Like clockwork, the monsoon brings rain showers back to the Desert Southwest. WeatherNationTV.com | WeatherNation

60% of the world’s population live in a monsoonal climate, with well-defined dry and wet seasons. What is a monsoon and what causes such a dramatic seasonal change in weather? Met Office meteorologists Clare Nasir and Aidan McGivern explain all. http://bit.ly/2tIZRFA | Met Office

WHAT IS A MONSOON? Depends on who you ask... but it’s definitely the kind of question that elicits passionate responses from rain and thunder-loving Tucsonans (we especially enjoyed "Wine time".) Massive thanks to everyone who contributed to this, including KOLD News 13 Mayor Jonathan Rothschild Living Streets Alliance Mel Melo Dominguez Ken Harvey Loews Ventana Canyon Resort Galeria Mitotera Pete Gregoire Photography Tucson Convention Center Todd Sadow, Greg Jackson, along with our own Dan Gibs