condition mean min max 3 h after light 1.38848 1.09074 1.53821 6 h after light 0.778215 0.497265 1.24907 9 h after light 1.3092253333333332 0.741706 2.16053 12 h after light 1.9278374999999999 1.32475 2.73011 3 h after dark 2.03687 1.60749 2.43417 6 h after dark 1.6776566666666666 1.43671 1.94025 9 h after dark 1.40682 1.21933 1.69877 12 h after dark 0.7522644999999999 0.331449 1.17308