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Show PROBLEMS.OF IMPERIAL VALLEY AND VICINITY. 221 Monthly discharge oj Colorado River at Yuma, Anz.,for years 1902-1920-Continued. Month. Discharge for year ending Dec. 31,1906. Discharge for year ending Dec. 31,1907. Maximum. Minimum. Mean. Total in acre-feet. Maximum. Minimum. Mean.. Total in acre-feet. January.......... February........ March............ April....... 16,160 14,800 75,000 44,100 79,800 99,200 74,200 25,600 14,500 15,900 12,500 60,000 4,620 6,360 6,740 25,500 35,100 65,000 27,000 13,400 9,600 8,600 8,430 6,800 6,870 9,560 25,400 32,500 54,100 84,200 39,000 19,200 11,700 11,700 9,710 18,300 422,000 .531,000 1,560,000 1,930.000 3,330,000 5,010,000 2,400,000 1,180,000 690,000 719,000 578,000 1,130,000 44,300 31,300 68,700 50,500 68,800 115,000 114,000 61,900 43,300 18,800 16,300 8,800 12,700 12,400 14,800 24.700 28', 600 T2,200 52,400 23,100 13,100 10,100 8,800 5,800 21,500 18,800 24,100 35,300 37,900 94,800 96,500 37,600 23,200 13,600 10,800 7,450 1,320,000 1,040,000 1,480,000 2,100,000 2,330,000 5,640,000 5,930,000 2,310,000 1,380,000 836,000 643,000 458,000 May.... June...... July........... August........... September....... October.......... November....... December........ Year....... 99,200 4,620 26,900 .19,500,000 115,000 5,800 35,100 25,500,000 Month. Discharge for year(ending Dec. 31,1908. Discharge for year ending Dec. 31,1909. Maximum. Minimum. Mean. Total in acre-feet. Maximum. Minimum. ' Mean. Total in acre-feet. January.......... February........ March............ 7,400 45,000 33,000 35,000 33,700 61,700 53,800 36,100 19,300 20,600 10,200-72,500 5,600 6,300 10,100 12,900 23,000 30,000 18,900 18,600 7,000 6,600 6,000 6,000 6,320 14,200 16,100 17,800 27,200 42,900 32,600 24,300 11,400 9,510 8,090 15,900 389,000 817,000 990,000 1,060,000 1,670,000 2,550,000 2,000,000 ,1,490,000 678,000 585,000 481,000 978,000 31,500 25,100 35,900 46,800 73,900 149,500 133,700 54,100 93,200 20,700 10,900 11,900 5,800 11,400 11,100 20,300 32,400 75,100 34,400 25,000 21,300 11,000 8,300 4,100 10,000 13,900 15,900 30,300 54,100 10">,000 79,600 40,800 48,500 14,000 9,440 8,410 615,000 772,000 978,000 1,800,000 3,330,000 6,250,000 4,890,000 2,510,000 2,890,000 861,000 562,000 517,000 April........... May.............. June__. July........... August........... September....... October.......... November....... December........ Year....... 72,500 5,600 .18,900 13,700,000 149,500 4,100 35,800 26,000,000 Month. Discharge (pr year ending Dec. 31,1910. Discharge for yeat ending Dec. 31,1911. Man-mum. Minimum. Mean. Total in acre-feet. Maximum. Minimum. Mean. Total in acre-feet. January.......... February......... March..... 67,500 10,800 40,200 38,900 70,300 69,400 25,200 13,200 11,300 13,500 9,500 8,200 4,600 8,100 7,700 22,500 40,900 26,500 6,900 6,300 4,600 4,300 6,300 5,600 18,800 9,160 24,400 28,700 56,500 47,000 14,700 9,620 6,170 6,980 7,850 6,940 1,160,000 509,000 1,500,000 1,710,000 3,470,000 2,800,000 904,000 592,000 367,000 429,000 467,000 427,000 18,700 25,700 34,500 25,900 64,20C 78,300 69,000 46,500 13,300 60,200 19,200 10,100 3,700 7,000 6,100 15,600 27,000 50,300 37,800 10,000 6,300 7,800 9,300 5,500 8,800 13,400 17,400 20,400 45,000 64,200 50,100 18,400 8,900. 28,600 12,140 7,600 541,000 743,000 1,070,000 1,210,000 2,760,000 3,820,000 3,080,000 1,130,000 530,000 ' 1,760,000 722,000 465,000 April... • May.... June............. July.... August........... September....... October.......... November........ December........ Year....... 70,300 4,300 19,700 14,300,000 78,300 3,700 24,600 17,800,000 Month. Discharge for year ending Dec\ 31,1912. Discharge for year ending Dec. 31,1913. Maximum. Minimum. Mean. Total in acre-feet. Maximum. Minimum. Mean. Total in acre-feet. January.......... February......... March__ 8,200 8,800 24,800 34,700 76,500 144,000 65,200 42,000 15,000 20,700 18.500 8,300 3,400 6,500 7,000 13,700 15,400 57,100 33,400 11,900 7,500 9,200 8,500 5,200 5,390 7,370 13,300 21,100 40,800 108,000 46,600 22,700 9,780 11,000 11,800 6,560 331,000 424,000 818,000 1,260,000 2,510,000 6,430,000 2,870,000 1,400,000 582,000 676,000 702,000 403,000 6,700 7,500 11,800 40,500 49,700 62,500 32,000 16,700 18,800 25,000 10,500 8,400 2,600 5,300 7,700 9,300 27,300 32,000 12,700 5,000 4,400 7,200 5,800 4,500 3,860 6,070 9,070 25,600 38,400 47,500 21,200 9,430 8,820 10,300 7,930 6,390 238,000 337,000 558,000 1,520,000 2,360,000 2,830,000 1,300,000 580,000 525,000 635,000 472,000 393,000 April... May__ June.. July.... August........... September....... October.......... November........ December........ Year....... 144,000 3,400 25,300 18,400,000 62,500 2,600 16,200 11,700,000 |