| 矢木沢ダム | 04/06 |
| 実貯水量(千m3) | |
| 12時間履歴 | ||
| 04:00 | 52,020 | - |
| 03:00 | 51,880 | - |
| 02:00 | 51,704 | - |
| 01:00 | 51,529 | - |
| 00:00 | 51,389 | - |
| 23:00 | 51,213 | - |
| 22:00 | 51,038 | - |
| 21:00 | 50,862 | - |
| 20:00 | 50,652 | - |
| 19:00 | 50,476 | - |
| 18:00 | 50,302 | - |
| 17:00 | 50,096 | - |
| 最新 | 51,783 | |
| 前日 | 48,654 | |
| 前々日 | 46,126 |
| 2時間履歴(10分) | ||
| 04:20 | 52,090 | - |
| 04:10 | 52,055 | - |
| 04:00 | 52,020 | - |
| 03:50 | 51,985 | - |
| 03:40 | 51,985 | - |
| 03:30 | 51,950 | - |
| 03:20 | 51,915 | - |
| 03:10 | 51,880 | - |
| 03:00 | 51,880 | - |
| 02:50 | 51,845 | - |
| 02:40 | 51,810 | - |
| 02:30 | 51,775 | - |