condition	mean	min	max
4 h after light	0.4999605	0.489289	0.510632
8 h after light	0.35845150000000003	0.309807	0.407096
12 h after light	0.22964249999999997	0.158135	0.30115
4 h after dark	0.47134000000000004	0.348147	0.573984
8 h after dark	0.516799	0.463394	0.605312
12 h after dark	0.637328	0.462204	0.982758