condition	mean	min	max
4 h after light	1.5291000000000001	1.46435	1.59385
8 h after light	1.038535	1.02487	1.0522
12 h after light	1.242705	1.16824	1.31717
4 h after dark	1.543085	1.48059	1.60558
8 h after dark	1.1847500000000002	1.11583	1.25367
12 h after dark	1.605245	1.25942	1.95107