condition	mean	min	max
0 h after light	6.7259150000000005	6.15834	7.29349
4 h after light	5.31818	4.88357	5.75279
8 h after light	3.70263	3.07579	4.32947
4 h after dark	11.127130000000001	9.92606	12.3282
8 h after dark	10.05056	9.23552	10.8656
12 h after dark	5.598345	4.68237	6.51432