condition mean min max 3 h after light 47.016733333333335 44.1807 51.879 6 h after light 65.44383333333333 46.458 81.8943 9 h after light 82.83593333333333 67.8989 100.504 12 h after light 73.78965 57.9917 87.5722 3 h after dark 65.24596666666666 52.3224 75.8256 6 h after dark 31.444933333333335 29.7881 33.4784 9 h after dark 25.694 21.2843 28.9654 12 h after dark 50.501149999999996 35.1848 65.8175