Phobos (moon)
natural satellite of Mars
Would you have to wear a coat when on Phobos?
A coat is a garment used to keep a person warm. The surface temperatures on Phobos range from about −4 °C (25 °F) on the sunlit side to −112 °C (−170 °F) on the shadowed side.
What is the average temperature on Phobos? At what temperature would people need to start wearing coats to stay warm? Is #1 below #2?