condition	mean	min	max
4 h after light	4.08706	3.42625	4.74787
8 h after light	4.964535	4.68354	5.24553
12 h after light	6.792675	6.60944	6.97591
4 h after dark	7.01959	6.84389	7.19529
8 h after dark	5.030095	4.69744	5.36275
12 h after dark	5.321035	4.54292	6.09915