Lower South Platte River Study

• Contractor Name: Colorado Water Conservation Board
• Loan Projects - Doc Type: Feasibility Study

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Table 2-1
I Estimated Water Availability at North Sterling Canal Headgate(acre-feet)(from NCWCD,2000)(1)
Average 3,948 4,340 10,423 18,040 7,349 8,313 10,675 35,088 46,173 12,984 2,171 _ 4,612 164,116
Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Total
1943 0 0 15,221 28,486 0 0 0 0 0 0 0 0 43,707
I 1944 0 0 0 0 0 0 0 33,352 0 0 0 0 33,352
1945 0 0 4,026 4,794 0 0 0 0 0 0 0 0 8,821
1946 0 2,412 8,708 43,452 0 0 0 0 0 0 0 0 54,572
1947 0 0 2,560 2,132 0 0 0 0 89,714 105,954 0 0 200,360
I 1948
1949 0 0 16,748 16,453
3,211 0 0 51,297
7,204 0 0 0 0
189,630 3,605 0 0 84,499
0 0 0 0 0 0 0 203,650
1950 0 2,420 3,278 1,535 0 0 0 0 0 0 0 0 7,233
1951 0 0 3,234 1,722 0 0 0 0 0 0 0 0 4,957
I 1952 0 837 4,222 10,766 12,922 26,690 12,377 0 0 0 0 0 67,814
1953 0 0 1,695 6,319 0 0 0 0 0 0 0 0 8,015
1954 0 0 1,911 718 0 0 0 0 0 0 0 0 2,630
1955 0 0 0 0 0 0 0 0 0 0 0 0 0
1956 0 0 0 0 0 0 0 0 0 0 0 0 0
I 1957 0 0 0 0 0 0 0 83,301 85,265 0 0 0 168,566
1958 0 0 7,808 20,517 0 0 15,243 0 0 0 0 0 43,568
1959 0 0 2,875 64 0 5,788 22,628 8,794 0 0 0 0 40,149
1960 0 0 0 0 0 10,774 0 0 0 0 0 0 10,774
I 1961 0 0 0 0 0 0 0 13,079 33,927 0 0 0 47,006
1962 0 16,052 1,029 6,057 0 12,936 0 0 0 0 0 0 36,074
1963 0 0 1,767 349 14,450 6,516 0 0 0 0 0 0 23,083
1964 0 0 0 0 0 0 0 0 0 0 0 0 0
1965 0 0 0 0 0 0 0 0 6,686 24,410 0 0 31,096
I 1966 43,503 36,667 40,587 30,062 0 0 0 0 0 0 0 0 150,820
1967 0 0 0 0 0 0 0 0 56,261 48,800 0 0 105,061
1968 0 0 0 6,472 0 0 0 0 0 0 0 0 6,472
1969 0 0 0 847 0 0 0 0 0 7,441 0 0 8,288
I 1970
1971 0 4,896 44,132 34,817 0 0 25,716 0 0
168,941 19,585 0 0 0 109,561
0 0 20,772 29,421 0 0 0 0 0 0 238,720
1972 0 3,356 8,852 7,220 17,550 6,310 0 0 0 0 0 0 43,288
1973 0 0 2,532 23,857 33,517 19,164 53,028 493,379 183,311 0 0 20,017 828,806
I 1974 58,272 35,959 22,795 59,435 41,022 41,508 42,536 0 0 0 0 0 301,527
1975 0 0 0 11,754 0 0 0 0 0 0 0 0 11,754
1976 0 0 9,302 18,216 0 0 0 0 0 0 0 0 27,518
1977 0 0 0 0 0 0 0 0 0 0 0 0 0
1978 0 0 0 0 0 0 0 0 0 0 0
0
0 0
I 1979 0 0 0 0 0 0 0 0 0 0
33, 0 0
1980 0 0 33,278 42,513 21,231 58,140 102,994 391,626 206,152 0 0 0 855,935
1981 0 0 12,243 25,892 0 0 0 0 0 0 0 0 38,136
1982 0 0 0 0 0 0 0 0 0 0 0 0 0
I 1983 0
1984 18,615 0 31,013 74,313 25,139 23,925 70,562 348,982 691,682 273,625 52,117 34,961 1,626,320
0 43,390 78,260 86,351 45,733 136,949 311,116 131,262 0 0 88,540 940,217
1985 73,180 118,616 67,033 57,017 65,463 12,742 0 6,198 0 0 0 2,646 402,895
1986 0 0 41,099 65,209 33,471 526 74,251 0 37,208 0 0 18,603 270,367
I 1987 395 14,613 38,606 35,242 3,579 57,525 30,851 64,711 89,107 0 0 0 334,630
1988 0 0 3,651 41,974 49,516 0 0 0 0 0 0 0 95,142
1989 0 0 11,864 31,589 0 0 0 0 0 0 0 0 43,454
1990 0 0 0 38,005 0 0 0 0 0 0 0 0 38,005
1991 0 0 6,707 11,556 0 0 0 0 18,837 0 0 0 37,100
I 1992 0 0 0 31,968 0 27,243 0 0 0 0 0 0 59,211
1993 0 0 11,948 14,923 0 43,173 0 0 0 0 0 13,569 83,613
1994 2,900 0 18,765 27,040 0 0 0 0 0 0 0 0 48,705
1995 0 0 0 0 0 0 0 6,377 538,582 250,277 0 7,764 803,000
I 1996 0 2,895 14,615 19,505 0 0 0 0 13,954 0 0 62,694 113,664
1997 20,290 0 11,755 31,745 0 0 0 0 148,338 0 67,296 4,844 284,269
Average 3,948 4,340 10,423 18,040 7,349 8,313 10,675 35,068 46,173 12,984 2,171 4,612 164,118.
I (1)These data are based on not diverting water during those periods when flows at Grand Island,Nebraska are below the U.S.Fish and Wildlife target flows
for that location. Water would not be diverted when flows at Julesburg,Colorado gage are below 120 cfs for the period April 1 -October 15.
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