There is debate over whether climate change with strengthen or weaken the North American Monsoon.

This questions resolves to YES if the average yearly summer (June - Sept.) precipitation at the Tucson, Arizona airport from 2024 through 2033 is greater than the average summer precipitation for the period 1991-2020. The National Weather Service will be the official resolution source. If average precipitation is less than or equal to this value, this market resolves NO.

According to the National Weather Service, the average summer precipitation at the Tucson Airport from 1991-2020 is 5.74 inches (0.23" in June, 2.21" in July, 1.98" in August, and 1.32" in September).