( 2020 ) also found a positive trend in annual precipitation between 1930 and 2019 for the metropolitan area of São Paulo, about 150 km from Piracicaba, but mainly due to an increase in the frequency of extreme precipitation events, and an increasing number of consecutive dry days, indicating an important climate change in recent times based on slightly moving and intensified of the South Atlantic Subtropical Anticyclone for southwestward of its normal position.
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Southeastern Brazil inland tropicalization: Köppen system applied for detecting climate change throughout 100 years of meteorological observed data.
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The sentences
All months presented a clear trend of rising T MAVE throughout 30-year moving averages.
September was an abnormal month with temperature showing a strong positive trend from 1917–1946 to 1946–1975, a negative trend (cooling) in the sequence until 1964–1993 and again a strong positive trend until the end of the assessed period.