| 矢木沢ダム | 05/18 |
| 流入量(m3/s) | |
| 12時間履歴 | ||
| 17:00 | 74.62 | ▲ |
| 16:00 | 71.15 | ▲ |
| 15:00 | 67.77 | ▲ |
| 14:00 | 65.62 | ▲ |
| 13:00 | 64.00 | ▲ |
| 12:00 | 62.63 | ▼ |
| 11:00 | 63.25 | ▲ |
| 10:00 | 62.94 | ▼ |
| 09:00 | 64.46 | ▼ |
| 08:00 | 65.11 | ▼ |
| 07:00 | 65.98 | ▼ |
| 06:00 | 68.16 | ▼ |
| 2時間履歴(10分) | ||
| 17:50 | 78.44 | ▲ |
| 17:40 | 77.31 | ▼ |
| 17:30 | 77.38 | ▲ |
| 17:20 | 77.20 | ▲ |
| 17:10 | 75.98 | ▲ |
| 17:00 | 74.62 | ▲ |
| 16:50 | 74.46 | ▲ |
| 16:40 | 73.50 | ▲ |
| 16:30 | 72.17 | ▼ |
| 16:20 | 72.26 | ▲ |
| 16:10 | 71.49 | ▲ |
| 16:00 | 71.15 | ▲ |