condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.3261835 0.0 0.652367 2 h after dark 0.3198525 0.0 0.639705 4 h after dark 0.0 0.0 0.0 8 h after dark 0.309951 0.0 0.619902 12 h after dark 0.0 0.0 0.0