年份

乌东德

白鹤滩

溪洛渡

向家坝

三峡

梯级合计

1954

2.86 (11.74%)

18.31 (24.41%)

7.21 (15.50%)

0.94 (10.41%)

119.39 (53.90%)

148.71 (39.50%)

1968

0.50 (2.05%)

4.55 (6.07%)

2.26 (4.86%)

0.24 (2.66%)

46.56 (21.02%)

54.11 (14.38%)

1981

0.41 (1.68%)

4.32 (5.76%)

2.29 (4.92%)

0.23 (2.55%)

45.31 (20.46%)

52.56 (13.96%)

1982

0.70 (2.86%)

5.53 (7.37%)

2.36 (5.07%)

0.24 (2.64%)

48.34 (21.82%)

57.16 (15.18%)

1998

0.91 (3.75%)

7.29 (9.72%)

3.87 (8.33%)

0.75 (8.28%)

65.01 (29.35%)

77.83 (20.68%)