condition mean min max 4 h after light 29.509367500000003 21.125181 37.893554 8 h after light 29.145671 27.861724 30.429618 12 h after light 25.1208685 19.713811 30.527926 4 h after dark 17.810288999999997 16.843255 18.777323 8 h after dark 15.002739 12.841414 17.164064 12 h after dark 15.945225 15.945225 15.945225