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(1) <br />Month <br />No, of <br />days <br />April <br />May <br />June <br />July <br />August <br />September <br />October <br />TOTALS <br />23 <br />31 <br />30 <br />31 <br />31 <br />30 <br />31' <br />184 <br />BLANEY - GRIDDLE CONSUMPTIVE USE CALCULATIONS <br />FOR PASTURE GRASS - POCFiOP METHOD <br />ELEVATION: 5330 Feet <br />(2) (3) (4) (5) (8) (7) (8) (9, <br />Mean <br />Temp <br />(F) <br />48.7 <br />55.4 <br />64.1 <br />70.5 <br />6'8.5 <br />59.8 <br />48.8 <br />of Ann.' <br />Daylight <br />Hours <br />8.89 <br />s.si <br />9.97 <br />10.12 <br />9.48 <br />8.37 <br />7.80 <br />Growth <br />Coeff. <br />K(c) <br />0.86 <br />D.s <br />0.92 <br />0.92 <br />0.91 <br />0.87 <br />0.8 <br />~~Elev. <br />Adfusted <br />Growth <br />Coeff. <br />0,886 <br />0.926 <br />0.941 <br />0.941 <br />0.931 <br />0.898 <br />-0.828 <br />TOTE: <br />;onsumpUve use calculations are based on the <br />codified Blaney-Criddte Method as outlined by the <br />.CS in their Technical Release No. 21 (1'R 21) with turt grass <br />rowth stage coefficients and temperature coefficients <br />codified per Pochop, 1984. . <br />:OI:UMN EXPLANATIONS: <br />1) Total Growing Season (Site Specific) <br />2) Monthly mean Temperature (Site specific) <br />3) Annual daylight Hours for latitude <br />4) Calibrated Blaney-Griddle turf growth stage <br />coefficients (Kc) based on the Pochop method. <br />5) Growth stage coefficients with Pochop <br />elevation correction factor. <br />Temp. <br />Coeff. <br />K(t) <br />0.803 <br />0.832 <br />0.860 <br />0.881 <br />0.875 <br />0.846 <br />0.810 <br />INCHES-- <br />FEET•---> <br />Potential <br />E(t) . <br />(in) <br />2,96 <br />4.23 <br />5.17 <br />5.92 <br />5.29 <br />3.80 <br />2.55 <br />29.90 <br />2.49 <br />Total <br />Precip. <br />(in) <br />0.95 <br />1.os <br />0.95 <br />1.01 <br />1.D5 <br />1.19 <br />1.35 <br />7.56 <br />0.63 <br />Effective <br />Precip. <br />(in) <br />0.67 <br />0.80 <br />0.75 <br />0.83 <br />0.84 <br />0.87 <br />0,57 <br />5.33 <br />0.44 <br />~... , <br />_i. <br />Excess <br />Precip. <br />(in) <br />0.28 <br />0.26 <br />0.20 <br />0..18 <br />0.21 <br />0.32 <br />0.78 <br />2.23 <br />0.19 <br />(6) Blaney-Griddle temperature coefficients <br />based on the Pochop method. <br />(7) Pochop modified Blaney-Griddle Potential <br />Evapotranspiration, cols (2)"(3)"(5)"(6)/100 <br />(8) Site specific average precipitation <br />(9) SCS Technical Release #21, Sept. 1970, Pg. 27 <br />(10) Precipitation not available for crop <br />.growth. Cols (8)-(9), <br />(11) Consumptive Use supplied by irrigation <br />or carry over soil moisture, columns (6)-(8). <br />Net <br />Irr. <br />R}9• h, f' <br />Y I <br />( <br />: <br />~ /,ii ll~ 10 <br />1.70 <br />3:43-------_ <br />4.42 CL <br />5,08 <br />4.45 <br />2.93 <br />1.97 <br />23.98 <br />2.00 <br />3-Jan-01 RESOURCE ENGINEERING, INC. 999-1.0 <br />