condition mean min max 0 h after light 52.21075 50.946 53.4755 4 h after light 31.29045 30.7757 31.8052 8 h after light 17.3473 15.6431 19.0515 4 h after dark 22.563299999999998 18.9306 26.196 8 h after dark 47.02875 46.1613 47.8962 12 h after dark 46.125550000000004 44.4289 47.8222