condition	mean	min	max
4 h after light	6.231145	6.17751	6.28478
8 h after light	10.17247	9.44654	10.8984
12 h after light	3.258495	2.96521	3.55178
4 h after dark	2.7233	2.60391	2.88657
8 h after dark	3.1827833333333335	2.83855	3.60489
12 h after dark	4.387646666666667	3.74575	4.78168