condition	mean	min	max
4 h after light	2.18404	1.77749	2.59059
8 h after light	3.464735	3.37922	3.55025
12 h after light	4.77356	4.77231	4.77481
4 h after dark	4.20241	4.02821	4.37661
8 h after dark	2.912875	2.77116	3.05459
12 h after dark	2.805905	2.68116	2.93065