 This research compared the meteorological elements data collected from automatic weather stations, AWS, with conventional weather stations, CWS, in two different regions of Pernambuco State, Brazil. It found that the AWS data correlated well with the CWS data, as measured by the Wilmets Concordance Index. Additionally, it found that the meteorological elements did not significantly affect the Edo calculations. This article was authored by Yuglopes, Miguel Julio Machado-Gamárez, Giuliana Maria Madrado-Damelo, and others.