condition	mean	min	max
0 h after light	6.46605	6.19859	6.73351
4 h after light	7.213495	6.63888	7.78811
8 h after light	5.74436	5.18704	6.30168
4 h after dark	5.73256	4.82582	6.6393
8 h after dark	6.38321	4.88011	7.88631
12 h after dark	8.271075	8.00026	8.54189