condition	mean	min	max
0 h after light	3.49809	3.41701	3.57917
4 h after light	3.3215700000000004	3.26508	3.37806
8 h after light	2.75917	2.46662	3.05172
4 h after dark	4.09059	3.96587	4.21531
8 h after dark	4.348685	4.23835	4.45902
12 h after dark	3.50895	3.47409	3.54381