The following are highlights from the report:
- Extreme downpours – rainstorms and snow falls … are now happening 30 percent more often on average across the contiguous United States than in 1948.
- New England has experienced the greatest change with intense rainstorms now happening 85 percent more often than in 1948.
- Not only are extreme downpours more frequent, but they are more intense. The total amount of precipitation produced by the largest storm in each year at each station increase by 10 percent over the period of analysis, on average across the contiguous United States.