condition mean min max 3 h after light 0.0630295 0.0 0.109303 6 h after light 0.13973933333333333 0.134272 0.144415 9 h after light 0.0 0.0 0.0 12 h after light 0.09955945 0.0 0.331214 3 h after dark 0.027385266666666668 0.0 0.0821558 6 h after dark 0.0 0.0 0.0 9 h after dark 0.024940733333333336 0.0 0.0748222 12 h after dark 0.10403255 0.0813621 0.126703