年份

乌东德

白鹤滩

溪洛渡

向家坝

三峡

梯级合计

1954

1.13 (4.62%)

17.17 (22.90%)

6.69 (14.38%)

4.69 (51.97%)

119.03 (53.74%)

148.71 (39.50%)

1968

0.19 (0.80%)

4.98 (6.64%)

1.71 (3.67%)

1.41 (15.61%)

45.82 (20.69%)

54.11 (14.37%)

1981

0.10 (0.40%)

5.60 (7.47%)

0.63 (1.36%)

1.35 (14.91%)

44.88 (20.26%)

52.56 (13.96%)

1982

0.15 (0.62%)

6.9 (9.20%)

1.92 (4.14%)

1.67 (18.47%)

46.52 (21.00%)

57.16 (15.18%)

1998

0.39 (1.58%)

7.47 (9.95%)

3.16 (6.79%)

2.48 (27.48%)

64.34 (29.05%)

77.83 (20.68%)

2020

0.20 (0.82%)

11.28 (15.04%)

3.23 (6.94%)

1.07 (11.88%)

62.87 (28.38%)

78.65 (20.89%)