condition	mean	min	max
4 h after light	5.731335	5.07767	6.385
8 h after light	5.22805	4.34243	6.11367
12 h after light	3.4604150000000002	3.34913	3.5717
4 h after dark	4.140433333333333	3.61007	4.9809
8 h after dark	4.785496666666667	4.64994	4.89485
12 h after dark	5.30297	4.19618	5.87495