condition	mean	min	max
4 h after light	7.405125	6.70033	8.10992
8 h after light	2.8871700000000002	2.87106	2.90328
12 h after light	1.951075	1.92531	1.97684
4 h after dark	2.6503666666666668	2.37467	2.93949
8 h after dark	2.6021033333333334	2.24579	2.91122
12 h after dark	5.93717	5.37605	6.99324