| 矢木沢ダム | 06/15 |
| 貯水位(m) | |
| 12時間履歴 | ||
| 16:00 | 834.90 | ▲ |
| 15:00 | 834.89 | ▲ |
| 14:00 | 834.88 | ▲ |
| 13:00 | 834.87 | ▲ |
| 12:00 | 834.86 | ▲ |
| 11:00 | 834.85 | ▲ |
| 10:00 | 834.84 | ▲ |
| 09:00 | 834.83 | ▲ |
| 08:00 | 834.82 | ▲ |
| 07:00 | 834.81 | ▲ |
| 06:00 | 834.80 | ▲ |
| 05:00 | 834.79 | ▲ |
| 2時間履歴(10分) | ||
| 16:10 | 834.90 | - |
| 16:00 | 834.90 | - |
| 15:50 | 834.90 | - |
| 15:40 | 834.90 | ▲ |
| 15:30 | 834.89 | - |
| 15:20 | 834.89 | - |
| 15:10 | 834.89 | - |
| 15:00 | 834.89 | - |
| 14:50 | 834.89 | - |
| 14:40 | 834.89 | - |
| 14:30 | 834.89 | ▲ |
| 14:20 | 834.88 | - |