The article examines early meteorological data to assess climate change in Wrocław, Poland, suggesting significant warming trends.
Key Points
To analyze early-instrumental meteorological measurements of air temperature in Wrocław from 1773 to 1781 and evaluate their significance for climate change knowledge.
Analyzed early-instrumental meteorological measurements from 1773 to 1781 in Wrocław, Poland.
The quality of temperature data was assessed following WMO recommendations.
Mean daily and monthly air temperatures were compared to nearby sites like Żagań and Berlin.
Air temperatures in Wrocław from 1773 to 1781 were 1.4 °C warmer than 1873–1881 and 0.5 °C warmer than 1973–1981.
Temperatures during 1773–1781 were 1.9 °C colder than the period 2013–2021.
The greatest temperature increase to the most recent period was 2.7 °C in summer and 2.4 °C in winter.