| 八ッ場ダム | 06/28 |
| 貯水率(%) | |
| 12時間履歴 | ||
| 20:00 | 32.0 | ▼ |
| 19:00 | 32.1 | - |
| 18:00 | 32.1 | ▼ |
| 17:00 | 32.2 | - |
| 16:00 | 32.2 | ▼ |
| 15:00 | 32.3 | ▼ |
| 14:00 | 32.4 | - |
| 13:00 | 32.4 | ▼ |
| 12:00 | 32.5 | - |
| 11:00 | 32.5 | ▼ |
| 10:00 | 32.6 | ▼ |
| 09:00 | 32.7 | - |
| 最新 | 32.6 | |
| 前日 | 34.0 | |
| 前々日 | 35.9 |
| 2時間履歴(10分) | ||
| 20:30 | 31.9 | ▼ |
| 20:20 | 32.0 | - |
| 20:10 | 32.0 | - |
| 20:00 | 32.0 | - |
| 19:50 | 32.0 | - |
| 19:40 | 32.0 | - |
| 19:30 | 32.0 | - |
| 19:20 | 32.0 | - |
| 19:10 | 32.0 | ▼ |
| 19:00 | 32.1 | - |
| 18:50 | 32.1 | - |
| 18:40 | 32.1 | - |