condition mean min max 0 h after light 81.35405 80.963 81.7451 4 h after light 30.92145 27.2528 34.5901 8 h after light 16.0268 15.558 16.4956 4 h after dark 24.6815 17.9673 31.3957 8 h after dark 55.322050000000004 52.4561 58.188 12 h after dark 73.07345 62.7772 83.3697