condition	mean	min	max
4 h after light	5.756253333333333	3.70562	6.97002
8 h after light	4.52416	1.23131	6.74421
12 h after light	5.58615	3.28895	8.28281
4 h after dark	8.55204	6.38667	10.3937
8 h after dark	9.191763333333334	6.21714	12.465
12 h after dark	6.821163333333333	5.66923	8.29469