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Table 10 <br />Calibrated Crop Coefficients for Sugar Beets 1 <br /> Calibrated Coefficients <br />Percent of Growing <br />Season TR-21 Upper <br /> <br />Plains Lower <br /> <br />Plains <br />0 0.450 0.529 0.363 <br />5 0.460 0.345 0.371 <br />10 0.490 0.368 0.395 <br />15 0.540 0.406 0.420 <br />20 0.610 0.453 0.407 <br />25 0.690 0.470 0.460 <br />30 0.790 0.511 0.527 <br />35 0.870 0.562 0.659 <br />40 0.950 0.745 0.848 <br />45 1.030 0.941 0.919 <br />50 1.100 1.010 0.982 <br />55 1.160 1.061 1.132 <br />60 1.210 1.084 1.240 <br />65 1.240 1.136 1.271 <br />70 1.250 1.149 1.281 <br />75 1.250 1.196 1.437 <br />80 1.220 1.284 1.505 <br />85 1.180 1.292 1.456 <br />90 1.140 1.281 1.407 <br />95 1.100 1.548 1.734 <br />100 1.040 1.500 1.733 <br />' Calibrated crop coefficients can be used to estimate potential crop <br />consumptive use under full water supply conditions. <br />Table 11 shows average annual PCU estimates using the Upper Plains calibrated coefficients at <br />the Fort Lupton Climate Station and the Lower Plains calibrated coefficients at the Sterling <br />climate station. <br />Task59_l.doc (updated January 11, 2008) 19 of 32 <br />