condition mean min max 4 h after light 1.1799333333333333 0.0 2.10892 8 h after light 1.560296 0.242888 2.91662 12 h after light 2.0912866666666665 1.32567 2.94028 4 h after dark 2.7774366666666666 1.83532 3.34156 8 h after dark 2.25627 1.81804 2.9119 12 h after dark 3.10432 2.34896 3.76986