摘要：AbstractThis study aims to confirm the classification climate and the influence of El Niño and La Niña four towns in western Paraná State/Brazil For this research we used specific spreadsheets for calculating the water balance, and statistical software to confirm the results After the survey confirmed the characteristics of the climatic region and the results showed that weather phenomena El Niño e La Niña influenced the city studied with respect to excess shortage of water in the soil. In periods of El Niño and La Niña over shortage.
