121 centimeters below the Danube at Paks - what are these strange water data, and why can a water gauge show a negative value?

The Danube's water level at Paks has dropped significantly, reaching -121 centimeters. This raises questions about the unusual water level readings and the possibility of a water gauge displaying a negative value. The article likely explores the reasons behind this phenomenon, such as drought, water management, or measurement errors, and its potential implications.