condition	mean	min	max
4 h after light	6.17084	2.83899	10.7232
8 h after light	4.31072	0.92696	8.491
12 h after light	5.205256666666667	1.93729	8.22757
4 h after dark	7.890876666666666	5.73707	10.0414
8 h after dark	6.482279999999999	4.19682	10.2319
12 h after dark	5.832943333333334	4.24768	6.79462