Spring runoff to Lake Powell 1980s
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
1981
1982
1983
1984
1985
1986
1987
1988
1989
80,000 cubic feet per second
13,005
18,779
48,318
51,118
7,064
7,291
11,031
17,563
11,472
14,886
32,606
39,142
17,640
19,873
46,310
92,441
17,075
25,915
77,335
82,263
21,518
42,768
64,821
54,646
17,745
33,470
53,509
63,865
18,536
27,524
40,375
28,836
11,494
15,275
21,423
23,767
9,922
12,954
14,338
13,150