| 八ッ場ダム | 04/02 |
| 貯水量(千m3) | |
| 12時間履歴 | ||
| 09:00 | 42,031 | - |
| 08:00 | 41,843 | - |
| 07:00 | 41,633 | - |
| 06:00 | 41,445 | - |
| 05:00 | 41,257 | - |
| 04:00 | 41,048 | - |
| 03:00 | 40,859 | - |
| 02:00 | 40,713 | - |
| 01:00 | 40,567 | - |
| 00:00 | 40,420 | - |
| 23:00 | 40,315 | - |
| 22:00 | 40,211 | - |
| 2時間履歴(10分) | ||
| 09:20 | 42,095 | - |
| 09:10 | 42,053 | - |
| 09:00 | 42,031 | - |
| 08:50 | 42,010 | - |
| 08:40 | 41,968 | - |
| 08:30 | 41,926 | - |
| 08:20 | 41,905 | - |
| 08:10 | 41,864 | - |
| 08:00 | 41,843 | - |
| 07:50 | 41,801 | - |
| 07:40 | 41,780 | - |
| 07:30 | 41,738 | - |