condition	mean	min	max
3 h after light	8.291335	3.82345	13.3551
7 h after light	8.5968375	4.16296	11.8981
11 h after light	9.960490833333333	6.05916	14.6106
2 h after dark	10.56232	6.30497	17.6309
6 h after dark	9.3214225	5.79346	11.894
10 h after dark	9.829915833333333	4.4576	16.5304