condition	mean	min	max
0 h after light	8.724689999999999	8.57389	8.87549
4 h after light	7.02142	6.76271	7.28013
8 h after light	10.313884999999999	9.60047	11.0273
4 h after dark	10.2651	10.1447	10.3855
8 h after dark	6.50118	6.4739	6.52846
12 h after dark	7.774235	6.70069	8.84778