condition mean min max 4 h after light 0.083715 0.0 0.16743 8 h after light 0.22649000000000002 0.181677 0.271303 12 h after light 0.0414183 0.0 0.0828366 4 h after dark 0.291706 0.289613 0.293799 8 h after dark 0.09038875 0.0719275 0.10885 12 h after dark 0.191741 0.142883 0.240599