| 矢木沢ダム | 04/06 |
| 想定貯水率(%) | |
| 12時間履歴 | ||
| 04:00 | 47.7 | - |
| 03:00 | 47.5 | - |
| 02:00 | 47.3 | - |
| 01:00 | 47.1 | - |
| 00:00 | 47.0 | - |
| 23:00 | 46.8 | - |
| 22:00 | 46.6 | - |
| 21:00 | 46.5 | - |
| 20:00 | 46.4 | - |
| 19:00 | 46.2 | - |
| 18:00 | 46.1 | - |
| 17:00 | 46.0 | - |
| 最新 | 47.4 | |
| 前日 | 45.4 | |
| 前々日 | 42.5 |
| 2時間履歴(10分) | ||
| 04:20 | 47.8 | - |
| 04:10 | 47.7 | - |
| 04:00 | 47.7 | - |
| 03:50 | 47.7 | - |
| 03:40 | 47.7 | - |
| 03:30 | 47.6 | - |
| 03:20 | 47.6 | - |
| 03:10 | 47.5 | - |
| 03:00 | 47.5 | - |
| 02:50 | 47.5 | - |
| 02:40 | 47.5 | - |
| 02:30 | 47.4 | - |