteria. <br /> <br />TABLE D. 10 <br /> <br />NUMBER OF INSTANCES IRRIGATION SHORTAGES EXCEED <br />ACCEPTABLE IRR!GATION SHORTAGE CRITERIA <br /> <br />Percent of <br />Demand fo r <br />N'ew PIA <br />Lands <br /> <br />Number of Instances Shortages Exceeded <br />50% of Average 75% of Average 100% of Average <br />Demand in Any Demand in 2 Demand in 10 <br />Single Year Consect. Yrs. Consect.Yrs. <br /> <br />100 <br />75 <br />50 <br />25 <br />5 <br /> <br />l4 <br />10 <br />7 <br />4 <br />1 <br /> <br />2 <br />1 <br />1 <br />o <br />o <br /> <br />o <br />o <br />1 <br />1 <br />1 <br /> <br />The number of instances indicated in Table D.IO in which the <br /> <br />acceptable shortage criteria were exceeded are mutually exclusive; <br /> <br />viz. the instances not met shown in the 75 percent column do not <br /> <br />include any of the years included in the instances shown in the 50 <br /> <br />percent column, and the instances shown in the 100 percent column do <br /> <br />not include any of the years included in the instances shown in ei ther <br /> <br />the 50 percent or 75 percent columns. <br /> <br />D.4.l1 Water Storage Costs <br /> <br />The additional off-farm costs for water storage were estimated for <br /> <br />both a full irrigation supply and the minimum supply for which the <br /> <br />shortages do not exceed the acceptable shortage criteria. These <br /> <br />consist of the annual costs per acre-foot of average annual <br /> <br />33 <br />