When will the Danube River return to normal levels

Event

1-31 October 2026 - No 9870
1-31 October 2026 - Yes 9870
Does not return by 1 November 2026 - No 9870
Does not return by 1 November 2026 - Yes 9870
before 1 September 2026 - No 9870
before 1 September 2026 - Yes 9870
15-30 September 2026 - No 9870
15-30 September 2026 - Yes 9870