condition	mean	min	max
4 h after light	3.44056	3.26941	3.61171
8 h after light	1.357805	1.33124	1.38437
12 h after light	0.40410999999999997	0.337513	0.470707
4 h after dark	0.6694606666666666	0.528372	0.747481
8 h after dark	0.22598773333333333	0.0383262	0.460552
12 h after dark	0.8272556666666666	0.684346	0.999841