| １０ダム計 | 04/06 |
| 貯水率(%) | |
| 12時間履歴 | ||
| 05:00 | 54.7 | ▲ |
| 04:00 | 54.6 | ▲ |
| 03:00 | 54.5 | ▲ |
| 02:00 | 54.4 | ▲ |
| 01:00 | 54.3 | ▲ |
| 00:00 | 54.2 | ▲ |
| 23:00 | 54.1 | ▲ |
| 22:00 | 53.9 | ▲ |
| 21:00 | 53.8 | ▲ |
| 20:00 | 53.7 | ▲ |
| 19:00 | 53.6 | ▲ |
| 18:00 | 53.5 | ▲ |
| 最新 | 54.5 | |
| 前日 | 52.9 | |
| 前々日 | 50.8 |
| 2時間履歴(10分) | ||
| 05:50 | 54.7 | - |
| 05:40 | 54.7 | - |
| 05:30 | 54.7 | - |
| 05:20 | 54.7 | - |
| 05:10 | 54.7 | - |
| 05:00 | 54.7 | ▲ |
| 04:50 | 54.6 | - |
| 04:40 | 54.6 | - |
| 04:30 | 54.6 | - |
| 04:20 | 54.6 | - |
| 04:10 | 54.6 | - |
| 04:00 | 54.6 | ▲ |