condition mean min max 0 h after light 41.63955 41.0402 42.2389 4 h after light 110.12785 92.1537 128.102 8 h after light 110.981 104.019 117.943 4 h after dark 38.51705 37.835 39.1991 8 h after dark 34.16305 34.1271 34.199 12 h after dark 46.83515 40.1115 53.5588