condition mean min max 0 h after light 2.917125 2.60554 3.22871 4 h after light 1.798095 1.76852 1.82767 8 h after light 2.43035 2.39573 2.46497 4 h after dark 2.78072 2.46634 3.0951 8 h after dark 4.03501 3.83019 4.23983 12 h after dark 3.8479799999999997 3.1281 4.56786