Runoff (\( Q = \frac{C \cdot I \cdot A}{360} \)):

Where:

• \( Q \) is the peak discharge, in m³/sec.
• \( C \) is the runoff constant, ranging from 0.05 to 0.95.
• \( I \) is the rainfall intensity, in mm/hr.
• \( A \) is the drainage area, in hectares.