condition	mean	min	max
4 h after light	0.249166	0.241971	0.256361
8 h after light	0.349825	0.24485	0.4548
12 h after light	0.352587	0.294251	0.410923
4 h after dark	0.3314225	0.299225	0.36362
8 h after dark	0.356794	0.335477	0.378111
12 h after dark	0.306088	0.282603	0.329573