A flood was measured from a catchment of 500 square kilometers. The direct runoff from this flood was found to be 3.25 cm. The time distribution of the rainfall is given below in Table. Find the W index for this storm by considering 0.5 cm Interception and depression storage losses. Also find total infiltrated volume of water. Time (hr.) 4 7 Total rainfall 1.2 1.45 2.2 3.65 5.09 3.18 1.97 18.74