7313

• UCREFRP Catalog Number: 7313
• Author: Upper Colorado River Commission.
• Title: Forty-Second Annual Report of the Upper Colorado River Commission
• USFW Year: 1990.
• USFW - Doc Type: Colorado River Storage Project and Participating Projects.
• Copyright Material: NO

Table 3
ESTIMATED VIRGIN FLOW AT LEE FERRY
(million acre-feet)
( 1) i2, (3) (4) (5) (6) (7)
Progressive Virgin
Years Year Estimated Average Average la-year Flow Minus
to Ending Virgin to Since Mov ing 95-year
1990 Sept. 30 Flow 1990 1896 Averaae Averaae
95 1896 10.1 14.9 10.1 -4.8
94 97 18.0 15.0 14.1 3,1
93 98 13.8 15.0 14.0 -1.1
92 99 15.9 15.0 14.5 1.0
91 1900 13.2 15.0 14.2 -1.7
90 01 13.6 15.0 14.1 -1.3
89 02 9.4 15.0 13.4 -5.5
88 03 14.8 15.1 13.6 -0.1
87 04 15.6 15.1 13.8 0.7
86 05 16.0 15.1 14.0 14.0 1.1
85 06 19.1 15.0 14.5 14.9 4.2
84 07 23.4 15.0 15.2 15.5 8.5
83 08 12.9 14.9 15.1 15.4 -2.0
82 09 23.3 14.9 15.7 16.1 8.4
81 1910 14.2 14.8 15.6 16.2 -0.7
80 11 16.0 14.8 15.6 16.5 1.1
79 12 20.5 14.8 15.9 17.6 5.6
78 13 14.5 14.7 15.8 17.6 -0.4
77 14 21.2 14.7 16.1 18.1 6.3
76 15 14.0 14.6 16.0 17.9 -0.9
75 16 19.2 14.7 16.1 17.9 4.3
74 17 24.0 14.6 16.5 18.0 9.1
73 18 15.4 14.5 16.4 18.2 0.5
72 19 12.5 14.5 16.3 17.2 -2.4
71 1920 22.0 14.5 16.5 17.9 7.1
70 21 23.0 14.4 16.8 18.6 8.1
69 22 18.3 14.2 16.8 18.4 3.4
68 23 18.3 14.2 16.9 18.8 3.4
67 24 14.2 14.1 16.8 18.1 -0.7
66 25 13.0 14.1 16.6 18.0 -1.9
65 26 15.9 14.1 16.6 17.7 1.0
64 27 18.6 14.1 16.7 17.1 3.7
63 28 17.3 14.0 16.7 17 .3 2.4
62 29 21.4 14.0 16.8 18.2 6.5
61 1930 14.9 13.9 16.8 17.5 0.0
60 31 7.8 13.9 16.5 16.0 -7.1
59 32 17.2 14.0 16.6 15.9 2.3
58 33 11.4 13.9 16.4 15.2 -3.5
57 34 5.6 13.9 16.1 14.3 -9.3
56 35 11.6 14.1 16.0 14.2 -3.3
55 36 13.8 14.1 16.0 14.0 -1.1
54 37 13.7 14.1 15.9 13.5 -1.2
53 38 17.5 14.2 16.0 13.5 2.6
52 39 11.1 14.1 15.8 12.5 -3.8
51 1940 8.6 14.1 15.7 11.8 -6.3
50 41 18.1 14.3 15.7 12.9 3.2
49 42 19.1 14.2 15.8 13.1 4.2
48 43 13.1 14.1 15.8 13.2 -1.8
47 44 15.2 14.1 15.7 14.2 0.3
46 45 13.4 14.1 15.7 14.4 -1.5

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