condition	mean	min	max
0 h after light	5.36068	5.05625	5.66511
4 h after light	3.6079299999999996	3.14854	4.06732
8 h after light	2.50062	2.30259	2.69865
4 h after dark	3.961755	3.52839	4.39512
8 h after dark	4.506575	4.36099	4.65216
12 h after dark	5.530329999999999	4.54951	6.51115