condition	mean	min	max
2 h after light	6.482415	5.53334	7.70311
6 h after light	7.549816666666667	5.91286	10.6422
10 h after light	9.160898333333334	8.35587	10.7553
14 h after light	9.489136666666667	6.2754	12.3177
18 h after light	8.5701	5.85191	11.5888
2 h after dark	8.256945	6.98518	10.8004