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Temporal variability of monthly rains in the climatological station of Uberaba-MG, Brazil

The purpose of this work was to verify the temporal dependence of monthly rainfall in the climatological station of Uberaba-MG, Brazil, using geostatistical methods. It was evaluated the precipitation in series of rainfall monthly data from 1914 to 2000. It were done exploratory and geostatistical analysis. The exploratory analysis was made by calculating basic statistics and histograms and the geostatistical analysis was made by semivariogram. According to the results, a normality tendence was verified in months from october to march. From april to September, it was verified an asymmetric tendence. Semivaviograms showed the nugget effect. As a conclusion, these variables did not present spatial dependence and statistical inferences can be made assuming temporal independence.

Geostatistics; semivariogram; spatial dependence; rainfall


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