| 八ッ場ダム | 05/15 |
| 総放流量(m3/s) | |
| 12時間履歴 | ||
| 04:00 | 28.33 | ▲ |
| 03:00 | 28.32 | ▼ |
| 02:00 | 28.37 | ▲ |
| 01:00 | 28.35 | ▲ |
| 00:00 | 28.30 | ▼ |
| 23:00 | 28.36 | ▲ |
| 22:00 | 28.34 | ▼ |
| 21:00 | 28.37 | ▲ |
| 20:00 | 28.36 | ▲ |
| 19:00 | 28.31 | ▼ |
| 18:00 | 28.35 | ▼ |
| 17:00 | 28.36 | ▲ |
| 2時間履歴(10分) | ||
| 04:10 | 28.32 | ▼ |
| 04:00 | 28.33 | ▼ |
| 03:50 | 28.35 | ▲ |
| 03:40 | 28.33 | ▼ |
| 03:30 | 28.35 | ▲ |
| 03:20 | 28.34 | ▼ |
| 03:10 | 28.35 | ▲ |
| 03:00 | 28.32 | ▼ |
| 02:50 | 28.34 | - |
| 02:40 | 28.34 | ▲ |
| 02:30 | 28.32 | ▼ |
| 02:20 | 28.35 | - |