condition	mean	min	max
0 h after light	9.225605	7.85511	10.5961
4 h after light	7.64428	7.55765	7.73091
8 h after light	6.79106	5.82454	7.75758
4 h after dark	9.906925000000001	9.36605	10.4478
8 h after dark	8.070775	7.72252	8.41903
12 h after dark	11.19815	11.1795	11.2168