condition mean min max 4 h after light 4.78511 4.71663 4.906619999999999 8 h after light 4.69099 4.63157 4.7287 12 h after light 4.755273333333333 4.67795 4.8574 4 h after dark 4.831786666666667 4.73473 4.93915 8 h after dark 4.63548 4.48154 4.732130000000001 12 h after dark 4.73769 4.63171 4.80324