condition	mean	min	max
4 h after light	9.7264015	8.071133	11.38167
8 h after light	8.462773	8.387326	8.53822
12 h after light	7.740806	7.503826	7.977786
4 h after dark	7.598257	7.367451	7.829063
8 h after dark	7.8316655	7.332871	8.33046
12 h after dark	8.493837	8.493837	8.493837