condition	mean	min	max
0 h after light	5.427715	4.68381	6.17162
4 h after light	3.7525649999999997	3.50341	4.00172
8 h after light	8.5203	7.2342	9.8064
4 h after dark	9.204125	8.08175	10.3265
8 h after dark	7.67882	6.99923	8.35841
12 h after dark	4.419365	3.17505	5.66368