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Table 11: NOAA Free Water Surface Evaporation <br /># NOAA Free Water Surface GRASS Arc/Info Acre diff. % error <br />Evaporation <br />1 32.50351167 4 351174 0 66.0 0 0.001 9 <br />2 37.50769124 7 769143 2 185.0 0 0.002 4 <br />3 42.50866235 8 866250 2 144.0 0 0.001 7 <br />4 47.50294005 8 294004 4 14.0 0 0.000 5 <br />5 52.50147238 7 147241 0 23.0 0 0.001 6 <br />6 57.5036491 0 36496 3 53.0 0 0.014 5 <br />7 62.503599 3 3599 7 4.0 0 0.011 1 <br />8 TOTAL SUM.24678627-- -- 489.0 0 0.002 0 <br />Table 12: Pan-A Coefficients for Evaporation <br /># Pan-A Coefficients for Evaporation GRASS Arc/Info Acre diff. % error <br />1 69 percent95941 7 95976 9 35 2 0.036 7 <br />2 71 percent547961 7 548075 1 113 4 0.020 7 <br />3 73 percent839151 6 839259 2 107 6 0.012 8 <br />4 75 percent717478 5 717519 1 40 6 0.005 7 <br />5 77 percent267071 4 267077 6 6 2 0.002 3 <br />6 TOTAL SUM.2467604 9 - -- 303 0 0.012 3 <br />Table 13: Pan-A Evaporation <br /># Pan-A Evaporation GRASS Arc/Info Acre diff. % error <br />1 23 inches2698 1 2687 9 10 2 0.378 0 <br />2 28 inches93297 3 93385 6 88 3 0.094 6 <br />3 33 inches420192 8 420394 4 201 6 0.048 0 <br />4 38 inches734255 2 734301 3 46 1 0.006 3 <br />5 43 inches591318 5 591334 8 16 3 0.002 8 <br />6 48 inches322486 3 322519 4 33 1 0.010 3 <br />7 53 inches246088 4 246150 2 61 8 0.025 1 <br />8 58 inches33245 1 33253 5 8 4 0.025 3 <br />9 63 inches23867 9 23881 4 13 5 0.056 6 <br />1 0 TOTAL SUM.2467449 6 - -- 479 3 0.019 4 <br />Page 8 <br />01/03/97 2.03-03 - Lange <br />