condition mean min max 4 h after light 0.811153 0.567806 1.0545 8 h after light 0.195516 0.0 0.391032 12 h after light 0.1181555 0.0 0.236311 4 h after dark 1.39988 1.16267 1.63709 8 h after dark 2.22586 1.8655 2.58622 12 h after dark 2.2929749999999998 1.27694 3.30901