condition	mean	min	max
0 h after light	6.111395	5.9809	6.24189
4 h after light	6.05494	6.01514	6.09474
8 h after light	8.420445	8.26041	8.58048
4 h after dark	7.88191	6.15029	9.61353
8 h after dark	9.241620000000001	8.33464	10.1486
12 h after dark	5.351324999999999	5.24961	5.45304