condition mean min max 4 h after light 2.133015 1.63688 2.62915 8 h after light 2.0231149999999998 1.95786 2.08837 12 h after light 3.08818 2.50356 3.6728 4 h after dark 4.963509999999999 4.77072 5.1563 8 h after dark 4.03722 3.99946 4.07498 12 h after dark 3.2806949999999997 3.07958 3.48181