condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.02178453333333333 0.0 0.0653536 9 h after light 0.02386743333333333 0.0 0.0716023 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.02141346666666667 0.0 0.0642404 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0286691 0.0 0.0573382