condition mean min max 4 h after light 0.54294 0.50296 0.58292 8 h after light 1.412445 1.10004 1.72485 12 h after light 3.40218 1.66327 5.14109 4 h after dark 4.082915 3.91339 4.25244 8 h after dark 1.78757 1.68065 1.89449 12 h after dark 1.171234 0.994918 1.34755