condition mean min max 2 h after light 5.719035 4.3685 8.28345 6 h after light 4.552431666666667 2.71046 6.31787 10 h after light 3.714165 2.76025 4.63671 14 h after light 5.3723 3.18869 7.50706 18 h after light 5.532418333333333 2.70937 8.945 2 h after dark 3.5918166666666664 2.67318 5.27632