condition mean min max 3 h after light 0.4100953333333333 0.315664 0.482176 6 h after light 0.6323503333333333 0.318742 0.79991 9 h after light 0.494583 0.205167 0.938992 12 h after light 0.63704125 0.471372 0.943502 3 h after dark 3.25244 2.60046 3.64047 6 h after dark 0.9410546666666667 0.323874 1.48835 9 h after dark 1.2899393333333333 0.947288 1.68081 12 h after dark 0.898137 0.701804 1.09447