condition mean min max 0 h after light 0.0493795 0.0 0.098759 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 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0246276 0.0 0.0492552 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0506925 0.0 0.101385