condition	mean	min	max
4 h after light	2.32991	2.20859	2.45123
8 h after light	2.29559	2.23709	2.35409
12 h after light	2.345225	2.29281	2.39764
4 h after dark	2.5880900000000002	2.42259	2.75359
8 h after dark	2.34628	2.32018	2.37238
12 h after dark	2.191	2.14587	2.23613