condition	mean	min	max
4 h after light	8.405835	7.66625	9.14542
8 h after light	4.577005	3.55954	5.59447
12 h after light	4.936165000000001	4.68477	5.18756
4 h after dark	8.2363	7.46541	8.71719
8 h after dark	8.200833333333334	7.8615	8.44753
12 h after dark	10.4577	9.273	11.1842