condition mean min max 0 h after light 10.043099999999999 7.2958 12.7904 4 h after light 5.470135 4.64617 6.2941 8 h after light 14.64475 14.4361 14.8534 4 h after dark 19.7473 17.9135 21.5811 8 h after dark 13.510555 9.05751 17.9636 12 h after dark 8.097555 7.286 8.90911