condition mean min max 4 h after light 0.02777435 0.0 0.0555487 8 h after light 0.08727035 0.0606637 0.113877 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.018494233333333335 0.0 0.0554827 12 h after dark 0.0 0.0 0.0