condition	mean	min	max
4 h after light	3.5435800000000004	3.03938	4.04778
8 h after light	5.177275	4.71775	5.6368
12 h after light	6.436545	5.97594	6.89715
4 h after dark	6.8628100000000005	5.99049	8.27274
8 h after dark	7.412176666666666	6.76111	8.68779
12 h after dark	5.12327	4.63579	5.68587