| 渡良瀬貯水池 | 04/06 |
| 貯水位(m) | |
| 12時間履歴 | ||
| 04:00 | 11.29 | - |
| 03:00 | 11.29 | ▲ |
| 02:00 | 11.28 | - |
| 01:00 | 11.28 | ▲ |
| 00:00 | 11.27 | - |
| 23:00 | 11.27 | ▲ |
| 22:00 | 11.26 | ▲ |
| 21:00 | 11.25 | - |
| 20:00 | 11.25 | ▲ |
| 19:00 | 11.24 | ▲ |
| 18:00 | 11.23 | ▲ |
| 17:00 | 11.22 | - |
| 最新 | 11.29 | |
| 前日 | 11.19 | |
| 前々日 | 11.07 |
| 2時間履歴(10分) | ||
| 04:20 | 11.29 | - |
| 04:10 | 11.29 | - |
| 04:00 | 11.29 | - |
| 03:50 | 11.29 | - |
| 03:40 | 11.29 | - |
| 03:30 | 11.29 | - |
| 03:20 | 11.29 | - |
| 03:10 | 11.29 | - |
| 03:00 | 11.29 | - |
| 02:50 | 11.29 | ▲ |
| 02:40 | 11.28 | - |
| 02:30 | 11.28 | - |