condition mean min max 4 h after light 9.8988905 9.831259 9.966522 8 h after light 10.1955225 9.838465 10.55258 12 h after light 10.516062000000002 9.948607 11.083517 4 h after dark 10.5004305 10.141265 10.859596 8 h after dark 10.0430675 8.818331 11.267804 12 h after dark 10.141265 10.141265 10.141265