condition	mean	min	max
4 h after light	5.489895	4.76526	6.21453
8 h after light	6.75438	6.69669	6.81207
12 h after light	7.679475	7.10309	8.25586
4 h after dark	9.49406	9.10639	9.88173
8 h after dark	7.53716	7.47461	7.59971
12 h after dark	7.94681	7.85421	8.03941