condition	mean	min	max
0 h after light	6.87266	6.65307	7.09225
4 h after light	10.477	10.1161	10.8379
8 h after light	15.05585	14.9413	15.1704
4 h after dark	16.09755	15.7493	16.4458
8 h after dark	12.5994	12.1084	13.0904
12 h after dark	10.27423	9.21556	11.3329