condition mean min max 3 h after light 0.3770835 0.166406 0.685417 7 h after light 0.2478321 0.0 0.509812 11 h after light 0.4613931666666667 0.235675 0.616947 2 h after dark 0.4000068333333333 0.103151 0.576765 6 h after dark 0.40443341666666666 0.139499 0.665236 10 h after dark 0.52507275 0.107906 0.979073