condition	mean	min	max
4 h after light	5.6161200000000004	5.04811	6.18413
8 h after light	9.224705	7.83621	10.6132
12 h after light	12.7697	12.4431	13.0963
4 h after dark	11.112403333333333	9.39231	12.1216
8 h after dark	8.101569999999999	7.82707	8.48233
12 h after dark	5.54819	3.92491	6.37287