condition	mean	min	max
4 h after light	3.881215	2.3088	5.45363
8 h after light	2.60048	2.49061	2.71035
12 h after light	2.8204149999999997	2.76367	2.87716
4 h after dark	4.69618	3.43863	5.5228
8 h after dark	6.42061	5.42165	7.8241
12 h after dark	4.95901	3.94495	6.87012