Revista Brasileira de Climatologia, Dourados, MS, v. 33, Jul. / Dez. 2023, ISSN 2237-8642 1 CLIMATE VARIABILITY OF PRECIPITATION IN CEARÁ REGION, NORTHEAST OF BRAZIL. Variabilidade climática da precipitação no estado do Ceará, Nordeste do Brasil Variabilidad climática de la precipitación en el estado de Ceará, Nordeste de Brasil Maria Daniele Pereira Bessa da Silva Academic Master's Degree in Sociobiodiversity and Sustainable Technologies, University of International Integration of Afro-Brazilian Lusofonia (UNILAB) email: mdanielebessa@gmail.com Orcid : https://orcid.org/0009-0001-0453-1031 Lattes : http://lattes.cnpq.br/7012338194311829 Juan Carlos Alvarado Alcócer Academic Master's Degree in Sociobiodiversity and Sustainable Technologies, University of International Integration of Afro-Brazilian Lusofonia (UNILAB) email: jcalcocer@unilab.edu.br Orcid : https://orcid.org/0000-0002-6641-1617 Lattes : http://lattes.cnpq.br/8172187725052094 Maria Leidinice da Silva PhD in Climate Sciences from the Federal University of Rio Grande do Norte (UFRN) email: leidinicesilva@gmail.com Orcid : https://orcid.org/0000-0002-9495-3974 Lattes : http://lattes.cnpq.br/8364369192283433 Natali Mora Sandi Geophysical Research Center, University of Costa Rica (UCR) email: natali.morasandi@ucr.ac.cr Orcid : https://orcid.org/0000-0001-9511-7727 Eric J. Alfaro School of Physics, Center for Geophysical Research , Center for Research in Marine Sciences and Limnology , University of Costa Rica (UCR) email: erick.alfaro@ucr.ac.cr