AZ vs. CA:24 California Exhibits, Vol. XXIV; Miscellaneous

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220 PROBLEMS OF IMPERIAL VALLEY AND VICINITY. Monthly record of run-off at important gaging stations-Continued. COLORADO RIVER AT YUMA, ARIZ. [Unit ofrun-ofl, 1,000 acre-feet. Drainage area, 242,000 square miles.] Year. Mean. Percent... Monthly discharge of Colorado River at Yuma, Ariz., for years 1902-1920. [Gaging station, sec. 35, T. 16 S., R. 22 E. Drainage area, 242,000 square miles.] Month. Discharge for year ending Dec. 31,1902. Maximum. Mini- ! Total in Mean- acre-feet. Discharge for year ending Dec. 31,1903. Maximum. Minimum. Mean. Total in acre-feet. January... February. March..... April...... May....... June...... July....... August__ September October... November December. Year 4,520 4,720 5,310 11,400 59,200 56.200 27,000 5,560 8,360 6,600 5,540 12,600 59,200 3,230 3,300 4,340 4,340 11,400 29,000 5,130 3,230 3,0.50 3,140 3,140 3,590 3,050 3,727 3,955 4,903 6,197 35,960 42,520 12,530 4,180 3,820 4,300 4,190 5,410 229,000 220,000 301,000 368,000 2,211,000 2,530,000 770,000 257,000 227,000 264,000 249,000 333,000 3,900 4,100 9,525 31,600 56,400 72,219 69,500 19,900 9,200 15,806 6,386 5,345 2,694 2,800 3,375 9,200 13,100 28,300 20,350 6,200 5,000 6,128 4,675 3,170 3,089 3,370 6,120 14,300 ¦33,700 53,100 37,500 10,900 6,800 8,400 5,400 4,300 190,000 187,000 376,000 852,000 2,070,000 3,160,000 2,300,000 668,000 404,000 522,000 321,000 267.000 10,970 7,960,000 72,219 2,694 15,600 11,300,000 Month. Discharge for year ending Dec. 31,1904. Discharge for year ending Dec. 31,1905. Maximum. Minimum. Mean. Total in acre-feet. Maximum. Minimum. Mean. Total in acre-feet. January... February. March..... ¦April...... May....... June...... July....... August- September October... November December. Year 4,007 4,310 9,320 19,400. 45,900 51,200 38,900 24,000 18,500 23,200 7,960 5,080 3,350 3,340 4,450 5,600 17,000 32,800 14,600 13,000 5,540 5,660 4,750 3,480 3,635 3,800 6,000 8,060 27,700 43,800 23,000 17,100 11,600 11,600 6,150 4,480 224,000 , 218,000 368,000 479,000 1,700,000 2,610,000 1,417,000 1,050,000 692,000 716,000 366,000 275,000 27,500 82,800 111,000 97,500 59,000 94,300 57,800 17,500 9,670 15,500 103,000 77,400 3,750 5,800 23,500 19,500 33,900 61,500 16,800 6,850 5,060 5,220 5,620 5,900 8,130 28,100 50,500 37,800 42,200 76,500 30,300 12,100 6,500 8,010 12,000 15,400 500,000 1,560,000 3,110,000 2,250,000 2,590,000 4,550,000 1,860,000 744,000 387,000 494,000 714,000 945,000 51,200 3,340 13,900 10,100,000 111,000 3,750 27,300 19,710,000