condition mean min max 4 h after light 56.374741 36.502139 76.247343 8 h after light 35.485018 25.610304 45.359732 12 h after light 21.4125965 19.988311 22.836882 4 h after dark 15.293165 13.131815 17.454515 8 h after dark 12.315914500000002 12.12376 12.508069 12 h after dark 25.780112 25.780112 25.780112