condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.20561166666666666 0.0 0.323587 12 h after light 0.4214635 0.0 0.786029 3 h after dark 0.05194866666666667 0.0 0.155846 6 h after dark 0.1948 0.0 0.370334 9 h after dark 0.07522066666666667 0.0 0.225662 12 h after dark 0.04776655 0.0 0.0955331