| 渡良瀬貯水池 | 04/02 |
| 貯水位(m) | |
| 12時間履歴 | ||
| 12:00 | 10.69 | ▲ |
| 11:00 | 10.68 | ▲ |
| 10:00 | 10.67 | - |
| 09:00 | 10.67 | ▲ |
| 08:00 | 10.66 | - |
| 07:00 | 10.66 | ▲ |
| 06:00 | 10.65 | - |
| 05:00 | 10.65 | ▲ |
| 04:00 | 10.64 | - |
| 03:00 | 10.64 | - |
| 02:00 | 10.64 | ▲ |
| 01:00 | 10.63 | - |
| 2時間履歴(10分) | ||
| 12:40 | 10.69 | - |
| 12:30 | 10.69 | - |
| 12:20 | 10.69 | - |
| 12:10 | 10.69 | - |
| 12:00 | 10.69 | ▲ |
| 11:50 | 10.68 | - |
| 11:40 | 10.68 | - |
| 11:30 | 10.68 | - |
| 11:20 | 10.68 | - |
| 11:10 | 10.68 | - |
| 11:00 | 10.68 | - |
| 10:50 | 10.68 | - |