condition	mean	min	max
4 h after light	7.881834	7.703	8.060668
8 h after light	8.783138	8.584257	8.982019
12 h after light	7.772875	7.240387	8.305363
4 h after dark	8.5126545	8.060668	8.964641
8 h after dark	9.494954	8.060668	10.92924
12 h after dark	7.249445	7.249445	7.249445