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<br /> <br /> TABLt; B _ _ <br /> MODIFIED BLANEY- GRIDDLE FORMULA Curve 2 <br /> ESTIMATE OF MONTHLY AND SEASONA L CONSUMPTIVE USE OF WATER F OR Season Perennial <br /> A1falfa,Sweet Clover GROWN IN THE Blanca AREA <br />Month Midpoint Oays Mean Air Daylight Consumptive Climatic Growth Consump- ilonthly Mean Effective Irrigation <br />or of in Teinp. Hours Use Coef- Stage tive Use Consump- Ppt. Rainfall Demand <br />Period Period Period (°F) (%) Factor ficient Coeff. Coeff, tive Usa (ins) (ins) (ins) <br /> t P f = 0 kt kc k = kt• kc u = k.f rt re ui =~'e <br />Jan 15 31 24.6 6.90 1.70 0.30 0.63 0.19 0.32 0.28 0.13 0.19 <br />Feb 14 28 26.4 6.81 1.80 0.30 0.73 0.22 0.40 0.26 0.11 0.29 <br />Mar 15 31 37.5 8.34 3.13 0.34 0.86 0.29 0.91 0.46 0.27 0.54 <br />Apr 15 30 43.5 8.88 3.86 0.44 0.99 0.44 1.70 0.66 0.43 1.27 <br /> <br />May 15 31 48.0 9.87 4.74 0.52 1.08 0.56 2.65 0.87 0.60 2.05 <br />Jun 15 30 60.9 9.92 6.04 0.74 1.13 0.84 5.07 0.71 0.55 4.52 <br />Jul 15 31 64.7 10.08 6.52 0.80 1.11 0.89 5.80 1.41 1.13 4.67 <br />Aug 15 31 61.9 9.45 5.85 0.76 1.06 0.81 4.74 1.66 1.26 3.• <br />Sep 15 30 56.4 8.37 4.72 0.66 0.99 0.65 3.07 0.73 0.52 2.55 <br />Oct 15 31 47.8 7.82 3.74 0.52 0.91 0.47 1.76 0.80 0.52 1.24 <br />Nov 15 30 35.5 6.86 2.44 0.30 0.78 0.23 0.56 0.3i 0.16 0.40 <br />Dec 15 31 14.5 6.71 0.97 0.30 0.64 0.19 0.18 0.28 0.13 0.05 <br />Annual or Seasonal Total 27.16 8.43 5.81 21.35 <br />