Question: is a half inch of rain a lot?
Answer: Light rainfall is considered less than 0.10 inches of rain per hour. Moderate rainfall measures 0.10 to 0.30 inches of rain per hour. Heavy rainfall is more than 0.30 inches of rain per hour. ... One inch of rainfall equals 4.7 gallons of water per square yard or 22,650 gallons of water per acre!