condition	mean	min	max
4 h after light	3.1092899999999997	2.97559	3.24299
8 h after light	4.13351	3.62082	4.6462
12 h after light	10.148035	8.39867	11.8974
4 h after dark	11.081925	8.99735	13.1665
8 h after dark	9.085429999999999	8.58926	9.5816
12 h after dark	6.95298	4.54318	9.36278