Laserfiche WebLink
<br />Table ~ Annual Streamflow Augmentation Estimates <br />For the Upper Colorado River Basin <br /> <br />Year <br /> <br />Upper Basin <br />Computed <br />Virgin Flow <br />at Lee Ferry <br /> <br />Percent <br />Virgin Flow <br />of 35-year <br />Average <br /> <br />NAWC <br />Estimated <br />Augmentation <br />Potential <br /> <br />Percent <br />Augmentation <br />Potential <br /> <br />Acre-ft <br />(In Thousands) <br /> <br />106 m3 <br /> <br />Acre-ft <br />(In Thousands) <br /> <br />106 m3 <br /> <br />1952 25 584 20,741 148 2531 2,052 9.9 <br />1953 13 909 11,276 81 1307 1,060 9.4 <br />1954 10 483 8,499 61 1159 940 ILl <br />1955 12 332 9,998 71 1289 1,045 10.5 <br />1956 14 271 11,570 83 1663 1,348 11.7 <br />1957 24 740 20,057 143 2316 1,878 9.4 <br />1958 20 687 16,771 120 2012 1,63l 9.7 <br />1959 11 691 9,478 68 1263 1,024 10.8 <br />1960 14 698 11,916 85 1530 1,240 10.4 <br />1961 11 589 9,395 67 1340 l,086 11.6 <br />1962 21 751 17,634 126 2024 1,641 9.3 <br />1963 11 576 9,385 67 1211 982 10.5 <br />1964 13 522 10,962 78 1264 1,025 9.4 <br />1965 23 095 18,723 134 2091 1,695 9.1 <br />1966 14 362 11 , 643 83 1169 948 8.1 <br />1967 14 728 11 , 940 85 1447 1,173 9.8 <br />1968 16 906 13,706 98 1642 1,331 9.7 <br />1969 18 235 14,783 106 1642 1,331 9.0 <br />1970 18 883 15,309 99 1840 1,492 9.7 <br />1971 18 790 15,233 109 1707 1,384 9.1 <br />Average 16 592 13,451 96 1622 l,3l5 9.8 <br />(1952-1971) <br />Average 17 268 13,999 <br />(1942-1976) <br />