A catchment is idealized as a 25 km × 25 km square. It has five rain gauges, one at each corner and one at the centre, as shown in the figure. During a month the precipitation at these gauges is measured as G 1 = 300 mm, G 2 = 285 mm, G 3 = 272 m, G 4 = 290 mm and G 5 = 288 mm. The average precipitation (in mm up to one decimal place) over the catchment during this month by using the Thiessen polygon method is ________.

GATE Civil Engineering (CE) 2017 Shift 2 Solved Paper

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A catchment is idealized as a 25 km × 25 km square. It has five rain gauges, one at each corner and one at the centre, as shown in the figure.

During a month the precipitation at these gauges is measured as G₁ = 300 mm, G₂ = 285 mm, G₃ = 272 m, G₄ = 290 mm and G₅= 288 mm. The average precipitation (in mm up to one decimal place) over the catchment during this month by using the Thiessen polygon method is ________.

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