condition mean min max 0 h after light 55.65925 53.0057 58.3128 4 h after light 31.2778 24.5065 38.0491 8 h after light 72.9165 70.6993 75.1337 4 h after dark 89.2304 72.7568 105.704 8 h after dark 63.692 60.9862 66.3978 12 h after dark 51.0419 48.8505 53.2333