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- --.. - - ~ -...------- -- -- Table 1-6 Historical Flow South Platte River at South Platte' (acre-feet) WATER YEAR OCT NOV OEC JAN FEB MAR APR MAY JUN JUL AUG SEP TOTAL 1950 12,349 7,894 7,026 7,557 5,215 6,438 19,744 21,402 27.848 25,139 18,151 12.421 173,183 1951 11,054 6,652 7,206 5,318 4,939 8,922 9,225 22,773 39,444 33,109 30,687 12,405 193,732 1952 9,132 6,264 5,159 5,935 4,776 5,883 10,782 34,108 51,266 35,471 32,164 13,166 214,107 1953 9,616 8,906 5,369 5,155 3,667 5,387 7,379 22,106 41,515 38.420 35,780 13,337 196,638 1954 14,232 8,765 6,048 5,407 5,492 5,500 11,754 26,438 22,711 24,197 19,698 14,275 164,517 1955 13,200 6,879 3,886 4,306 3,892 5,018 10,290 24,572 17 ,407 15,664 37,413 19,621 162,147 1958 8,604 7,444 5,250 3,959 3,868 4.407 8,174 35,911 32,406 17,865 14,301 9,814 152,006 1957 6,419 5,109 5,072 3,783 3,779 3,205 8,787 34,674 62,032 67,173 57,694 19,744 277,470 1958 15,289 10,719 5,770 4,372 5,510 8,908 23,679 73,461 52,029 23,963 18,189 13,883 255,770 1959 8,598 3,925 3,146 3,612 3,318 4,556 6,779 16,324 36,395 26,012 27,099 11,594 153,358 1960 11,586 5,296 3,675 3,410 3,166 10,550 21,352 33,640 37,899 31,327 20,480 7,734 190,115 1961 7,043 5,052 3,511 3,356 5,820 12,236 9,646 21,154 22,842 32,625 44,748 25,440 193,473 1962 21,430 18,038 10,302 8,162 9,223 10.707 39,854 46,023 37,696 35.455 25,099 14.468 276,458 1983 M07 6,177 4.405 5,379 5,486 4,881 14,053 21,247 17,631 20,811 22,729 23,806 155,413 1964 15,680 7,387 5,072 4,590 3,382 10,489 14,208 34,440 24,659 33,049 32,192 16,112 201,258 1965 8,823 11,018 6,887 6,764 3,999 3,382 24,744 35.469 48,677 53,848 47,632 29,931 281.173 1966 15,485 9,471 7,301 5,334 4,163 6,782 13,928 29,290 25,456 30,835 27,049 15,334 190,430 1987 11,358 9,023 7,819 7,686 7,498 7,994 16,915 20,335 23,191 20,148 36,235 26,835 195,036 1968 13.422 7.434 7,077 7,071 6,730 9,441 9,773 22,844 32,763 42,693 49,024 22,826 231,100 1969 12,976 8,563 8,737 6,942 6,278 9,229 15,027 59,523 85,691 54,947 47.777 27,134 342,824 1970 22,112 23.415 14,368 12,278 9,390 11,048 52,091 149,516 112,306 75,786 53,531 23,009 558,849 1971 17,738 13,204 10,897 10,836 8,969 9,785 18,806 26.458 45,006 50,198 37,907 23,838 273,642 1972 12,127 10,134 9,642 9,679 8,928 13,321 16,729 30,106 42,322 38,143 31,317 15,818 238,266 1973 16.487 10,001 9,860 11,217 9,441 10,273 15,158 145,621 101,535 69,032 45,981 23,772 468,378 1974 16,185 12,752 11,360 10,451 10,727 13,555 17,740 39,585 36,861 42,984 33,686 17,782 263,669 1975 15,912 10,979 7,676 9,759 9,868 10,376 17,792 32,521 41,009 68,889 40,239 23,102 288,121 1976 14,585 10,098 11,510 11,861 13,740 8,577 19,889 31,659 39,745 48,397 51.498 24.464 286,023 1977 16,068 14,168 12,119 12,764 11,038 14,287 22,959 33,107 27,606 32,704 24,843 16,154 237,818 1978 24,026 12,258 10,794 13,795 11,316 11,748 13,022 21,029 36,223 42,877 34,497 18,591 250,177 1979 24,201 14,997 10,515 12,377 9,878 11,465 15,755 25,766 67,994 58,975 35,642 18,746 306,310 1980 24,217 14,977 10,304 12,377 11.484 10,398 19,119 117,185 114,388 61,990 40.483 24.453 461,376 Average 14,154 9,968 7,670 7,596 6,935 8,734 17 ,005 41,558 45,308 40.411 34,636 18,697 252,672 Median 13.422 9,023 7,206 6,942 5,820 9,229 15,158 31,659 37,899 35.471 34,497 18,591 237,818 Minimum 6.419 3,925 3,146 3,356 3,166 3,205 7,379 16,324 17.407 15,664 14,301 7,734 152,006 Maximum 24,217 23,415 14,368 13,795 13,740 14,287 52,091 149,516 114,388 75,786 57,694 29,931 558,849 Dry 164.63 Avg) 11,519 7,471 5,227 5,393 5.489 5,191 12,904 23,843 20,171 22,504 21,214 19,041 159,965 Wet (70.73 Avg) 19,299 16,708 12,114 11,747 9,416 10,660 33,624 147,568 106,921 72.409 49.756 23,390 513,613 .Data Sources: South Platte River at South Plane (USGS No 6707500) r1istorlc:.:d!lo 3123198