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 0.057758000000000004 0.0 0.173274 12 h after light 0.034918 0.0 0.139672 3 h after dark 0.059983666666666664 0.0 0.179951 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