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 0.071755 0.0 0.215265 12 h after light 0.0 0.0 0.0 3 h after dark 0.03487966666666666 0.0 0.104639 6 h after dark 0.20068166666666667 0.0 0.602045 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0