Probability density functions for the estimation of monthly rainfall
DOI:
https://doi.org/10.5433/1679-0375.2013v34n1p3Keywords:
Comparison of Models, Gamma Distribution, Lognormal Distribution, Weibull DistributionAbstract
The objective of this work was to evaluate the potential of gamma, log-normal and Weibull distributions modeling of monthly precipitation in the city of Bento Gonçalves, Rio Grande do Sul. We used a series of monthly rainfall from January 2001 to December 2011. Adherence to the distributions of rainfall conditions was verified using the Kolmogorov-Sminorv test. The three distributions were adherent. However, the results indicated that the gamma model fit better rainfall conditions in the city of Bento Gonçalves.
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