condition mean min max 4 h after light 3.1969399999999997 3.00759 3.38629 8 h after light 3.02087 2.99253 3.04921 12 h after light 3.7567250000000003 3.65417 3.85928 4 h after dark 4.0269699999999995 3.35952 4.53116 8 h after dark 4.335676666666666 3.89432 4.83216 12 h after dark 3.671 3.45193 3.97675