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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

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