condition mean min max 4 h after light 5.8224 5.18932 6.45548 8 h after light 9.963280000000001 9.75066 10.1759 12 h after light 10.531695 9.81549 11.2479 4 h after dark 13.474533333333333 12.6937 14.5631 8 h after dark 11.5953 10.1636 13.9841 12 h after dark 8.347596666666668 7.39132 9.91946