| 八ッ場ダム | 05/15 |
| 貯水量(千m3) | |
| 12時間履歴 | ||
| 04:00 | 79,902 | - |
| 03:00 | 79,986 | - |
| 02:00 | 80,042 | - |
| 01:00 | 80,098 | - |
| 00:00 | 80,154 | - |
| 23:00 | 80,210 | - |
| 22:00 | 80,265 | - |
| 21:00 | 80,293 | - |
| 20:00 | 80,377 | - |
| 19:00 | 80,433 | - |
| 18:00 | 80,489 | - |
| 17:00 | 80,545 | - |
| 2時間履歴(10分) | ||
| 04:10 | 79,902 | - |
| 04:00 | 79,902 | - |
| 03:50 | 79,930 | - |
| 03:40 | 79,930 | - |
| 03:30 | 79,958 | - |
| 03:20 | 79,958 | - |
| 03:10 | 79,958 | - |
| 03:00 | 79,986 | - |
| 02:50 | 79,986 | - |
| 02:40 | 79,986 | - |
| 02:30 | 80,014 | - |
| 02:20 | 80,014 | - |