condition mean min max 4 h after light 3.78543 2.44929 5.12157 8 h after light 3.278295 3.14984 3.40675 12 h after light 3.339765 2.61959 4.05994 4 h after dark 3.0099233333333335 2.55649 3.51629 8 h after dark 3.90981 3.69408 4.03597 12 h after dark 4.3215699999999995 3.97719 4.51627