condition mean min max 3 h after light 23.0745 20.7824 27.547 6 h after light 23.2761 20.8874 27.4763 9 h after light 16.0344 15.4479 17.0548 12 h after light 22.89775 11.5994 53.4405 3 h after dark 26.391266666666667 22.7615 28.8066 6 h after dark 35.0208 32.4708 37.2968 9 h after dark 34.039766666666665 33.0921 34.5617 12 h after dark 65.86075 65.5693 66.1522