Platte River Ecosystem Resources and Management, with Emphasis on the Big Bend Reach in Nebraska
Tables
Table 18. Estimated mean May/June pulse flow shortage (thousand acre-feet (kaf)) at Grand Island compared to the total May and June volume for the wet and average years (M. Butler, USFWS, personal communication). The dry years excluded are: 1946, 1953-57, 1959, 1961, 1963-64, 1981, 1991-92.
| Year | May cfs |
Jun cfs |
Total kaf |
Shortage from 456 kaf |
| 1941 | 231 | 190 | 25.9 | 430.1 |
| 1942 | 8,617 | 4,824 | 826.4 | 0.0 |
| 1943 | 1,401 | 1,333 | 168.1 | 287.9 |
| 1944 | 2,826 | 674 | 215.2 | 240.8 |
| 1945 | 965 | 2,522 | 214.4 | 241.6 |
| 1947 | 906 | 3,908 | 296.0 | 160.0 |
| 1948 | 778 | 614 | 85.6 | 370.4 |
| 1949 | 2,383 | 5,587 | 490.0 | 0.0 |
| 1950 | 1,676 | 747 | 148.9 | 307.1 |
| 1951 | 1,983 | 2,508 | 276.1 | 179.9 |
| 1952 | 2,168 | 1,256 | 210.5 | 245.5 |
| 1958 | 2,262 | 1,921 | 257.2 | 198.8 |
| 1960 | 1,400 | 1,373 | 170.5 | 285.5 |
| 1962 | 822 | 2,305 | 192.3 | 263.7 |
| 1965 | 1,241 | 2,512 | 230.8 | 225.2 |
| 1966 | 616 | 428 | 64.2 | 391.8 |
| 1967 | 480 | 5,409 | 362.1 | 93.9 |
| 1968 | 839 | 650 | 91.6 | 364.4 |
| 1969 | 1,149 | 1,257 | 147.9 | 308.1 |
| 1970 | 1,842 | 2,133 | 244.4 | 211.6 |
| 1971 | 7,490 | 9,050 | 1,017.0 | 0.0 |
| 1972 | 2,597 | 638 | 198.9 | 257.1 |
| 1973 | 10,307 | 10,499 | 1,279.3 | 0.0 |
| 1974 | 2,275 | 1,011 | 202.1 | 253.9 |
| 1975 | 962 | 1,824 | 171.3 | 284.7 |
| 1976 | 1,080 | 328 | 86.6 | 369.4 |
| 1977 | 1,817 | 969 | 171.3 | 284.7 |
| 1978 | 920 | 326 | 76.6 | 379.4 |
| 1979 | 1,209 | 2,056 | 200.8 | 255.2 |
| 1980 | 8,653 | 5,864 | 892.6 | 0.0 |
| 1982 | 1,015 | 674 | 103.9 | 352.1 |
| 1983 | 7,959 | 16,995 | 1,534.4 | 0.0 |
| 1984 | 12,187 | 9,098 | 1,308.8 | 0.0 |
| 1985 | 2,384 | 1,369 | 230.7 | 225.3 |
| 1986 | 3,299 | 3,025 | 388.8 | 67.2 |
| 1987 | 3,336 | 3,897 | 444.8 | 11.2 |
| 1988 | 2,076 | 515 | 159.3 | 296.7 |
| 1989 | 409 | 970 | 84.8 | 371.2 |
| 1990 | 1,723 | 686 | 148.1 | 307.9 |
| 1943-1992 minimum | 409 | 326 | 64.2 | 0.0 |
| 1943-1992 maximum | 12,187 | 16,995 | 1,534.4 | 391.8 |
| 1943-1992 average | 2,633 | 2,890 | 339.6 | 218.7 |
| 1970-1992 minimum | 409 | 326 | 76.6 | 0.0 |
| 1970-1992 maximum | 12,187 | 16,995 | 1,534.4 | 379.4 |
| 1970-1992 average | 3,677 | 3,596 | 447.2 | 196.4 |
Previous Section -- Table 17
Return to Contents
Next Section -- Table 19
