In the United States, there are an estimated 23 million cloud-to-ground lightning flashes each year and each one is a potential threat to life and property. The 30-year average of human lightning fatalities is 52. The 10-year average of human lightning fatalities is 35. Last year 23 people were killed by lightning in the United States. Dozens of others were permanently injured. As a general rule...of the victims who were killed in 2013:
- Nearly 100 percent were outdoors.
- Around 74 percent were male.
- Around 15 percent were under a tree.
- Around 26 percent occurred on or near the water.