condition	mean	min	max
4 h after light	1.53165	1.186	1.8773
8 h after light	2.192875	1.86911	2.51664
12 h after light	2.67891	2.20741	3.15041
4 h after dark	3.23681	2.93071	3.54291
8 h after dark	4.536355	3.7121	5.36061
12 h after dark	2.10394	1.97605	2.23183