condition	mean	min	max
0 h after light	9.72712	9.37104	10.0832
4 h after light	6.32291	5.57293	7.07289
8 h after light	7.933275	7.77264	8.09391
4 h after dark	8.710145	8.32703	9.09326
8 h after dark	7.670864999999999	6.8449	8.49683
12 h after dark	8.11125	7.50775	8.71475