Those are air temperatures in the shade. Direct sunlight gets much hotter, and in Death Valley for instance you can get third degree burns walking on sand dune

Those are air temperatures in the shade. Direct sunlight gets much hotter, and in Death Valley for instance you can get third degree burns walking on sand dunes (not even black sand!) [https://www.pressdemocrat.com/article/news/a-man-got-third-degree-burns-walking-on-blazing-hot-sand-dunes-in-death-val/?ref=TSM https://www.pressdemocrat.com/article/news/a-man-got-third-d...] [https://en.m.wikipedia.org/wiki/List_of_weather_records#:~:text=The%20theoretical%20maximum%20possible%20ground,soils%20of%20low%20thermal%20conductivity https://en.m.wikipedia.org/wiki/List_of_weather_records#:~:t....] Furnace creek had a measured ground temp of 201F not that long ago. That’s a lot closer to flash point than air temp. And localized reflections can easily boost that.