Extracted text: Q2) At a reservoir, the following climatic data were observed. Estimate the mean monthly evaporation depth and the total monthly volume of evaporation from the reservoir using Rohwer's formula if the surface area of the reservoir is 3000 ha. Temp. °C Relative Humidity % Wind velocity at 2m above GL (m/s) Month (m of water) Jan 11 85 1.5 Feb 16.5 75 1.7 8.2 Mar 21 60 1.2 7.3