At a reservoir in the neighbourhood of Delhi the following climatic data were observed. Estimate the mean monthly and annual evaporation from the reservoir using Meyer's formula. (Contd.) Month Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Temp. (C) 27.0 31.0 33.5 30.6 29.0 28.2 28.8 18.9 13.7 12.5 15.8 20.7 Relative humidity (%) 85 82 71 STAKERFR 48 41 52 78 86 82 75 77 73 Wind velocity at 2 m above GL (km/h) 5.0 7.8 10.0 8.0 5.5 5.0 4.0 3.6 4.0 4.0 5.0 5.0 (Contd.)