The handbook of Technical irrigaTion informaTion - Hunter Industries

TablesPET AverageInchesperMonthInchesper DayGallons perAcre/DayWater Supply RequirementsAvailable Hours of Operation per Day24 20 16 12 10 8 6MinimumGPM perAcreMinimumGPM perAcreMinimumGPM perAcreMinimumGPM perAcreMinimumGPM perAcreMinimumGPM perAcre0.30 0.01 388 0.3 0.3 0.4 0.5 0.6 0.8 1.10.60 0.02 776 0.5 0.6 0.8 1.1 1.3 1.6 2.20.90 0.03 1164 0.8 1.0 1.2 1.6 1.9 2.4 3.21.20 0.04 1552 1.1 1.3 1.6 2.2 2.6 3.2 4.31.50 0.05 1940 1.3 1.6 2.0 2.7 3.2 4.0 5.41.80 0.06 2328 1.6 1.9 2.4 3.2 3.9 4.8 6.52.10 0.07 2715 1.9 2.3 2.8 3.8 4.5 5.7 7.52.40 0.08 3103 2.2 2.6 3.2 4.3 5.2 6.5 8.62.70 0.09 3491 2.4 2.9 3.6 4.8 5.8 7.3 9.73.00 0.10 3879 2.7 3.2 4.0 5.4 6.5 8.1 10.83.30 0.11 4267 3.0 3.6 4.4 5.9 7.1 8.9 11.93.60 0.12 4655 3.2 3.9 4.8 6.5 7.8 9.7 12.93.90 0.13 5043 3.5 4.2 5.3 7.0 8.4 10.5 14.04.20 0.14 5431 3.8 4.5 5.7 7.5 9.1 11.3 15.14.50 0.15 5819 4.0 4.8 6.1 8.1 9.7 12.1 16.24.80 0.16 6207 4.3 5.2 6.5 8.6 10.3 12.9 17.25.10 0.17 6595 4.6 5.5 6.9 9.2 11.0 13.7 18.35.40 0.18 6983 4.8 5.8 7.3 9.7 11.6 14.5 19.45.70 0.19 7370 5.1 6.1 7.7 10.2 12.3 15.4 20.56.00 0.20 7758 5.4 6.5 8.1 10.8 12.9 16.2 21.66.30 0.21 8146 5.7 6.8 8.5 11.3 13.6 17.0 22.66.60 0.22 8534 5.9 7.1 8.9 11.9 14.2 17.8 23.76.90 0.23 8922 6.2 7.4 9.3 12.4 14.9 18.6 24.87.20 0.24 9310 6.5 7.8 9.7 12.9 15.5 19.4 25.97.50 0.25 9698 6.7 8.1 10.1 13.5 16.2 20.2 26.97.80 0.26 10086 7.0 8.4 10.5 14.0 16.8 21.0 28.08.40 0.28 10862 7.5 9.1 11.3 15.1 18.1 22.6 30.29.00 0.30 11638 8.1 9.7 12.1 16.2 19.4 24.2 32.39.60 0.32 12413 8.6 10.3 12.9 17.2 20.7 25.9 34.510.20 0.34 13189 9.2 11.0 13.7 18.3 22.0 27.5 36.610.80 0.36 13965 9.7 11.6 14.5 19.4 23.3 29.1 38.811.40 0.38 14741 10.2 12.3 15.4 20.5 24.6 30.7 40.912.00 0.40 15517 10.8 12.9 16.2 21.6 25.9 32.3 43.112.60 0.42 16293 11.3 13.6 17.0 22.6 27.2 33.9 45.313.20 0.44 17068 11.9 14.2 17.8 23.7 28.4 35.6 47.4MinimumGPM perAcre*Note: Required GPM assumes a 70% system efficiency.49