condition	mean	min	max
4 h after light	6.042306666666667	3.76869	9.26656
8 h after light	2.541663	0.884299	3.44855
12 h after light	3.20397	1.97477	4.0639
4 h after dark	5.382743333333333	4.8295	6.44522
8 h after dark	6.050563333333334	4.88137	6.91348
12 h after dark	5.27023	5.03492	5.64146