Free TutorialsHydrology for Beginners : Estimation of Mean Precipitation (Part 1)Arithmatic Mean Method, Thiessen Polygon Method and Isohyetal MethodMrinmoy MajumderJul 15, 2023∙ Paid1ShareContinue reading this post for free, courtesy of Mrinmoy Majumder.Claim my free postOr purchase a paid subscription.PreviousNext