Which is the driest US state?

Nevada is the driest state in the US, receiving about 10.2 inches (241 mm) of rain every year. According to data collected since 1938, Las Vegas receives slightly less than 4.2 inches of rain per year on average. The state’s elevations range from fewer than 500 feet in the hot lowlands to more than 13,000 feet in the frigid alpine forests of the north. Nevada has 26 days of precipitation each year, with 5 inches of rain each rainy day, compared to the yearly national average of 38 inches. Snowfall is very uncommon in the state, with only 0.3 inches on average per year, compared to an average of 28 inches across the country.

Source: A-Z Animals