condition mean min max 3 h after light 51.62286666666667 46.6791 60.003 6 h after light 32.251599999999996 31.7163 33.2786 9 h after light 17.4881 16.6943 18.3868 12 h after light 10.61702 9.89156 11.65 3 h after dark 11.887283333333333 9.49555 13.446 6 h after dark 31.2198 27.7057 35.2329 9 h after dark 47.6917 40.4974 54.5619 12 h after dark 54.97913333333333 52.782 57.1455