> If you're in a desert, and have 10% humidity, you have to cool down your air by a lot for it to become too saturated and condensation to happen. Deserts tend

> If you're in a desert, and have 10% humidity, you have to cool down your air by a lot for it to become too saturated and condensation to happen. Deserts tend to have pretty wild temperature swings. They usually cool down at night. So much so that in most cases you can make ice. You can use the sky as a heat sink (effectively radiating heat into space). https://www.fieldstudyoftheworld.com/persian-ice-house-how-make-ice-desert/ https://www.fieldstudyoftheworld.com/persian-ice-house-how-m...