This market resolves YES if the Meteostat historical weather data for the Berlin / Dahlem weather station (Meteostat station ID: 10381, WMO: 10381) reports a daily maximum temperature of at least 40.0°C between 1 June 2026 and 31 August 2026 (inclusive).

It resolves NO if no such daily maximum temperature is reported during that period.

The Meteostat historical weather page for Berlin / Dahlem is the sole resolution source. If Meteostat is permanently unavailable at the time of resolution, the corresponding official DWD data for the Berlin-Dahlem station shall be used.