condition mean min max 0 h after light 0.1723785 0.0 0.344757 2 h after light 0.0961665 0.0 0.192333 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.097775 0.0 0.19555 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1858185 0.0 0.371637 12 h after dark 0.0 0.0 0.0