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<br />...... <br />..,. <br />CD <br />N <br /> <br />Co <br /> <br />Table 3--continued <br /> <br />Runoff volumes, Colorado River near Grand Canyon, Arizona* <br /> <br />Volume <br /> <br />Water year** <br /> <br />Maximum discharge <br /> <br />Annual <br />water year <br /> <br />Million <br />acre-feet <br />1950-51..............: 9.84 <br />1951-52..............; 18.16 <br />1952-53..... ......... ; 8.88 <br />1953-54..............; 6_,23. : <br />1954-55..............; 7,~51 <br />1955-56..............: 8.80 <br />1956-57..............: 17.50 <br />1957-58..............; 14.55 <br />1958-59... .... ...... . ; €,23 <br />1959-60........... ... ; 9.58 <br />1960-61. . . . . . . . . . . . . . ; 7,05 <br />1961-62..............: 15.25 <br />1962-6311II........... .; 6.85 <br />1963-641/#.. .. .. .. . . .. : 8.30 <br />1964-65*** ##........; 16.13 <br />1965-66*** ##........ : 9.25 <br />Maximum probable; ; <br />spring flood###....:............; <br /> <br />April <br />thru July <br /> <br />Million <br />acre-feet <br />6.28 <br />14.06 <br />5.43 <br />3.24 <br />4.34 <br />6.13 <br />12.88 <br />9.93 <br />4.03 <br />6.12 <br />3.84 <br />10.85 <br />3.29 <br />5.58 <br />11.94 <br />4.64 <br /> <br />Date <br /> <br />Mean daily <br /> <br />IJun <br />14 Jun <br />17 Jun <br />27 May <br />14 Jun <br />6 Jun <br />13 Jun <br />2 Jun <br />17-19 Jun <br />10 Jun <br />5 -6 J un <br />16-17 May <br /> <br />Cubic feet <br />per second <br />61,900 <br />122,000 <br />67,900 <br />32,000 <br />36,300 <br />64,800 <br />124,000 <br />107,000 <br />37,800 <br />: 45,800 <br />39,200 <br />84,900 <br /> <br />. . <br />..................... .... <br /> <br />. . <br />......................... <br /> <br />. . <br />......................... <br /> <br />. . <br />......................... <br /> <br />31. 00 <br /> <br />. . <br />.............. <br /> <br />Mean (53 years) <br /> <br />12.97 <br /> <br />584,000 <br /> <br />8.82 <br /> <br />.......................... <br /> <br />* See plate 2. <br />** 1 October-30 September, inclusive. <br />*** Provisional data. <br /># Estimated value. <br />## Estimated flow unregulated by Colorado River Storage Project <br />reservoirs. <br />### Developed by Bureau of Reclamation. Not included in April through <br />July mean volume. <br /> <br />23 <br />