1 Journal of Engineering Research ISSN 2764-1317 DOI 10.22533/at.ed.3172252201112 Journal of Engineering Research v. 2, n. 25, 2022 All content in this magazine is licensed under a Creative Com- mons Attribution License. Attri- bution-Non-Commercial-Non- Derivatives 4.0 International (CC BY-NC-ND 4.0). SEASONAL AND INTER- ANNUAL ANALYSIS OF PRECIPITATION ON THE PIAUIENSE COAST BY THE METEOROLOGICAL STATION OF PARNAÍBA- PI Rubens A. L. Benevides Universidade Federal do Piaui (UFPI)/ Student of Cartographic Enginerring and land surveying Cláudia Maria Saboia de Aquino Universidade Federal do Piaui (UFPI) / Teacher Doctor-UFPI