april and may saw record rain over mm in the northern part of the country which caused disastrous floods in the catchment area of the vrbas and bosna rivers as well as in the area of semberija these extreme climate and weather episodes have caused substantial material and financial deficits as well as casualties in the same time series trends in annual temperatures on all analysed stations are statistically significant while the changes are more pronounced in the continental part of the country however increases in air temperature over the last years are even more pronounced the increase in temperature in addition to increases in ghg emissions is caused by a more pronounced effect of the urban heat island differences between the reference period and the period range from c in sarajevo to c in tuzla