condition mean min max 3 h after light 16.2556 14.2106 19.0558 6 h after light 40.933166666666665 36.432 43.2937 9 h after light 31.637766666666668 19.5038 43.0638 12 h after light 54.253875 22.7319 141.693 3 h after dark 118.86266666666667 111.926 129.894 6 h after dark 110.0544 96.9092 120.773 9 h after dark 115.0203 96.2549 147.996 12 h after dark 271.6185 265.371 277.866