condition mean min max 2 h after light 0.16929366666666668 0.0 0.4918 6 h after light 0.08963 0.0 0.219617 10 h after light 0.117299 0.0 0.226226 14 h after light 0.0810815 0.0 0.258366 18 h after light 0.06467816666666666 0.0 0.269042 2 h after dark 0.12020383333333333 0.0 0.438496