| 矢木沢ダム | 04/06 |
| 想定貯水量(千m3) | |
| 12時間履歴 | ||
| 04:00 | 55,084 | - |
| 03:00 | 54,907 | - |
| 02:00 | 54,681 | - |
| 01:00 | 54,457 | - |
| 00:00 | 54,280 | - |
| 23:00 | 54,055 | - |
| 22:00 | 53,867 | - |
| 21:00 | 53,716 | - |
| 20:00 | 53,555 | - |
| 19:00 | 53,416 | - |
| 18:00 | 53,292 | - |
| 17:00 | 53,147 | - |
| 最新 | 54,782 | |
| 前日 | 52,445 | |
| 前々日 | 49,124 |
| 2時間履歴(10分) | ||
| 04:20 | 55,166 | - |
| 04:10 | 55,131 | - |
| 04:00 | 55,084 | - |
| 03:50 | 55,049 | - |
| 03:40 | 55,036 | - |
| 03:30 | 54,989 | - |
| 03:20 | 54,954 | - |
| 03:10 | 54,907 | - |
| 03:00 | 54,907 | - |
| 02:50 | 54,859 | - |
| 02:40 | 54,812 | - |
| 02:30 | 54,777 | - |