condition	mean	min	max
0 h after light	5.297395	4.37947	6.21532
4 h after light	3.5360549999999997	2.82616	4.24595
8 h after light	4.471805	4.18838	4.75523
4 h after dark	6.17751	6.02167	6.33335
8 h after dark	4.873285	4.74455	5.00202
12 h after dark	5.38449	4.13571	6.63327