condition mean min max 4 h after light 4.0574650000000005 3.24822 4.86671 8 h after light 3.482735 3.19824 3.76723 12 h after light 4.5606100000000005 4.35477 4.76645 4 h after dark 7.0122366666666665 6.25077 7.97402 8 h after dark 8.135576666666667 7.57113 8.45469 12 h after dark 4.7327200000000005 3.87576 5.2185