condition mean min max 4 h after light 1.3 1.3 1.3 8 h after light 25.349999999999998 17.4 33.3 12 h after light 14.399999999999999 8.1 20.7 4 h after dark 9.55 5.7 13.4 8 h after dark 20.35 6.2 34.5 12 h after dark 16.799999999999997 9.2 24.4