condition	mean	min	max
4 h after light	2.3285	2.20859	2.44841
8 h after light	2.711495	2.52471	2.89828
12 h after light	2.71033	2.33719	3.08347
4 h after dark	3.871015	2.92935	4.81268
8 h after dark	5.227925	3.76236	6.69349
12 h after dark	3.133895	3.03863	3.22916