condition	mean	min	max
4 h after light	1.360384	0.352832	2.50116
8 h after light	1.5770856666666666	0.397137	2.66748
12 h after light	1.9513233333333333	1.04723	3.32593
4 h after dark	1.67188	1.42177	1.98714
8 h after dark	0.928307	0.449433	1.51759
12 h after dark	0.8117583333333334	0.619631	1.18933