condition	mean	min	max
4 h after light	3.54322	2.44841	4.63803
8 h after light	2.19947	1.9837	2.41524
12 h after light	2.52603	2.42273	2.62933
4 h after dark	3.490175	3.46513	3.51522
8 h after dark	4.993545	4.82354	5.16355
12 h after dark	5.573225	3.35848	7.78797