condition	mean	min	max
4 h after light	2.7950150000000002	2.37445	3.21558
8 h after light	2.5295300000000003	2.27204	2.78702
12 h after light	2.387455	1.96305	2.81186
4 h after dark	2.5364050000000002	1.96834	3.10447
8 h after dark	2.34039	2.1203	2.56048
12 h after dark	2.87488	2.68653	3.06323