condition mean min max 0 h after light 1.5615830000000002 0.781836 2.34133 4 h after light 0.7823445 0.769475 0.795214 8 h after light 0.397222 0.0 0.794444 4 h after dark 1.1527725 0.766495 1.53905 8 h after dark 2.322115 0.76864 3.87559 12 h after dark 1.1521175 0.779395 1.52484