The average annual rainfall af gauges 1, 2, 3, and 4 are 700mm, 725mm, 750mm, and 850mm respectively. At a given month,

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The Average Annual Rainfall Af Gauges 1 2 3 And 4 Are 700mm 725mm 750mm And 850mm Respectively At A Given Month 1 (1.57 MiB) Viewed 19 times

The average annual rainfall af gauges 1, 2, 3, and 4 are 700mm, 725mm, 750mm, and 850mm respectively. At a given month, gauges 1, 2, and 3 recorded monthly rainfall as 39mm, 43mm, and 47mm respectively. Gauge #4 was broken at that month. a) Estimate the missing monthly precipitation at gauge #4 b) Estimate the average annual rainfall over the catchment area by Arithmetical-Mean method given the area of the catchment equals 27 kan", c) If the average annual runoff from the marked area is 0.3 m/s, estimate the annual evapo- transpiration in (mm) assuming steady state conditions and assuming no exchange with the groundwater