condition	mean	min	max
0 h after light	5.087755	4.70748	5.46803
4 h after light	5.3606300000000005	4.80152	5.91974
8 h after light	6.173945	6.086	6.26189
4 h after dark	8.57766	7.6359	9.51942
8 h after dark	6.884125	6.27927	7.48898
12 h after dark	5.14246	4.69278	5.59214