condition mean min max 3 h after light 90.3781 68.7014 102.947 6 h after light 75.8291 61.9982 83.1634 9 h after light 76.01596666666667 68.8789 81.4856 12 h after light 81.61772500000001 73.3576 98.3754 3 h after dark 85.6473 80.287 94.618 6 h after dark 80.4679 69.429 86.7903 9 h after dark 68.41136666666667 52.3973 77.5904 12 h after dark 67.21915 60.2096 74.2287