condition mean min max 3 h after light 0.15495966666666666 0.127477 0.200274 6 h after light 0.0 0.0 0.0 9 h after light 0.029925566666666667 0.0 0.0897767 12 h after light 0.063049 0.0 0.252196 3 h after dark 0.077545 0.0 0.129521 6 h after dark 0.09824899999999999 0.0 0.294747 9 h after dark 0.09391666666666666 0.0 0.28175 12 h after dark 0.079506 0.0 0.159012