The normal annual rainfall of station A, B, C and D in a catchment is 80 mm, 91mm, 85mm, 87mm, respectively. In the year 2018, the station D was inoperative when station stations A, B and C recorded annual rainfall of 91, 72, 80 mm. Then the missing rainfall at station D in 2018 is _mm. (Up to 2 decimal places)

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Probability, risk and uncertainty analysis for hydrological design

It gives a framework that is financially critical for finding the exceptional designs of hydrological systems with a reduced cost in total inclusive of the project cost and the disaster mitigation cost. But there would be hardly any assessment of a decent quality damage function. Hence, errors in demonstrating the hydrologic events, incorrect model parameters, and so on may occur. Here, we will discuss a specific hydrological design that of a detention basin for studying and understanding the risk-based procedure, uncertainties, and probability analysis by following a systematic framework.