Calculating maximum rainfall province fencing xls

In this paper we find the calculation of rainfall and rain gauge analysis also called for an area with their data (data of rainfall can be obtained from the national service meteorologist and hydrology of each country or area) . what does this spreadsheet is to find the consistency of the data available to us; using the double mass curve and at the same time we can find the flow and with this information we can find the curve precipitating .