condition	mean	min	max
4 h after light	6.5342	5.22516	7.61827
8 h after light	7.224853333333333	2.2775	10.1806
12 h after light	9.91634	5.20545	14.8592
4 h after dark	13.22418	9.20944	15.5691
8 h after dark	11.9301	10.2143	14.1604
12 h after dark	9.775986666666666	8.64171	11.8366