“…A similar trend continued in the next century, so the four warmest years since instrumental measurements were recorded in the second decade of the 21 st century -2015century - , 2016century - , 2017century - and 2018century - (WMO, 2019. Previous research into climate change in the wider region and in Southeast Europe has addressed similar issues (Jovanović et al, 2002;Unkašević & Tošić, 2013;Tosić et al, 2016;Trbić et al, 2017;Gavrilov et al, 2015;Gavrilov et al, 2016;Gavrilov et al, 2018;Ivanović et al, 2016;Popov et al, 2017; * Corresponding author: nikola.bacevic@pr.ac.rs al., 2018;Vukoičić et al, 2018;Papić et al, 2019) and aridity as an indicator of climate change (Hrnjak et al, 2014;Radaković et al, 2017;Milentijević et al, 2018). A statistically significant upward trend in the average annual air temperature was also observed in the urban area (Savić et al, 2013;Bačević et al, 2018).…”