7314

• UCREFRP Catalog Number: 7314
• Author: Upper Colorado River Commission.
• Title: Thirty-Ninth Annual Report of the Upper Colorado River Commission
• USFW Year: 1987.
• USFW - Doc Type: Colorado River Storage Project and Participating Projects.
• Copyright Material: NO

Table 3
(continued)
ESTIMATED VIRGIN FLOW AT LEE FERRY
(million acre-feet)
(1) (2) (3) (4) (5) (6) (7)
Progressive Virgin
Years Year Estimated Average Average 10-year Flow Minus
to Ending Virgin to Since Moving 92-year
1987 Sept. 30 Flow 1987 1896 Average Average
45 1943 13.1 13.9 15.8 13.2 -2.0
44 44 15.2 13.9 15,7 14,2 0.1
43 45 13.4 13.9 15.7 14.4 -1.7
42 46 10,4 13.9 15.6 14.0 -4,7
41 47 15.5 14,0 15.6 14.2 0,4
40 48 15,6 13,9 15.6 14,0 0.5
39 49 16.4 13.9 15,6 14,5 1.3
38 1950 12.9 13,9 15.6 15.0 -2.2
37 51 11. 6 13,9 15.5 14.3 -3.5
36 52 20.7 13,9 15.6 14.5 5.6
35 53 10.6 13.8 15.5 14.2 -4.5
34 54 7.7 13,9 15.4 13.5 -7.4
33 55 9.2 14.0 15.3 13.1 -5.9
32 56 10.7 14.1 15.2 13 .1 -4.4
31 57 20,1 14,2 15,3 13.6 5.0
30 58 16.5 14,0 15.3 13.6 1.4
29 59 8.6 14.0 15.2 12.9 -6,5
28 1960 11.3 14.1 15.1 12.7 -3.8
27 61 8.5 14.2 15.0 12.4 -6.6
26 62 17,3 14,3 15,0 12,1 2.2
25 63 8.4 14.2 15.0 11. 8 -6.7
24 64 10.2 14.4 14.9 12.1 -4.9
23 65 18.9 14,5 14.9 13,1 3.8
22 66 11.2 14.3 14.9 13.1 -3.9
21 67 11.9 14.4 14,8 12.3 -3.2
20 68 13.7 14.5 14.8 12,0 -1.4
19 69 14.4 14.5 14.8 12.6 -0.7
18 1970 15.4 14.5 14.8 13.0 0.3
17 71 15.1 14,5 14.8 13.7 0.0
16 72 12.2 14.5 14.8 13.1 -2,9
15 73 19.4 14.6 14.9 14.2 4.3
14 74 13.3 14.4 14.8 14.6 -1.8
13 75 16.6 14.4 14.9 14.3 1.5
12 76 11.6 14.4 14,8 14.4 -3.5
11 77 5.8 14.5 14.7 13.8 -9.3
10 78 15.2 14,8 14.7 13.9 0.1
9 79 17,9 14.8 14.8 14.3 2.8
8 1980 17.5 14.6 14.8 14,5 2.4
7 81 8.2 14.5 14.7 13.8 -6.9
6 82 16.2 14.8 14.7 14,2 1.1
5 83 24.0 14,7 14.8 14.6 8.9
4 84 24.5 14,3 14.9 15.8 9,4
3 85 20,8 13.7 15,0 16.2 5.7
2 86 21.9 13,4 15,1 17,2 6.8
1 87 16.6 12,9 15, 1 18,3 1.5
Max imum 24.5 18.8 9.4
Minimum 5,6 11.8 -9.5
Average 15,1 14.9 0,0

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