condition	mean	min	max
4 h after light	5.34146	4.85231	5.83061
8 h after light	8.610805	8.46433	8.75728
12 h after light	12.06495	11.3559	12.774
4 h after dark	9.705155	9.49401	9.9163
8 h after dark	5.768665	5.55808	5.97925
12 h after dark	5.710565000000001	5.41354	6.00759