condition mean min max 3 h after light 0.024393233333333333 0.0 0.0731797 6 h after light 0.0 0.0 0.0 9 h after light 0.03712166666666667 0.0 0.111365 12 h after light 0.0196849 0.0 0.0590547 3 h after dark 0.14227803333333333 0.0 0.35868 6 h after dark 0.021284300000000003 0.0 0.0638529 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0