condition	mean	min	max
4 h after light	9.4926	7.8448	11.1404
8 h after light	6.91976	5.70579	8.13373
12 h after light	10.51635	10.1698	10.8629
4 h after dark	11.22935	10.5062	11.9525
8 h after dark	13.9805	13.4166	14.5444
12 h after dark	12.16475	11.6657	12.6638