Table 3: Comparison of performance of models on the basis of tail water depth S No Name of model Length of basin (L) dm (cm) ds (cm) PN 1 SQA-5 12.9d 9.60 22.8 0.15 2 SQA-6 12.9d 8.5 22.4 0.18 3 SQA-15 10.9d 9.10 23.2 0.17 4 SQA-21 10.9d 10.8 20.8 0.12