Dry-spell probability during the rainy season for localities in the state of São Paulo - Brazil

Authors

  • Paulo Bardauil Alcntara Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Forragicultura e Pastagens, Nova Odessa, SP
  • Antonio Álvaro Duarte de Oliveira Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Métodos Quantitativos, Nova Odessa, SP
  • Ivani Pozar Otsuk Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Métodos Quantitativos, Nova Odessa, SP

Keywords:

Truncated negative binomial, dry spell, probability

Abstract

Dry-spell probability during the rainy season was studied within four localities of São Paulo State, Brazil. Data collected during 40 years (from 1955 to 1995) were analised using the truncated negative binomial distribution. Results showed that this model was very efficient for fitting estimated data. The probability value of 50%, was found for one day occurence without rain and of 25% for two days without rains. These values were valid for the monthes of January, February, March, October, November and December.

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Published

2013-12-03

Issue

Section

QUANTITATIVE METHODS AND ECONOMY

How to Cite

Dry-spell probability during the rainy season for localities in the state of São Paulo - Brazil. (2013). Bulletin of Animal Husbandry, 56(1), 35-46. http://bia.iz.sp.gov.br/index.php/bia/article/view/919

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