condition mean min max 0 h after light 2.64841 2.64605 2.65077 4 h after light 3.7102899999999996 3.09423 4.32635 8 h after light 9.10304 8.7696 9.43648 4 h after dark 10.353259999999999 9.46532 11.2412 8 h after dark 5.81029 5.37822 6.24236 12 h after dark 4.15334 3.25703 5.04965