condition	mean	min	max
0 h after light	9.293225	9.09597	9.49048
4 h after light	6.370455	5.86497	6.87594
8 h after light	4.32166	4.24726	4.39606
4 h after dark	11.027709999999999	9.79592	12.2595
8 h after dark	12.1761	11.9515	12.4007
12 h after dark	10.282035	9.19097	11.3731