condition mean min max 0 h after light 0.1581925 0.0 0.316385 4 h after light 0.1556915 0.0 0.311383 8 h after light 0.0 0.0 0.0 4 h after dark 0.1550885 0.0 0.310177 8 h after dark 0.0 0.0 0.0 12 h after dark 0.1542635 0.0 0.308527