condition mean min max 4 h after light 3.25335 2.65637 3.85033 8 h after light 1.9169199999999997 1.49507 2.33877 12 h after light 0.3027695 0.0 0.605539 4 h after dark 1.186577 0.659378 1.93857 8 h after dark 1.97659 1.36928 2.56384 12 h after dark 3.25977 2.3713 4.46056