Tendências das séries temporais de precipitação no estado do Paraná

The objective of this work was to evaluate the presence of trends in the rainfall time series in the state of Parana. The concentration index (CI) and precipitation concentration index (CPI) series were analyzed, the annual totals, as well as the wet season and dry period of 38 rainfall series. For this, the non-parametric Mann-Kendall statistical test was used. The results obtained presented significant trends in all analyzes, and it is possible to highlight that of the total of 38 pluviometric series, 18 series presented trends, corresponding to 47 % of the 38 series analyzed.