Rainfall during July 14 flooding Germany 2021

On July 14, 2021, the German Weather Service measuring station in Hagen-Holthausen recorded a rainfall of 241.3 liters per square meter within 22 hours. That day, several German states were experiencing ongoing heavy rainfall at extreme levels, which led to the worst flooding disaster in the country's recent history.

Rainfall at selected measuring stations during the flood disaster in Germany on July 14, 2021

DWD measuring station (federal state)	Rainfall (liters per sqaure meter)	Measuring intervals (hours)	Statistical frequency
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Release date

July 2021

More information

Region

Germany

Survey time period

July 14, 2021

Supplementary notes

DWD is the German Weather Service (Deutscher Wetterdienst).

Statistical frequency refers to regularly conducted model calculations by the German Weather Service (KOSTRA-DWD-2010R). This model calculates the annuality of rainfall by time period, e.g. “Every five years 29.2 liters per square meter within one hour.”

The values from the listed locations and time periods shown here exceed the scale of the model for 100 years, therefore are exemplary of the “centennial flood” in July 2021.

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