“…In Poland, a number of studies have been published dealing with thermal seasons for the whole country (Romer, 1938; Bartnicki, 1948; Gumiński, 1948; Czernecki & Miętus, 2010, 2017; Kitowski et al, 2019; Lorenc, 2005; Niedźwiedź & Limanówka, 1992; Tomczyk & Bednorz, 2022; Warszawski, 1971; Wiszniewski, 1960) or individual regions: SE Poland (Gumiński, 1950), in the Tatra Mountain (Hess, 1965); North Poland (Nowak, 1967), the Karkonosze Mountain (Ustrnul, 1986); the Świętokrzyskie Mountain (Olszewski & Jarząb, 1996), SE Poland (Skowera & Kopeć, 2008), the Pieniny Mountain (Łepko et al, 2011), East Poland (Radzka, 2015), the Baltic Sea coast (Tylkowski, 2015), as well as places: Puławy (Mitosek, 1961), Rabka Zdrój (Trybowska, 1963), Katowice (Rozkosz, 1986), Lublin (Nowosad & Filipiuk, 1998), Warszawa (Kossowska‐Cezak, 2005; Majewski & Przewoźniczuk, 2014), Poznań (Woś, 2006), Zamość (Samborski & Bednarczuk, 2009) and Szymbark (Bochenek, 2016). The works by Romer (1906), Merecki (1915), Gumiński (1950), Wiszniewski (1960), Mitosek (1961), Makowiec (1983), Nowosad and Filipiuk (1998), Piotrowicz (2002) and Bartoszek et al (2012) provide an overview of methods for distinguishing thermal periods.…”