condition	mean	min	max
4 h after light	0.9234155	0.868051	0.97878
8 h after light	1.367205	1.27872	1.45569
12 h after light	14.3403	13.1025	15.5781
4 h after dark	17.3851	16.5131	18.2571
8 h after dark	8.13762	8.00335	8.27189
12 h after dark	2.781225	2.72744	2.83501