condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.122921 0.0 0.245842 4 h after light 0.0 0.0 0.0 8 h after light 0.1267195 0.0 0.253439 12 h after light 0.4235305 0.0 0.847061 2 h after dark 0.2043795 0.0 0.408759 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0