condition mean min max 3 h after light 58.498466666666666 48.4912 64.2564 6 h after light 54.9968 44.6841 61.7688 9 h after light 48.4713 41.0936 52.8451 12 h after light 73.87155 57.7797 110.623 3 h after dark 130.82366666666667 109.55 142.899 6 h after dark 108.595 102.678 117.101 9 h after dark 107.0466 96.9885 126.836 12 h after dark 137.8265 128.898 146.755