condition	mean	min	max
4 h after light	0.882314	0.661208	1.10342
8 h after light	0.6424624999999999	0.554411	0.730514
12 h after light	0.5240695	0.512826	0.535313
4 h after dark	0.7997639999999999	0.623852	0.975676
8 h after dark	1.0822975000000001	0.950915	1.21368
12 h after dark	1.14869	1.01495	1.28243