condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.17164256666666666 0.0 0.440987 9 h after light 0.245931 0.138988 0.378541 12 h after light 0.31490033333333334 0.0 0.668581 3 h after dark 0.0934734 0.0 0.203199 6 h after dark 0.0 0.0 0.0 9 h after dark 0.05447766666666667 0.0 0.163433 12 h after dark 0.0 0.0 0.0