| 水库运行方式类型 | 次数 | 次数占比 | 最短时段数 | 最长时段数 | 总时段数 | 时段数占比 | 
| “V型” | 196 | 45.06% | 2 | 30 | 1404 | 59.09% | 
| “消落型” | 23 | 5.29% | 1 | 24 | 150 | 6.31% | 
| “蓄水型” | 23 | 5.29% | 1 | 10 | 57 | 2.40% | 
| “上限水位型” | 193 | 44.37% | 1 | 19 | 765 | 32.20% | 
| 合计 | 435 | — | — | — | 2376 | — |