condition	mean	min	max
4 h after light	1.1196000000000002	1.02204	1.21716
8 h after light	0.74457	0.690954	0.798186
12 h after light	0.6437045	0.426322	0.861087
4 h after dark	0.4259293333333333	0.183779	0.656354
8 h after dark	0.8865473333333334	0.778854	0.97222
12 h after dark	0.7922763333333332	0.430461	1.01161