condition	mean	min	max
4 h after light	4.572345	4.27471	4.86998
8 h after light	4.628145	4.61782	4.63847
12 h after light	4.76848	3.74048	5.79648
4 h after dark	6.67673	5.00074	8.35272
8 h after dark	4.43488	3.15649	5.71327
12 h after dark	6.442005	5.94489	6.93912