condition mean min max 3 h after light 1.1717856666666666 0.362467 1.65793 6 h after light 0.975054 0.940417 1.01834 9 h after light 1.270847 0.983221 1.55292 12 h after light 0.941941 0.657822 1.661 3 h after dark 1.2603440000000001 0.922112 1.75937 6 h after dark 1.5173866666666669 0.65736 2.21654 9 h after dark 1.1113596666666667 0.947639 1.20168 12 h after dark 1.311435 1.24356 1.37931