Evidence of Drought in Western Sicily during the Period 1565–1915 from Liturgical Offices

摘要: Many recent climatological studies aim to reconstruct past climate on thebasis ofdifferent data sources. In the present work, drought events that occurredin westernSicily during period 1565–1915 have been analysed, using historicalinformation.Inside cathedral of Erice, a small and ancient town in western Sicily,there is amarble plate reporting dates processions held period.Thisinformation, together with other documents manuscripts found citylibrary,has allowed us chronology. The comparison betweentheseseries quantitative precipitation indicates some agreement.Theapplication operator ARP (Automatic Research for Periodicities) showssignificantperiods 11, 17, 22, 32, 73, 90 years. Finally, between ENSOanddrought chronology shows periods many reductionof ENSOevents occurred vice versa.