condition mean min max 2 h after light 0.969146 0.589716 1.79852 6 h after light 1.2588876666666666 0.476121 1.97219 10 h after light 1.3733938333333333 0.224016 2.54845 14 h after light 1.9704016666666666 1.06174 3.65555 18 h after light 0.8964625 0.345382 1.93283 2 h after dark 0.964558 0.0 1.96888