condition mean min max 3 h after light 1.86685 0.0 3.50662 6 h after light 2.49571 1.8394 3.46966 9 h after light 2.7875193333333335 0.724668 4.0195 12 h after light 4.71077 3.83753 5.97582 3 h after dark 9.04529 6.35672 12.3241 6 h after dark 5.76943 5.0501 6.60001 9 h after dark 2.5627933333333335 0.64624 4.05972 12 h after dark 3.2876466666666664 1.66413 5.24039