condition mean min max 3 h after light 0.05021166666666666 0.0 0.150635 6 h after light 0.0 0.0 0.0 9 h after light 0.04501433333333333 0.0 0.135043 12 h after light 0.0312665 0.0 0.125066 3 h after dark 0.051706 0.0 0.155118 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0