condition mean min max 4 h after light 49.756687 48.282742 51.230632 8 h after light 46.9756645 41.519353 52.431976 12 h after light 69.67507950000001 56.579261 82.770898 4 h after dark 92.233673 62.748808 121.718538 8 h after dark 95.37205349999999 74.896666 115.847441 12 h after dark 65.137661 65.137661 65.137661