1. A drainage basin located in the Chicago area has a composite CN value of 71.5. Compute the runoff depth, Q, for a 100-year storm. 2. A drainage basin located near Columbus, in central Ohio, has a...

1. A drainage basin located in the Chicago area has a composite CN value of 71.5. Compute the runoff depth, Q, for a 100-year storm.

2. A drainage basin located near Columbus, in central Ohio, has a composite CN value of 76. Compute the runoff depth, Q, for a 25-year storm.