condition mean min max 4 h after light 1.0953486666666667 0.0 2.40083 8 h after light 0.44727019999999995 0.0744166 0.751006 12 h after light 0.553822 0.305662 0.871181 4 h after dark 0.959602 0.534696 1.73689 8 h after dark 2.65082 2.08128 3.51265 12 h after dark 2.7817533333333335 2.5945 3.07723